BCM384P120x1K5AC1 Datasheet by Vicor Corporation

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M VICOR w: *‘ cflusl@CE VICI-IIP High Performance Power Mada/c:
BCM®Bus Converter Rev 1.4 vicorpower.com
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BCM®Bus Converter
Fixed Ratio DC-DC Converter
BCM384y120x1K5AC1
Features
Up to 1500 W continuous output power
2208 W/in3power density
97.4 % peak efficiency
4242 Vdc isolation
Parallel operation for multi-kW arrays
OV, OC, UV, short circuit and thermal protection
2361 through-hole ChiP package
n 2.402 ” x 0.990 ” x 0.286
( 61.00 mm x 25.14 mm x 7.26 mm)
PMBusTM management interface*
Typical Applications
380 DC Power Distribution
High End Computing Systems
Automated Test Equipment
Industrial Systems
High Density Power Supplies
Communications Systems
Transportation
Product Description
The VI Chip®Bus Converter (BCM) is a high efficiency Sine
Amplitude Converter (SAC), operating from a 260 to 410 VDC
primary bus to deliver an isolated ratiometric output from
8.1 to 12.8 VDC.
The BCM384y120x1K5AC1 offers low noise, fast transient
response, and industry leading efficiency and power density. In
addition, it provides an AC impedance beyond the bandwidth
of most downstream regulators, allowing input capacitance
normally located at the input of a POL regulator to be located at
the input of the BCM module. With a K factor of 1/32 , that
capacitance value can be reduced by a factor of 1024 x, resulting
in savings of board area, material and total system cost.
The BCM384y120x1K5AC1 , combined with the D44TL1A0
Digital Supervisor and I13TL1A0 Digital Isolator, provide a
secondary referenced PMBus™ compatible telemetry and
control interface. This interface provides access to the BCM’s
internal controller configuration, fault monitoring, and other
telemetry functions.
Leveraging the thermal and density benefits of Vicor’s ChiP
packaging technology, the BCM module offers flexible thermal
management options with very low top and bottom side
thermal impedances. Thermally-adept ChiP-based power
components, enable customers to achieve low cost power
system solutions with previously unattainable system size,
weight and efficiency attributes, quickly and predictably.
Product Ratings
VIN = 384 V ( 260 – 410 V) POUT = up to 1500 W
VOUT = 12 V ( 8.1 – 12.8 V)
(NO LOAD)K = 1/32
*When used with D44TL1A0 and I13TL1A0 chipset
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NRTL
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BCM384y120x1K5AC1
Typical Application
BCM384y120x1K5AC1 at point of load
BCM
SER-IN
EN
+IN
–IN
+OUT
–OUT
enable/disable
switch
FUSE
ISOLATION BOUNDRY
PRIMARY SECONDARY
SER-OUT
CI_BCM_ELEC
SOURCE_RTN
VIN
PRI_OUT_A
PRI_COM
SEC_IN_A
SEC_OUT_C
Digital Isolator
VDDB
VDD
TXD
RXD
PMBus
SGND
t
Host μC
SEC_COM PMBus
SGND
+
VEXT
PRI_IN_C
SEC_IN_BPRI_OUT_B
NC
SGND
SGND
SGND
SER-OUT
SER-IN
SER-IN
SER-OUT
POL
Digital
Supervisor
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BCM384y120x1K5AC1
12
A
B
C
D
E
F
G
H
+IN
+OUT
TOP VIEW
2361 ChiP Package
I
-OUT
-OUT
+OUT
+OUT
-OUT
+OUT
-OUT
+IN J
+IN K
+IN L
A’
B’
C’
D’
E’
F’
G’
H’
I’
J’
K’
L’
+OUT
-OUT
-OUT
+OUT
+OUT
-OUT
+OUT
-OUT
-IN
SER-OUT
EN
SER-IN
Pin Configuration
Pin Descriptions
Pin Number Signal Name Type Function
I1, J1, K1, L1 +IN INPUT POWER Positive input power terminal
I’2 SER-OUT OUTPUT UART transmit pin; Primary side referenced signals
J’2 EN INPUT Enables and disables power supply; Primary side referenced signals
K’2 SER-IN INPUT UART receive pin; Primary side referenced signals
L’1 -IN INPUT POWER
RETURN Negative input power terminal
A1, D1, E1,
H1, A’2, D’2,
E’2, H’2
+OUT OUTPUT POWER Positive output power terminal
B1, C1, F1,
G1, B’2, C’2,
F’2, G’2
-OUT OUTPUT POWER
RETURN Negative output power terminal
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BCM384y120x1K5AC1
Absolute Maximum Ratings
The absolute maximum ratings below are stress ratings only. Operation at or beyond these maximum ratings can cause permanent damage to the device.
Parameter Comments Min Max Unit
+IN to –IN -1 480 V
VIN slew rate (operational) 1000 V/ms
Isolation voltage, input to output Dielectric test applied to 100% production units 4242 V
+OUT to –OUT -1 15 V
SER-OUT to –IN -0.3 4.6 V
EN to –IN -0.3 5.5 V
SER-IN to –IN -0.3 4.6 V
Part Ordering Information
Device Input Voltage
Range Package Type Output
Voltage x 10
Temperature
Grade
Output
Power Revision Package
Size Version
BCM 384 y 120 x 1K5 A C 1
BCM = BCM 384 = 260 to 410 V P = ChiP Through Hole 120 = 12 V T = -40 to 125°C
M = -55 to 125°C 1K5 = 1,500 W A C = 2361 1
Standard Models
All products shipped in JEDEC standard high profile (0.400” thick) trays (JEDEC Publication 95, Design Guide 4.10).
Part Number VIN Package Type VOUT Temperature Power Package Size
BCM 384 P 120 T 1K5 AC1 260 to 410 V ChiP Through Hole 12 V
8.1 to 12.8 V -40°C to 125°C 1,500 W 2361
BCM 384 P 120 M 1K5 AC1 260 to 410 V ChiP Through Hole 12 V
8.1 to 12.8 V -55°C to 125°C 1,500 W 2361
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BCM384y120x1K5AC1
Electrical Specifications
Specifications apply over all line and load conditions, unless otherwise noted; Boldface specifications apply over the temperature range of -40 °C TINTERNAL
125 °C (T-Grade); All other specifications are at TINTERNAL = 25 ºC unless otherwise noted.
