TPS7A1601EVM-046 User Guide Datasheet by Texas Instruments

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l TEXAS INSTRUMENTS
User's Guide
SLVU549December 2011
TPS7A1601EVM-046
This users guide describes operational use of theTPS7A1601EVM-046 evaluation module (EVM) as a
reference design for engineering demonstration and evaluation of the TPS7A1601, low-dropout (LDO)
linear regulator. Included in this users guide are setup instructions, a schematic diagram, layout and
thermal guidelines, a bill of materials, and test results.
Contents
1 Introduction .................................................................................................................. 2
2 Setup ......................................................................................................................... 2
2.1 Input/Output Connectors and Jumper Descriptions ........................................................... 2
2.2 Equipment Setup ................................................................................................... 2
3 Operation ..................................................................................................................... 3
4 Test Results ................................................................................................................. 3
4.1 Turnon Sequence .................................................................................................. 3
4.2 Output Load Transient ............................................................................................. 3
4.3 Power Good ........................................................................................................ 4
5 Thermal Guidelines and Layout Recommendations ................................................................... 4
6 Board Layout ................................................................................................................ 5
7 Schematic and Bill of Materials ........................................................................................... 7
7.1 Schematic ........................................................................................................... 7
7.2 Bill of Materials ..................................................................................................... 7
List of Figures
1 Turnon Sequence........................................................................................................... 3
2 Load Step and Transient Response...................................................................................... 4
3 Power Good Operation..................................................................................................... 4
4 Top-Layer Silkscreen....................................................................................................... 5
5 Top-Layer Routing .......................................................................................................... 6
6 Bottom-Layer Routing ...................................................................................................... 6
7 TPS7A1601EVM-046 Schematic ......................................................................................... 7
List of Tables
1 Thermal Resistance, θJA, and Maximum Power Dissipation........................................................... 5
2 TPS7A1601EVM-046 Bill of Materials ................................................................................... 7
PowerPAD is a trademark of Texas Instruments.
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Introduction
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1 Introduction
The Texas Instruments TPS7A1601EVM-046 evaluation module helps design engineers to evaluate the
operation and performance of the TPS7A16xx family of linear regulators for use in their own circuit
applications. This particular EVM configuration contains a single linear regulator with internal thermal and
current-limit shutdowns. The TPS7A1601 also has enable (disable), PG (Power Good), and
user-programmable PG circuitry in an extremely small DGN (MSOP-8) PowerPADpackage. The
regulator, including external components, is capable of delivering up to 100 mA to the load depending on
the input/output power dissipation across the part. The TPS7A16xx does not require an input capacitor,
and the output capacitor only needs to be 2.2 µF (effective minimum) for stability; however, for
conservative design practice accounting for widely varying noise environments and dynamic line/load
conditions, a 1-µF input capacitor and a 0.01-µF feedforward capacitor have been used in the design.
2 Setup
This section describes the jumpers and connectors on the EVM as well as how to properly connect, set
up, and use the TPS7A1601EVM.
2.1 Input/Output Connectors and Jumper Descriptions
2.1.1 J1 VIN
J1 is the input power supply voltage connector. Twist the positive input lead and ground return lead from
the input power supply, and keep them as short as possible to minimize EMI transmission. Add additional
bulk capacitance between J1 and J2 if the supply leads are greater than 6 inches. For example, an
additional 47-µF electrolytic capacitor connected from J1 to ground can improve the transient response of
the TPS7A1601, while eliminating unwanted ringing on the input due to long-wire connections.
2.1.2 J2 GND
J2 is the ground-return connector for the input power supply.
2.1.3 J3 GND
J3 is the output ground-return connector
2.1.4 J4 VOUT
J4 is the regulated output voltage connector.
2.1.5 JP1 EN
SP1 is the output enable. To enable the output, connect a jumper to short the ON pin 1 to the EN center
pin 2. To disable the output, connect a jumper to short EN pin 2 to OFF pin 3.
2.1.6 J5 PG
J5 is Power Good. If a jumper is installed across J5, the PG signal is pulled up to Vout and the signal can
be monitored via TP1 (test point 1). The user can also pull up the signals themselves by connecting
directly to pin 1 of J5. The maximum pullup voltage that can be used on the PG pin is 5.5 V.