Attribute Symbol Conditions / Notes Min Typ Max Unit
Powertrain
Input voltage range, continuous VIN_DC 260 410 V
Input voltage range, transient VIN_TRANS Full current or power supported, 50 ms max,
260 410 V
10% duty cycle max
VIN µController Active VµC_ACTIVE
VIN voltage where µC is initialized,
130 V
(ie VAUX = Low, powertrain inactive)
Input Voltage Slew Rate dVIN/dt VIN_UVLO- VIN VIN_OVLO+
0.001 1000 V/ms
Quiescent current IQDisabled, EN Low, VIN = 384 V 2 mA
TINTERNAL 100ºC 4
No load power dissipation PNL
VIN = 384 V, TINTERNAL = 25 ºC 11 17
W
VIN = 384 V 5.9 25
VIN = 260 V to 410 V, TINTERNAL = 25 ºC 19
VIN = 260 V to 410 V 27
Inrush current peak IINR_P
VIN = 410 V, COUT = 1000 µF,
10
RLOAD = 25% of full load current A
TINTERNAL 100ºC 15
DC input current IIN_DC At POUT= 1500 W, TINTERNAL 100ºC 4.1 A
Transformation ratio K K = VOUT/V
IN, at no load 1/32 V/V
Output power (continuous) POUT_DC 1500 W
Output power (pulsed) POUT_PULSE 10 ms pulse, 25% Duty cycle, PTOTAL = % rated POUT_DC 2000 W
Output current (continuous) IOUT_DC 125 A
Output current (pulsed) IOUT_PULSE 10 ms pulse, 25% Duty cycle, ITOTAL =
% rated IOUT_DC 167 A
VIN = 384 V, IOUT = 125 A 96.2 97
Efficiency (ambient) hAMB VIN = 260 V to 410 V, IOUT = 125 A 95.2 %
VIN = 384 V, IOUT = 62.5 A 96.5 97.4
Efficiency (hot) hHOT VIN = 384 V, IOUT = 125 A, TINTERNAL = 100 °C 95.8 97 %
Efficiency (over load range) h20% 25 A < IOUT < 125 A, TINTERNAL 100ºC 90 %
ROUT_COLD VIN = 384 V, IOUT = 125 A, TINTERNAL = -40 °C 1.10 1.50 1.80
Output resistance ROUT_AMB VIN = 384 V, IOUT = 125 A 1.50 1.85 2.30 mΩ
ROUT_HOT VIN = 384 V, IOUT = 125 A, TINTERNAL = 100 °C 1.80 2.30 2.70
Switching frequency FSW Frequency of the Output Voltage Ripple = 2x FSW 0.95 1.00 1.05 MHz
COUT = 0 F, IOUT = 125 A, VIN = 384 V,
195
Output voltage ripple VOUT_PP 20 MHz BW mV
TINTERNAL 100ºC 250
Input inductance (parasitic) LIN_PAR Frequency 2.5 MHz (double switching frequency), 7 nH
Simulated lead model
Output inductance (parasitic) LOUT_PAR Frequency 2.5 MHz (double switching frequency),
0.64 nH
Simulated lead model
Input Series inductance (internal) LIN_INT
Reduces the need for input decoupling
0.56 µH
inductance in BCM arrays
Effective Input capacitance (internal) CIN_INT Effective value at 384 VIN 0.37 µF
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BCM384y120x1K5AC1
Attribute Symbol Conditions / Notes Min Typ Max Unit
Powertrain (Cont.)
Effective Output capacitance (internal) COUT_INT Effective value at 12 VOUT 208 µF
Effective Output capacitance (external) COUT_EXT Excessive capacitance may drive module into
0 1000 µF
SC protection
Array Maximum external output COUT_AEXT COUT_AEXT Max = N * 0.5*COUT_EXT Max
capacitance
Powertrain Protection
Startup into a persistent fault condition.
292.5 357.5 ms
Auto Restart Time tAUTO_RESTART Non-Latching fault detection given VIN > VIN_UVLO+,
Module will ignore attempts to re-enable during time off
Input overvoltage lockout threshold VIN_OVLO+ 430 440 450 V
Input overvoltage recovery threshold VIN_OVLO- 410 430 440 V
Input overvoltage lockout hysteresis VIN_OVLO_HYST 10 V
Overvoltage lockout response time tOVLO 100 µs
Soft-Start time tSOFT-START
From powertrain active
1 ms
Fast Current limit protection disabled during Soft-Start
Output overcurrent trip threshold IOCP 135 170 210 A
Overcurrent Response Time Constant tOCP Effective internal RC filter 3.0 ms
Short circuit protection trip threshold ISCP 187 A
Short circuit protection response time tSCP 1 µs
Overtemperature shutdown threshold tOTP Temperature sensor located inside controller IC 125 ºC
Powertrain Supervisory Limits
Input overvoltage lockout threshold VIN_OVLO+
420
434.5
450 V
Input overvoltage recovery threshold VIN_OVLO-
405
424
440 V
Input overvoltage lockout hysteresis VIN_OVLO_HYST
10.5 V
Overvoltage lockout response time tOVLO
100 µs
Input undervoltage lockout threshold VIN_UVLO-
200
226
250 V
Input undervoltage recovery threshold VIN_UVLO+
225
244
259 V
Input undervoltage lockout hysteresis VIN_UVLO_HYST
15 V
Undervoltage lockout response time tUVLO
100 µs
From VIN = VIN_UVLO+ to powertrain active,
Undervoltage startup delay tUVLO+_DELAY EN floating, (i.e One time Startup delay from 20 ms
application of VIN to VOUT)
Output Overcurrent Trip Threshold IOCP
159 168 177 A
Overcurrent Response Time Constant tOCP
2 ms
Overtemperature shutdown threshold tOTP Temperature sensor located inside controller IC 125 ºC
Undertemperature shutdown threshold tUTP Temperature sensor located inside controller IC -45 ºC
Undertemperature restart time tUTP_RESTART
Startup into a persistent fault condition. Non-Latching
3 s
fault detection given VIN > VIN_UVLO+
Electrical Specifications (Cont.)
Specifications apply over all line and load conditions, unless otherwise noted; Boldface specifications apply over the temperature range of -40 °C TINTERNAL
125 °C (T-Grade); All other specifications are at TINTERNAL = 25 ºC unless otherwise noted.
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BCM384y120x1K5AC1
65
80
95
110
125
140
155
170
185
260275290305320335350365380395410
Output Current (A)
Input Voltage (V)
I (ave) I (pk), t < 10 ms
Output Power (W)
Input Voltage (V)
750
900
1050
1200
1350
1500
1650
1800
1950
2100
260275290305320335350365380395410
P (ave) P (pk), t < 10 ms
Figure 1 — Specified thermal operating area
Figure 2 — Specified electrical operating area using rated ROUT_HOT
Output Capacitance
(% Rated COUT MAX)
Load Current (% I
OUT_AVG
)
0
10
20
30
40
50
60
70
80
90
100
110
0 10 20 30 40 50 60 70 80 90 100 110
Output Power (W)
Case Temperature (°C)
0
200
400
600
800
1000
1200
1400
1600
1800
35 45 55 65 75 85 95 105 115 125
Top only at temperature
Leads at temperature
Top and leads at
temperature
Top, leads, & belly at
temperature
Figure 3 — Specified Primary start-up into load current and external capacitance
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BCM384y120x1K5AC1
Reported Characteristics
Specifications apply over all line, load conditions, unless otherwise noted; Boldface specifications apply over the temperature range of -40 °C TINTERNAL
125 °C (T-Grade); All other specifications are at TINTERNAL = 25 ºC unless otherwise noted.