2.1.7 J6Input Diode Bypass
The EVM is populated with a 100-V, 300-mA protection diode on the input. This diode can be bypassed by
connecting a jumper across J6.
2.2 Equipment Setup
Turn off the input power supply after verifying that its output voltage is set to greater than 6 V (60 V
maximum). Connect the positive voltage lead from input power supply to VIN at the J1 connector of the
EVM. Connect the ground lead from the input power supply to GND at the J2 connector of the EVM.
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Vin
EN Vout
Iout
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Operation
Connect a 0-A to 100-mA load between an OUT pin at connector J4, and a GND pin at connector J3.
Disable the output by connecting the jumper on JP1 from the EN pin to the OFF pin.
3 Operation
Turn on the input power supply. For initial operation, set the input power supply, VIN J1, to 10 V
Enable the output by reconnecting the jumper on JP1 from the EN pin to the ON pin.
Vary the respective loads and VIN voltages as necessary for test purposes.
4 Test Results
This section provides typical performance waveforms for the TPS7A1601EVM-046 printed-circuit board.
4.1 Turnon Sequence
Figure 1 shows the turnon/off characteristic where VIN is preset to 10 V, the output drives full load, and
the EN turnon is stepped to 10 V (C2, red). The output soft start (C1, yellow) shows a monotonic rise time
of approximately 60 ms. The output voltage start-up ramp is not load dependant.
Figure 1. Turnon Sequence
4.2 Output Load Transient
Figure 2 shows the load transient response (OUT C1, yellow) for a full-load step transient from 10 mA to
100 mA (C4, green). VIN is set at 10 V.
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TEXAS INSTRUMENTS A mm: #1 new) mum) Pamm) w mm) :5 mm) Pa. .. aw m M ax w 1‘" l I A llmn H mm) mum) Pamulm) P4 mot) PS mm) Par van; 7 ssv «rm saw mm A A l I
Iout
Vout
Iout
Vout
PG
EN
Thermal Guidelines and Layout Recommendations
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Figure 2. Load Step and Transient Response
4.3 Power Good
Figure 3 shows the operation of the Power Good (PG) output. Vin (6 V) is present and the chip is enabled
(c1, gold) The PG output (C3, blue) goes HIGH approximately 1.5 ms after Vout (C2, red) goes into
regulation.
Figure 3. Power Good Operation
5 Thermal Guidelines and Layout Recommendations
Thermal management is a key component of design for any power converter and is especially important
when the power dissipation in the LDO regulator is high. Use the following formula to approximate the
maximum power dissipation for the particular ambient temperature:
TJ= TA+ PD× θJA
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i TEXAS INSTRUMENTS U ’znw'fnsnum (.3 '5 mummy» E [51 C) OI [I (j? ’v'lRZ [ _.J WA fl
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Board Layout
Where TJis the junction temperature, TAis the ambient temperature, PDis the power dissipation in the
device (W), and θJA is the thermal resistance from junction to ambient. All temperatures are in degrees
Celsius. The maximum silicon junction temperature, TJ, must not be allowed to exceed 150°C. The layout
design must use copper trace and plane areas effectively, as thermal sinks, in order not to allow TJto
exceed the absolute maximum rating under all temperature conditions and voltage conditions across the
part.
The designer must consider carefully the thermal design of the PCB for optimal performance over
temperature. For this EVM, Figure 5 shows that the PCB top GND plane has six, 6-mil, thermal via
connections to the bottom-side copper GND plane to dissipate heat. The PCB is a two-layer board with
2-oz. copper on top and bottom layers. The DGN package drawing can be found at the Texas Instruments
Web site in the product folder for the TPS7A16xx LDO linear regulator.
Table 1 repeats information from the Dissipation Ratings Table of the TPS7A16xx data sheet for
comparison with the thermal resistance, θJA, calculated for this EVM layout to show the wide variation in
thermal resistances for given copper areas. The High-K value is determined using a standard JEDEC
High-K (2s2p) board having dimensions of 3-inch x 3-inch with 1-oz internal power and ground planes and
2-oz copper traces on top and bottom of the board.