Monitored Telemetry
The BCM communication version is not intended to be used without a Digital Supervisor.
ATTRIBUTE DIGITAL SUPERVISOR
PMBusTM READ COMMAND
ACCURACY
(RATED RANGE)
FUNCTIONAL
REPORTING RANGE
UPDATE
RATE REPORTED UNITS
Input voltage (88h) READ_VIN ± 5% ( LL - HL ) 130 V to 450 V 100 µs VACTUAL = VREPORTED x 10-1
Input current (89h) READ_IIN ± 5% ( 10 - 133% of FL) - 0.85 A to 5.9 A 100 µs IACTUAL = IREPORTED x 10-3
Output voltage[1] (8Bh) READ_VOUT ± 5% ( LL - HL ) 4.25 V to 14 V 100 µs VACTUAL = VREPORTED x 10-1
Output current (8Ch) READ_IOUT ± 5% ( 10 - 133% of FL ) - 27 A to 190 A 100 µs IACTUAL = IREPORTED x 10-2
Output resistance (D4h) READ_ROUT ± 5% ( 50 - 100% of FL) 1.0 mΩ to 3.0 mΩ 100 ms RACTUAL = RREPORTED x 10-5
Temperature[2] (8Dh) READ_TEMPERATURE_1 ± 7°C ( Full Range) - 55ºC to 130ºC 100 ms TACTUAL = TREPORTED
Variable Parameter
Factory setting of all below Thresholds and Warning limits are 100% of listed protection values.
• Variables can be written only when module is disabled either EN pulled low or VIN < VIN_UVLO-.
• Module must remain in a disabled mode for 3 ms after any changes to the below variables allowing ample time to commit changes to EEPROM.
ATTRIBUTE DIGITAL SUPERVISOR
PMBusTM COMMAND [3] CONDITIONS / NOTES ACCURACY
(RATED RANGE)
FUNCTIONAL
REPORTING
RANGE
DEFAULT
VALUE
Input / Output Overvoltage
Protection Limit (55h) VIN_OV_FAULT_LIMIT VIN_OVLO- is automatically 3%
lower than this set point ± 5% ( LL - HL ) 130 V to 435 V 100%
Input / Output Overvoltage
Warning Limit (57h) VIN_OV_WARN_LIMIT ± 5% ( LL - HL ) 130 V to 435 V 100%
Input / Output Undervoltage
Protection Limit (D7h) DISABLE_FAULTS Can only be disabled to a preset
default value ± 5% ( LL - HL ) 130 V or 260 V 100%
Input Overcurrent
Protection Limit (5Bh) IIN_OC_FAULT_LIMIT ± 5% ( 10 - 133% of FL) 0 to 5.25 A 100%
Input Overcurrent
Warning Limit (5Dh) IIN_OC_WARN_LIMIT ± 5% ( 10 - 133% of FL) 0 to 5.25 A 100%
Overtemperature Protection
Limit (4Fh) OT_FAULT_LIMIT ± 7°C ( Full Range) 0 to 125°C 100%
Overtemperature
Warning Limit (51h) OT_WARN_LIMIT ± 7°C ( Full Range) 0 to 125°C 100%
Turn on Delay (60h) TON_DELAY Additional time delay to the
Undervoltage Startup Delay ± 50 µs 0 to 100 ms 0 ms
[3] Refer to Digital Supervisor datasheet for complete list of supported commands.
[1] Default READ Output Voltage returned when unit is disabled = -300 V.
[2] Default READ Temperature returned when unit is disabled = -273°C.
mar Dwgi'al Supervisor, Please see spetific product dam sheet VICHIP High Performame iner Module:
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BCM384y120x1K5AC1
Signal Characteristics
Specifications apply over all line, load conditions, unless otherwise noted; Boldface specifications apply over the temperature range of -40 °C TINTERNAL
125 °C (T-Grade); All other specifications are at TINTERNAL = 25 ºC unless otherwise noted.
UART SER-IN / SER-OUT Pins
Universal Asynchronous Receiver/Transmitter (UART) pins.
• The BCM communication version is not intended to be used without a Digital Supervisor.
• Isolated I2C communication and telemetry is available when using Vicor Digital Isolator and Vicor Digital Supervisor. Please see specific product data sheet
for more details.
• UART SER-IN pin is internally pulled high using a 1.5 kΩ to 3.3 V.
SIGNAL TYPE STATE ATTRIBUTE SYMBOL CONDITIONS / NOTES MIN TYP MAX UNIT
GENERAL I/O
Regular
Operation
Baud Rate BRUART Rate 750 Kbit/s
DIGITAL
INPUT
SER-IN Pin
SER-IN Input Voltage Range
VSER-IN_IH 2.3 V
VSER-IN_IL 1 V
SER-IN rise time tSER-IN_RISE 10% to 90% 400 ns
SER-IN fall time tSER-IN_FALL 10% to 90% 25 ns
SER-IN RPULLUP RSER-IN_PLP Pull up to 3.3 V 1.5 kΩ
SER-IN External Capacitance CSER-IN_EXT 400 pF
DIGITAL
OUTPUT
SER-OUT Pin
SER-OUT Output Voltage
Range
VSER-OUT_OH 0 mA IOH -4 mA 2.8 V
VSER-OUT_OL 0 mA IOL 4 mA 0.5 V
SER-OUT rise time tSER-OUT_RISE 10% to 90% 55 ns
SER-OUT fall time tSER-OUT_FALL 10% to 90% 45 ns
SER-OUT source current ISER-OUT VSER-OUT = 2.8 V 6 mA
SER-OUT output impedance ZSER-OUT 120 Ω
Enable / Disable Control
• The EN pin is a standard analog I/O configured as an input to an internal µC.
• It is internally pulled high to 3.3 V.
• When held low the BCM internal bias will be disabled and the powertrain will be inactive.
• In an array of BCMs, EN pins should be interconnected to synchronize startup and permit startup into full load conditions.
• Enable / disable command will have no effect if the EN pin is disabled.