Table 1. Thermal Resistance, θJA, and Maximum Power Dissipation
Max Dissipation without Derating Max Dissipation without Derating
Board Package θJA (TA= 25°C) (TA= 70°C)
High-K DGN 55.09°C/W 1.8 mW 998 mW
TPS7A1601EVM-046 DGN 38.89°C/W 2.57 W 1.41.W
The thermal resistance for the TPS7A1601EVM-046, θJA, is the measured value for this particular layout
scheme. The maximum power dissipation is proportional to the volume of copper volume connected to the
package.
6 Board Layout
Figure 4. Top-Layer Silkscreen
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Board Layout
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Figure 5. Top-Layer Routing
Figure 6. Bottom-Layer Routing
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Schematic and Bill of Materials
7 Schematic and Bill of Materials
7.1 Schematic
Figure 7. TPS7A1601EVM-046 Schematic
7.2 Bill of Materials
Table 2. TPS7A1601EVM-046 Bill of Materials
Count RefDes Value Description Size Part Number MFR
1 C1 1.0uF Capacitor, Ceramic, 100V, X7R, 10% C1206 STD STD
1 C2 0.001uF Capacitor, Ceramic,100V 603 STD STD
1 C3 0.01uF Capacitor, Ceramic, Low Inductance, 50V, X7R, 10% 603 STD STD
1 C4 10.0uF Capacitor, Ceramic, 50V, X7R, 10% 1210 STD STD
1 R1 3.16M Resistor, Chip, 1/16W, 1% 603 STD STD
1 R2 1.0M Resistor, Chip, 1/16W, 1% 603 STD STD
1 R3 100K Resistor, Chip, 1/16W, 1% 603 STD STD
1 D1 1N4148WS0 Diode, Small Signal, 300-mA, 100V SOD-323 1N4148WS Fairchild
2 J5, J8 PEC02SAAN Header, Male 2-pin, 100mil spacing 0.100 inch x 2 PEC02SAAN Sullins
4 J1J4 PEC02SAAN Header, Male 2-pin, 100mil spacing 0.100 inch x 2 PEC02SAAN Sullins
1 JP1 PEC03SAAN Header, Male 3-pin, 100mil spacing 0.100 inch x 3 PEC03SAAN Sullins
1 U1 TPS7A1601DGN IC, 60 V, 5 µA Iq LDO, 100mA Linear Regulator HTSSOP TPS7A1601DGN TI
1 TP1 5000 Test Point, Red, Thru Hole Color Keyed 0.100 x 0.100 inch 5000 Keystone
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Evaluation Board/Kit Important Notice
Texas Instruments (TI) provides the enclosed product(s) under the following conditions:
This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION
PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the
product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are
not intended to be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations,
including product safety and environmental measures typically found in end products that incorporate such semiconductor
components or circuit boards. This evaluation board/kit does not fall within the scope of the European Union directives regarding
electromagnetic compatibility, restricted substances (RoHS), recycling (WEEE), FCC, CE or UL, and therefore may not meet the
technical requirements of these directives or other related directives.
Should this evaluation board/kit not meet the specifications indicated in the Users Guide, the board/kit may be returned within 30
days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY
SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING
ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE.
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all
claims arising from the handling or use of the goods. Due to the open construction of the product, it is the users responsibility to
take any and all appropriate precautions with regard to electrostatic discharge.
EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER
FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not exclusive.
TI assumes no liability for applications assistance, customer product design, software performance, or infringement of
patents or services described herein.
Please read the Users Guide and, specifically, the Warnings and Restrictions notice in the Users Guide prior to handling the
product. This notice contains important safety information about temperatures and voltages. For additional information on TIs
environmental and/or safety programs, please contact the TI application engineer or visit www.ti.com/esh.
No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or
combination in which such TI products or services might be or are used.
FCC Warning
This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION
PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. It generates, uses, and
can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15
of FCC rules, which are designed to provide reasonable protection against radio frequency interference. Operation of this
equipment in other environments may cause interference with radio communications, in which case the user at his own expense
will be required to take whatever measures may be required to correct this interference.
EVM Warnings and Restrictions
It is important to operate this EVM within the input voltage range of 3 V to 60 V and the output voltage range of 1.2 V to20 V .
Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are
questions concerning the input range, please contact a TI field representative prior to connecting the input power.
Applying loads outside of the specified output range may result in unintended operation and/or possible permanent damage to the
EVM. Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the load
specification, please contact a TI field representative.