SIGNAL TYPE STATE ATTRIBUTE SYMBOL CONDITIONS / NOTES MIN TYP MAX UNIT
ANALOG
INPUT
Startup EN to Powertrain active time tEN_START
VIN > VIN_UVLO+,
EN held low both conditions satisfied
for t > tUVLO+_DELAY
250 µs
Regular
Operation
EN Voltage Threshold VENABLE 2.3 V
EN Resistance (Internal) REN_INT Internal pull up resistor 1.5 kΩ
EN Disable Threshold VEN_DISABLE_TH 1 V
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BCM384y120x1K5AC1
BCM Module Timing diagram
EN
+IN
BIDIR
INPUT
VOUT
INPUT VOLTAGE TURN-ON
OUTPUT TURN-ON
INPUT OVER VOLTAGE
INPUT RESTART
ENABLE PULLED LOW
ENABLE PULLED HIGH
SHORT CIRCUIT EVENT
INPUT VOLTAGE TURN-OFF
OUTPUT
EN & SER-IN INTERNAL Pull-up
µc INITIALIZE
VIN_OVLO-
VIN_OVLO+
VIN_UVLO+
VμC
VNOM
VIN_UVLO-
tSCP
tUVLO+_DELAY
tAUTO-RESTART
tWAIT ≥ tENABLE_OFF
STARTUP OVER VOLTAGE ENABLE CONTROL
OVER CURRENT
SHUTDOWN
Appncauan of vm falling edge, P detected lnpul OVLO or UVLO, Oulpul ocp, UTP detected ENABLE falling e or OTP delecle Input OVLO or UVLO, or UTP detected Short Circuit detected VI CH 1/3 High penannams Powsr Mada/ex
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BCM384y120x1K5AC1
FAULT
SEQUENCE
EN High
Powertrain Stopped
VμC < VIN < VIN_UVLO+
VIN > VIN_UVLO+
tUVLO+_DELAY expired
ONE TIME DELAY
INITIAL STARTUP
Fault
Auto-
recovery
ENABLE falling edge,
or OTP detected
Input OVLO or UVLO,
Output OCP,
or UTP detected
ENABLE falling edge,
or OTP detected
Input OVLO or UVLO,
Output OCP,
or UTP detected
Short Circuit detected
Application
of VIN
SUSTAINED
OPERATION
EN High
Powertrain Active
STARTUP SEQUENCE
EN High
Powertrain Stopped
STANDBY SEQUENCE
EN High
Powertrain Stopped
High Level Functional State Diagram
Conditions that cause state transitions are shown along arrows. Sub-sequence activities listed inside the state bubbles.
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BCM384y120x1K5AC1
Application Characteristics
Product is mounted and temperature controlled via top side cold plate, unless otherwise noted. See associated figures for general trend data.
Power Dissipation (W)
Input Voltage (V)
- 40°C 25°C 90°C
TTOP SURFACE CASE:
4
6
8
10
12
14
16
18
20
260277293310327343360377393410
Case Temperature (ºC)
260 V 384 V 410 V
Full Load Efficiency (%)
VIN:
95
96
97
98
-40-200 20406080100
Efficiency (%)
Power Dissipation (W)
Load Current (A)
260 V 384 V 410 V
VIN :
0
8
16
24
32
40
48
56
64
72
80
88
87
88
89
90
91
92
93
94
95
96
97
98
0.0 12.525.037.550.062.575.087.5100.0112.5125.0
η
P
D
Figure 4 No load power dissipation vs. VIN Figure 5 Full load efficiency vs. temperature; VIN
Figure 6 Efficiency and power dissipation at TCASE = -40 °C
Efficiency (%)
Power Dissipation (W)
Load Current (A)
260 V 384 V 410 V
VIN :
0
8
16
24
32
40
48
56
64
72
80
88
87
88
89
90
91
92
93
94
95
96
97
98
0.0 12.5 25.0 37.5 50.0 62.5 75.0 87.5 100.0 112.5 125.0
η
P
D
Load Current (A)
260 V 384 V 410 V
VIN :
Efficiency (%)
Power Dissipation (W)
0
8
16
24
32
40
48
56
64
72
80
88
87
88
89
90
91
92
93
94
95
96
97
98
0.0 12.5 25.0 37.5 50.0 62.5 75.0 87.5 100.0 112.5 125.0
η
P
D
Figure 7 Efficiency and power dissipation at TCASE = 25 °C
ROUT (mΩ)
Case Temperature (°C)
125 AIOUT:
0
1
2
3
-40-200 20406080100
Figure 8 Efficiency and power dissipation at TCASE = 90 °C Figure 9 ROUT vs. temperature; Nominal VIN
CH1 1 I 11 11 13 13% V" 145V 15“" - {\Nm \A‘J \CA1 MAW \HM \ ‘ 1 l I CH1 Vow: 50 mV/div Tlmebase: 500 ns/div CH1 mwwmww ‘1 H J- 1 .41"N’U.'11.'u'1\L‘J1‘»\'1'MJ1’1WMM'MWWM‘MWMM‘MMWWW ”CH1 .W'15.41111111141111111111. .mWM1r1,1w1r.1‘mmmmvwmwwmm ’M'u'k‘MWv’Jk'flW CH2 CH2 1 L i 1 1 1 1 CH1 Vow: 400 mV/div CH2 10m: mu A/div Tlrnebase: 10 usldiv CH1 Vow: 400 mV/div Tlmebase: 10 us/div CH2 10m: 100 Aldiv CHI IF CH2 ,/ CH1 ‘ CH2 F _ CH3 d _._.__.....___.. CH4 1L_____._._ CH4 CH1 vw: 200 V/div CH3 VAUX: 2 V/div Timebase: 5 ms/div CH2 vow: 1o V/div CH4 EN: 2 V/dw CH1 EN: 2V/div CH2 vow: 1o V/dw CH3 VAUX: 2 V/dw T1mebase: 500 ps/dw CH4 1W: 2 ANN VI CH 1/3 High penannams Powsr Mada/ex
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BCM384y120x1K5AC1
Figure 12 0 A– 125 A transient response:
CIN = 10 µF, no external COUT
Figure 11 — Full load ripple, 10 µF CIN; No external COUT.Board
mounted module, scope setting : 20 MHz analog BW
Voltage Ripple (mVPK-PK)
Load Current (A)
384 V
VIN:
0
50
100
150
200
250
300
350
0.0 12.525.037.550.062.575.087.5100.0112.5125.0
Figure 10 VRIPPLE vs. IOUT ; No external COUT.Board mounted
module, scope setting : 20 MHz analog BW
Figure 13 125 A – 0 A transient response:
CIN = 10 µF, no external COUT
Figure 14 Start up from application of VIN = 384 V, 50% IOUT,
100% COUT
Figure 15 Start up from application of EN with pre-applied
VIN = 384 V, 50% IOUT, 100% COUT
VlCI-IIF' High Performante Puwer Modulex
BCM®Bus Converter Rev 1.4 vicorpower.com
Page 14 of 23 05/2015 800 927.9474
BCM384y120x1K5AC1
General Characteristics
Specifications apply over all line, load conditions, unless otherwise noted; Boldface specifications apply over the temperature range of -40 °C TINTERNAL
125 °C (T-Grade); All other specifications are at TINTERNAL = 25 ºC unless otherwise noted.
Human Body Model,
"ESDA / JEDEC JDS-001-2012" Class I-C (1kV to < 2 kV)
Charge Device Model,
"JESD 22-C101-E" Class II (200V to < 500V)
Attribute Symbol Conditions / Notes Min Typ Max Unit
Mechanical
Length L 60.87 / [2.396] 61.00 / [2.402] 61.13 / [2.407] mm / [in]
Width W 24.76 / [0.975] 25.14 / [0.990] 25.52 / [1.005] mm / [in]
Height H 7.21 / [0.284] 7.26 / [0.286] 7.31 / [0.288] mm / [in]
Volume Vol Without heatsink 11.13 / [0.679] cm3/ [in3]
Weight W 41 / [1.45] g / [oz]
Nickel 0.51 2.03
Lead finish Palladium 0.02 0.15 µm
Gold 0.003 0.051
Thermal
Operating temperature TINTERNAL
BCM384P120T1K5AC1 (T-Grade)
-40 125 °C
BCM384P120M1K5AC1 (M-Grade)
-55 125 °C
Thermal resistance top side fINT-TOP
Estimated thermal resistance to
1.14 °C/W
maximum temperature internal
component from isothermal top
Thermal resistance leads fINT-LEADS
Estimated thermal resistance to
1.35 °C/W
maximum temperature internal
component from isothermal leads
Thermal resistance bottom side fINT-BOTTOM
Estimated thermal resistance to
1.07 °C/W
maximum temperature internal
component from isothermal bottom
Thermal capacity 34 Ws /°C
Assembly
Storage Temperature TST
BCM384P120T1K5AC1 (T-Grade) -55 125 °C
BCM384P120M1K5AC1 (M-Grade) -65 125 °C
ESDHBM
ESD Withstand
ESDCDM
VICHIP High Performame Pawer Module;
BCM®Bus Converter Rev 1.4 vicorpower.com
Page 15 of 23 05/2015 800 927.9474
BCM384y120x1K5AC1
Telcordia Issue 2 - Method I Case III;
25°C Ground Benign, Controlled
MIL-HDBK-217Plus Parts Count -
25°C Ground Benign, Stationary,
Indoors / Computer
General Characteristics (Cont.)
Specifications apply over all line, load conditions, unless otherwise noted; Boldface specifications apply over the temperature range of -40 °C TINTERNAL
125 °C (T-Grade); All other specifications are at TINTERNAL = 25 ºC unless otherwise noted.
Attribute Symbol Conditions / Notes Min Typ Max Unit
Soldering [1]
Peak temperature Top case 135 °C
Safety
IN to OUT 4,242
Isolation voltage VHIPOT IN to CASE 2,121 VDC
OUT to CASE 2,121
Isolation capacitance CIN_OUT Unpowered unit 620 780 940 pF
Isolation resistance RIN_OUT At 500 Vdc 10 MΩ
MTBF 2.31 MHrs
3.41 MHrs
cTUVus "EN 60950-1"
Agency approvals / standards cURus "UL 60950-1"
CE Marked for Low Voltage Directive and RoHS Recast Directive, as applicable
[1] Product is not intended for reflow solder attach.
name Powsr Module; VI C H l P High perm
BCM®Bus Converter Rev 1.4 vicorpower.com
Page 16 of 23 05/2015 800 927.9474
BCM384y120x1K5AC1
C01
C02
Q01
C03
C04
C05
C06
C07
C08
C09
C10
L01
Current Flow detection
+ Forward IIN sense
IIN
Startup
Circuit
+VIN /4
SEPIC EN
Cr
COUT
+VOUT
-VOUT
+VIN
-VIN
EN
SER-OUT
SER-OUT
EN
SER-IN
Differential Current
Sensing
Full-Bridge Synchronous
Rectification
Primary Stage
Fast Current
Limit
Analog Controller
Digital Controller
SEPIC
Cntrl On/Off
Temperature
Sensor
Q02
Q03
Q04
Q05
Q06
Q07
Q08
Lr
Secondary Stage
Q09
+Vcc
-Vcc
3.3v
Linear
Regulator
+VIN /4
( +VIN /4 ) - X
Slow Current
Limit
Modulator
Primary and
Secondary Gate
Drive Transformer
1.5 kΩ
1.5 kΩ
Soft-Start
SER-IN
Over-Temp
Under-Temp
Over Voltage
UnderVoltage
Startup /
Re-start Delay
Q10
BCM Module Block Diagram
VI CH 1/3 High penannams Powsr Mada/ex
BCM®Bus Converter Rev 1.4 vicorpower.com
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BCM384y120x1K5AC1
System Diagram
The BCM384y120x1K5AC1 bus converter provides accurate telemetry monitoring and reporting, threshold and warning limits
adjustment, in addition to corresponding status flags.
The BCM internal µC is referenced to primary ground. The Digital Isolator allows UART communication interface with the host Digital
Supervisor at typical speed of 750 KHz across the isolation barrier. One of the advantages of the Digital Isolator is its low power
consumption. Each transmission channel is able to draw its internal bias circuitry directly from the input signal being transmitted to
the output with minimal to no signal distortion.
The Digital Supervisor provides the host system µC with access to an array of up to 4 BCMs. This array is constantly polled for status
by the Digital Supervisor. Direct communication to individual BCM is enabled by a page command. For example, the page (0x00) prior
to a telemetry inquiry points to the Digital Supervisor data and pages (0x01 – 0x04) prior to a telemetry inquiry points to the array of
BCMs connected data. The Digital Supervisor constantly polls the BCM data through the UART interface.
The Digital Supervisor enables the PMBusTM compatible host interface with an operating bus speed of up to 400 kHz. The Digital
Supervisor follows the PMBus command structure and specification.
Please refer to the Digital Supervisor data sheet for more details.
SER-OUT
1DXTNI-RES
RXD1 RXD4
RXD3
RXD2
RXD1
TXD4
TXD3
TXD2
TXD1
NC
NC
SADDR
CN
CN
SGND
SDA
NC
NC
SCL
VDDB
VDD
NC
NC
NC
SSTOP
VDD
10 kΩ
10 kΩ
5V EXT
Digital Isolator
I13TL1A0
Digital
Supervisor
D44TL1A0 Host
μc
PMBus
SDA
SCL
CP
D
Q
SGND
D
Flip-flop
VCC
SD
RD
Q
SCL
SDA
SGND
VDD
3 kΩ3 kΩ
PRI-OUT-A
PRI-OUT-B
PRI-IN-C
PRI-COM
SEC-IN-A
SEC-IN-B
SEC-OUT-C
SEC-COM
BCM EN
74LVC1G74DC
FDG6318P
EN Control
3.3V, at least 20mA
when using 4xDISO
Ref to Digital Isolator
datasheet for more details
R2 R1
-OUT
BCM
-IN BCM
%} [ MG) 1 AgiH/Wa VICHIP High Pellormame Power Module:
BCM®Bus Converter Rev 1.4 vicorpower.com
Page 18 of 23 05/2015 800 927.9474
BCM384y120x1K5AC1
The Sine Amplitude Converter (SAC™) uses a high frequency resonant
tank to move energy from input to output. (The resonant tank is
formed by Cr and leakage inductance Lr in the power transformer
windings as shown in the BCM module Block Diagram). The resonant
LC tank, operated at high frequency, is amplitude modulated as a
function of input voltage and output current. A small amount of
capacitance embedded in the input and output stages of the module is
sufficient for full functionality and is key to achieving high power
density.
The BCM384y120x1K5AC1 SAC can be simplified into the preceeding
model.
At no load:
VOUT = VIN K (1)
K represents the “turns ratio” of the SAC.
Rearranging Eq (1):
K= VOUT (2)
VIN
In the presence of load, VOUT is represented by:
VOUT = VIN K – IOUT ROUT (3)
and IOUT is represented by:
IOUT =IIN –I
Q(4)
K
ROUT represents the impedance of the SAC, and is a function of the
RDSON of the input and output MOSFETs and the winding resistance of
the power transformer. IQrepresents the quiescent current of the SAC
control, gate drive circuitry, and core losses.
The use of DC voltage transformation provides additional interesting
attributes. Assuming that ROUT = 0 Ω and IQ= 0 A, Eq. (3) now becomes
Eq. (1) and is essentially load independent, resistor R is now placed in
series with VIN.
The relationship between VIN and VOUT becomes:
VOUT = (VIN –I
IN RIN) K (5)
Substituting the simplified version of Eq. (4)
(IQis assumed = 0 A) into Eq. (5) yields:
VOUT = VIN K – IOUT RIN K2(6)
+
+
VOUT
COUT
VIN
V•I
K
+
+
CIN
IOUT
RCOUT
IQ
ROUT
RCIN
31 mA
1/32 • IOUT 1/32 • VIN
RCIN
21.5 mΩ
0.124 nH
122 mΩ
208 µF
IQ
LIN_LEADS = 7 nH IOUT
VIN
R
SAC
K = 1/32
Vin
Vout
+
VIN VOUT
RIN
SAC™
K = 1/32
Figure 17 K = 1/32 Sine Amplitude Converter
with series input resistor
Figure 16 BCM module AC model
COUT
LOUT_LEADS = 0.64 nH
LIN_INT = 0.56 µH
CIN
0.37 µF
1.85 mΩ
ROUT
RCOUT
53 µΩ
VOUT
Sine Amplitude Converter™ Point of Load Conversion
our VICHIP High Pellormame Power Module:
BCM®Bus Converter Rev 1.4 vicorpower.com
Page 19 of 23 05/2015 800 927.9474
BCM384y120x1K5AC1
This is similar in form to Eq. (3), where ROUT is used to represent the
characteristic impedance of the SAC™. However, in this case a real R on
the input side of the SAC is effectively scaled by K2with respect
to the output.
Assuming thatR=1Ω,theeffective R as seen from the secondary side is
0.98 mΩ, withK= 1/32 .
A similar exercise should be performed with the addition of a capacitor
or shunt impedance at the input to the SAC. A switch in series with VIN
is added to the circuit. This is depicted in Figure 18.
A change in VIN with the switch closed would result in a change in
capacitor current according to the following equation:
IC(t) = C dVIN (7)
dt
Assume that with the capacitor charged to VIN, the switch is opened
and the capacitor is discharged through the idealized SAC. In this case,
IC=I
OUT K (8)
substituting Eq. (1) and (8) into Eq. (7) reveals:
IOUT =CdVOUT (9)
K2dt
The equation in terms of the output has yielded a K2scaling factor for
C, specified in the denominator of the equation.
A K factor less than unity results in an effectively larger capacitance on
the output when expressed in terms of the input. With a K = 1/32 as
shown in Figure 18, C=1 μF would appear as C= 1024 μF when viewed
from the output.
Low impedance is a key requirement for powering a high-current, low-
voltage load efficiently. A switching regulation stage should have
minimal impedance while simultaneously providing appropriate
filtering for any switched current. The use of a SAC between the
regulation stage and the point of load provides a dual benefit of scaling
down series impedance leading back to the source and scaling up shunt
capacitance or energy storage as a function of its K factor squared.
However, the benefits are not useful if the series impedance of the SAC
is too high. The impedance of the SAC must be low, i.e. well beyond the
crossover frequency of the system.
A solution for keeping the impedance of the SAC low involves
switching at a high frequency. This enables small magnetic components
because magnetizing currents remain low. Small magnetics mean small
path lengths for turns. Use of low loss core material at high frequencies
also reduces core losses.
The two main terms of power loss in the BCM module are:
nNo load power dissipation (PNL): defined as the power
used to power up the module with an enabled powertrain
at no load.
nResistive loss (ROUT): refers to the power loss across
the BCM® module modeled as pure resistive impedance.
PDISSIPATED = PNL + PROUT (10)
Therefore,
POUT = PIN –P
DISSIPATED = PIN –P
NL –P
ROUT (11)
The above relations can be combined to calculate the overall module
efficiency:
h
=POUT =PIN –P
NL –P
ROUT (12)
PIN PIN
=VIN IIN –P
NL –(I
OUT)2ROUT
VIN IIN
=1
(
PNL + (IOUT)2ROUT
)
VIN IIN
C
S
SAC
K = 1/32
Vin
Vout
+
VIN VOUT
C
SAC™
K = 1/32
Figure 18 Sine Amplitude Converter with input capacitor
S
VICHIP High Pellormame Power Module:
BCM®Bus Converter Rev 1.4 vicorpower.com
Page 20 of 23 05/2015 800 927.9474
BCM384y120x1K5AC1
Input and Output Filter Design
A major advantage of SAC™ systems versus conventional PWM
converters is that the transformer based SAC does not require external
filtering to function properly. The resonant LC tank, operated at
extreme high frequency, is amplitude modulated as a function of input
voltage and output current and efficiently transfers charge through the
isolation transformer. A small amount of capacitance embedded in the
input and output stages of the module is sufficient for full functionality
and is key to achieving power density.
This paradigm shift requires system design to carefully evaluate
external filters in order to:
nGuarantee low source impedance:
To take full advantage of the BCM module’s dynamic
response, the impedance presented to its input terminals
must be low from DC to approximately 5 MHz. The
connection of the bus converter module to its power
source should be implemented with minimal distribution
inductance. If the interconnect inductance exceeds
100 nH, the input should be bypassed with a RC damper
to retain low source impedance and stable operation. With
an interconnect inductance of 200 nH, the RC damper
may be as high as 1 μF in series with 0.3 Ω. A single
electrolytic or equivalent low-Q capacitor may be used in
place of the series RC bypass.
nFurther reduce input and/or output voltage ripple without
sacrificing dynamic response:
Given the wide bandwidth of the module, the source
response is generally the limiting factor in the overall
system response. Anomalies in the response of the source
will appear at the output of the module multiplied by its
K factor.
nProtect the module from overvoltage transients imposed
by the system that would exceed maximum ratings and
induce stresses:
The module input/output voltage ranges shall not be
exceeded. An internal overvoltage lockout function
prevents operation outside of the normal operating input
range. Even when disabled, the powertrain is exposed
to the applied voltage and power MOSFETs must
withstand it.
Total load capacitance at the output of the BCM module shall not
exceed the specified maximum. Owing to the wide bandwidth and low
output impedance of the module, low-frequency bypass capacitance
and significant energy storage may be more densely and efficiently
provided by adding capacitance at the input of the module. At
frequencies <500 kHz the module appears as an impedance of ROUT
between the source and load.
Within this frequency range, capacitance at the input appears as
effective capacitance on the output per the relationship
defined in Eq. (13).
COUT =CIN (13)
K2
This enables a reduction in the size and number of capacitors used in a
typical system.
Thermal Considerations
The ChiP package provides a high degree of flexibility in that it presents
three pathways to remove heat from internal power dissipating
components. Heat may be removed from the top surface, the bottom
surface and the leads. The extent to which these three surfaces are
cooled is a key component for determining the maximum power that is
available from a ChiP, as can be seen from Figure 1.
Since the ChiP has a maximum internal temperature rating, it is
necessary to estimate this internal temperature based on a real thermal
solution. Given that there are three pathways to remove heat from the
ChiP, it is helpful to simplify the thermal solution into a roughly
equivalent circuit where power dissipation is modeled as a current
source, isothermal surface temperatures are represented as voltage
sources and the thermal resistances are represented as resistors. Figure
19 shows the “thermal circuit” for a VI Chip® BCM module 2361 in an
application where the top, bottom, and leads are cooled. In this case,
the BCM power dissipation is PDTOTAL and the three surface
temperatures are represented as TCASE_TOP, TCASE_BOTTOM, and TLEADS. This
thermal system can now be very easily analyzed using a SPICE
simulator with simple resistors, voltage sources, and a current source.
The results of the simulation would provide an estimate of heat flow
through the various pathways as well as internal temperature.
Alternatively, equations can be written around this circuit and
analyzed algebraically:
TINT – PD1 • 1.24 = TCASE_TOP
TINT – PD2 • 1.24 = TCASE_BOTTOM
TINT – PD3 • 7 = TLEADS
PDTOTAL = PD1+ PD2+ PD3
Where TINT represents the internal temperature and PD1, PD2, and PD3
represent the heat flow through the top side, bottom side, and leads
respectively.
+
+
+
MAX INTERNAL TEMP
TCASE_BOTTOM(°C) TLEADS(°C) TCASE_TOP(°C)
Power Dissipation (W)
Thermal Resistance Top
Thermal Resistance Bottom Thermal Resistance Leads
+
+
MAX INTERNAL TEMP
TCASE_BOTTOM(°C) TLEADS(°C) TCASE_TOP(°C)
Power Dissipation (W)
Thermal Resistance Top
Thermal Resistance Bottom Thermal Resistance Leads
Figure 19 Double side cooling and leads thermal model
Figure 20 One side cooling and leads thermal model
1.14 °C / W
1.07 °C / W 1.35 °C / W
1.14 °C / W
1.07 °C / W 1.35 °C / W
cc AN:016 Using BCM Bus Converters H gh Power Arrays. VI CH 1/3 High penannams Powsr Mada/ex
BCM®Bus Converter Rev 1.4 vicorpower.com
Page 21 of 23 05/2015 800 927.9474
BCM384y120x1K5AC1
Figure 20 shows a scenario where there is no bottom side cooling. In
this case, the heat flow path to the bottom is left open and the
equations now simplify to:
TINT – PD1 • 1.24 = TCASE_TOP
TINT – PD3 • 7 = TLEADS
PDTOTAL = PD1+ PD3
Figure 21 shows a scenario where there is no bottom side and leads
cooling. In this case, the heat flow path to the bottom is left open and
the equations now simplify to:
TINT – PD1 • 1.24 = TCASE_TOP
PDTOTAL = PD1
Please note that Vicor has a suite of online tools, including a simulator
and thermal estimator which greatly simplify the task of determining
whether or not a BCM thermal configuration is valid for a given
condition. These tools can be found at:
http://www.vicorpower.com/powerbench.
Current Sharing
The performance of the SAC™ topology is based on efficient transfer of
energy through a transformer without the need of closed loop control.
For this reason, the transfer characteristic can be approximated by an
ideal transformer with a positive temperature coefficient series
resistance.
This type of characteristic is close to the impedance characteristic of a
DC power distribution system both in dynamic (AC) behavior and for
steady state (DC) operation.
When multiple BCM modules of a given part number are connected in
an array they will inherently share the load current according to the
equivalent impedance divider that the system implements from the
power source to the point of load.
Some general recommendations to achieve matched array impedances
include:
nDedicate common copper planes within the PCB
to deliver and return the current to the modules.
nProvide as symmetric a PCB layout as possible among modules
nAn input filter is required for an array of BCMs in order to
prevent circulating currents.
For further details see AN:016 Using BCM Bus Converters
in High Power Arrays.
Fuse Selection
In order to provide flexibility in configuring power systems
VI Chip® modules are not internally fused. Input line fusing
of VI Chip products is recommended at system level to provide thermal
protection in case of catastrophic failure.
The fuse shall be selected by closely matching system
requirements with the following characteristics:
nCurrent rating
(usually greater than maximum current of BCM module)
nMaximum voltage rating
(usually greater than the maximum possible input voltage)
nAmbient temperature
nNominal melting I2t
nRecommend fuse: ≤ 5 A Bussmann PC-Tron
Reverse Operation
BCM modules are capable of reverse power operation. Once the unit is
started, energy will be transferred from secondary back to the primary
whenever the secondary voltage exceeds VIN • K. The module will
continue operation in this fashion for as long as no faults occur.
The BCM384y120x1K5AC1 has not been qualified for continuous
operation in a reverse power condition. Furthermore fault protections
which help protect the module in forward operation will not fully
protect the module in reverse operation.
Transient operation in reverse is expected in cases where there is
significant energy storage on the output and transient voltages appear
on the input. Transient reverse power operation of less than 10 ms, 10%
duty cycle is permitted and has been qualified to cover these cases.
BCM
®
1
R
0_1
Z
IN_EQ1
Z
OUT_EQ1
Z
OUT_EQ2
Vout
Z
OUT_EQn
Z
IN_EQ2
Z
IN_EQn
R
0_2
R
0_n
BCM
®
2
BCM
®
n
Load
DC
Vin
+
Figure 22 BCM module array
+
MAX INTERNAL TEMP
TCASE_BOTTOM(°C) TLEADS(°C) TCASE_TOP(°C)
Power Dissipation (W)
Thermal Resistance Top
Thermal Resistance Bottom Thermal Resistance Leads
Figure 21 One side cooling thermal model
1.14 °C / W
1.07 °C / W 1.35 °C / W
*il‘wj m Vuw‘ (mm). 5m) mum: m» Jug, - m m. :c»>L\;~J >5: , mm: mm m m1; m- w > m x A, , m. m m: "3"1“: 4 L «L. A u.“ w; c L VlCI—HP Hygh Per/ammte Power Module:
BCM®Bus Converter Rev 1.4 vicorpower.com
Page 22 of 23 05/2015 800 927.9474
BCM384y120x1K5AC1
BCM Module Through Hole Package Mechanical Drawing and Recommended Land Pattern
SER-OUT
EN
SER-IN
Customer Service: (ustserv@vlcorgower,com Technica‘ Support: appsfivlcorpowerfiom VICI—IIF’ High Performame PowerModules
BCM®Bus Converter Rev 1.4 vicorpower.com
Page 23 of 23 05/2015 800 927.9474
BCM384y120x1K5AC1
Vicor’s comprehensive line of power solutions includes high density AC-DC and DC-DC modules and
accessory components, fully configurable AC-DC and DC-DC power supplies, and complete custom
power systems.
Information furnished by Vicor is believed to be accurate and reliable. However, no responsibility is assumed by Vicor for its use. Vicor makes no
representations or warranties with respect to the accuracy or completeness of the contents of this publication. Vicor reserves the right to make
changes to any products, specifications, and product descriptions at any time without notice. Information published by Vicor has been checked and
is believed to be accurate at the time it was printed; however, Vicor assumes no responsibility for inaccuracies. Testing and other quality controls are
used to the extent Vicor deems necessary to support Vicor’s product warranty. Except where mandated by government requirements, testing of all
parameters of each product is not necessarily performed.
Specifications are subject to change without notice.
Vicor’s Standard Terms and Conditions
All sales are subject to Vicor’s Standard Terms and Conditions of Sale, which are available on Vicor’s webpage or upon request.
Product Warranty
In Vicor’s standard terms and conditions of sale, Vicor warrants that its products are free from non-conformity to its Standard Specifications (the
“Express Limited Warranty”). This warranty is extended only to the original Buyer for the period expiring two (2) years after the date of shipment
and is not transferable.
UNLESS OTHERWISE EXPRESSLY STATED IN A WRITTEN SALES AGREEMENT SIGNED BY A DULY AUTHORIZED VICOR SIGNATORY, VICOR DISCLAIMS
ALL REPRESENTATIONS, LIABILITIES, AND WARRANTIES OF ANY KIND (WHETHER ARISING BY IMPLICATION OR BY OPERATION OF LAW) WITH
RESPECT TO THE PRODUCTS, INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR REPRESENTATIONS AS TO MERCHANTABILITY, FITNESS FOR
PARTICULAR PURPOSE, INFRINGEMENT OF ANY PATENT, COPYRIGHT, OR OTHER INTELLECTUAL PROPERTY RIGHT, OR ANY OTHER MATTER.
This warranty does not extend to products subjected to misuse, accident, or improper application, maintenance, or storage. Vicor shall not be liable
for collateral or consequential damage. Vicor disclaims any and all liability arising out of the application or use of any product or circuit and assumes
no liability for applications assistance or buyer product design. Buyers are responsible for their products and applications using Vicor products and
components. Prior to using or distributing any products that include Vicor components, buyers should provide adequate design, testing and
operating safeguards.
Vicor will repair or replace defective products in accordance with its own best judgment. For service under this warranty, the buyer must contact
Vicor to obtain a Return Material Authorization (RMA) number and shipping instructions. Products returned without prior authorization will be
returned to the buyer. The buyer will pay all charges incurred in returning the product to the factory. Vicor will pay all reshipment charges if the
product was defective within the terms of this warranty.
Life Support Policy
VICOR’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS
PRIOR WRITTEN APPROVAL OF THE CHIEF EXECUTIVE OFFICER AND GENERAL COUNSEL OF VICOR CORPORATION. As used herein, life support
devices or systems are devices which (a) are intended for surgical implant into the body, or (b) support or sustain life and whose failure to perform
when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in a significant injury to the
user. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or system or to affect its safety or effectiveness. Per Vicor Terms and Conditions of Sale, the user of Vicor products
and components in life support applications assumes all risks of such use and indemnifies Vicor against all liability and damages.
Intellectual Property Notice
Vicor and its subsidiaries own Intellectual Property (including issued U.S. and Foreign Patents and pending patent applications) relating to the
products described in this data sheet. No license, whether express, implied, or arising by estoppel or otherwise, to any intellectual property rights is
granted by this document. Interested parties should contact Vicor's Intellectual Property Department.
The products described on this data sheet are protected by the following U.S. Patents Numbers:
5,945,130; 6,403,009; 6,710,257; 6,911,848; 6,930,893; 6,934,166; 6,940,013; 6,969,909; 7,038,917; 7,145,186; 7,166,898; 7,187,263;
7,202,646; 7,361,844; D496,906; D505,114; D506,438; D509,472; and for use under 6,975,098 and 6,984,965.
Vicor Corporation
25 Frontage Road
Andover, MA, USA 01810
Tel: 800-735-6200
Fax: 978-475-6715
email
Customer Service: custserv@vicorpower.com
Technical Support: apps@vicorpower.com

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