During normal operation, some circuit components may have case temperatures greater than 100°C. The EVM is designed to
operate properly with certain components above 100°C as long as the input and output ranges are maintained. These components
include but are not limited to linear regulators, switching transistors, pass transistors, and current sense resistors. These types of
devices can be identified using the EVM schematic located in the EVM User's Guide. When placing measurement probes near
these devices during operation, please be aware that these devices may be very warm to the touch.
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright ©2011, Texas Instruments Incorporated
EVALUATION BOARD/KIT/MODULE (EVM) ADDITIONAL TERMS
Texas Instruments (TI) provides the enclosed Evaluation Board/Kit/Module (EVM) under the following conditions:
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claims
arising from the handling or use of the goods.
Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/kit may be returned within 30 days from
the date of delivery for a full refund. THE FOREGOING LIMITED WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO
BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF
MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH
ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES.
Please read the User's Guide and, specifically, the Warnings and Restrictions notice in the User's Guide prior to handling the product. This
notice contains important safety information about temperatures and voltages. For additional information on TI's environmental and/or safety
programs, please visit www.ti.com/esh or contact TI.
No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or
combination in which such TI products or services might be or are used. TI currently deals with a variety of customers for products, and
therefore our arrangement with the user is not exclusive. TI assumes no liability for applications assistance, customer product design,
software performance, or infringement of patents or services described herein.
REGULATORY COMPLIANCE INFORMATION
As noted in the EVM User’s Guide and/or EVM itself, this EVM and/or accompanying hardware may or may not be subject to the Federal
Communications Commission (FCC) and Industry Canada (IC) rules.
For EVMs not subject to the above rules, this evaluation board/kit/module is intended for use for ENGINEERING DEVELOPMENT,
DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer
use. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing
devices pursuant to part 15 of FCC or ICES-003 rules, which are designed to provide reasonable protection against radio frequency
interference. Operation of the equipment may cause interference with radio communications, in which case the user at his own expense will
be required to take whatever measures may be required to correct this interference.
General Statement for EVMs including a radio
User Power/Frequency Use Obligations: This radio is intended for development/professional use only in legally allocated frequency and
power limits. Any use of radio frequencies and/or power availability of this EVM and its development application(s) must comply with local
laws governing radio spectrum allocation and power limits for this evaluation module. It is the user’s sole responsibility to only operate this
radio in legally acceptable frequency space and within legally mandated power limitations. Any exceptions to this are strictly prohibited and
unauthorized by Texas Instruments unless user has obtained appropriate experimental/development licenses from local regulatory
authorities, which is responsibility of user including its acceptable authorization.
For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant
Caution
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the
equipment.
FCC Interference Statement for Class A EVM devices
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to
cause harmful interference in which case the user will be required to correct the interference at his own expense.
FCC Interference Statement for Class B EVM devices
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
For EVMs annotated as IC – INDUSTRY CANADA Compliant
This Class A or B digital apparatus complies with Canadian ICES-003.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the
equipment.
Concerning EVMs including radio transmitters
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this
device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired
operation of the device.
Concerning EVMs including detachable antennas
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain
approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should
be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.
This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum
permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain
greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.
Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada.
Les changements ou les modifications pas expressément approuvés par la partie responsable de la conformité ont pu vider l’autorité de
l'utilisateur pour actionner l'équipement.
Concernant les EVMs avec appareils radio
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est
autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout
brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Concernant les EVMs avec antennes détachables
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain
maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à
l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente
(p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante.
Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel
d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans
cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur.
SPACER
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Important Notice for Users of this Product in Japan
This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan
If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product:
1. Use this product in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and
Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of
Japan,
2. Use this product only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this
product, or
3. Use of this product only after you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with
respect to this product. Also, please do not transfer this product, unless you give the same notice above to the transferee. Please note
that if you could not follow the instructions above, you will be subject to penalties of Radio Law of Japan.
Texas Instruments Japan Limited
(address) 24-1, Nishi-Shinjuku 6 chome, Shinjuku-ku, Tokyo, Japan
http://www.tij.co.jp
【ご使用にあたっての注】
本開発キットは技術基準適合証明を受けておりません。
本製品のご使用に際しては、電波法遵守のため、以下のいずれかの措置を取っていただく必要がありますのでご注意ください。
1. 電波法施行規則第6条第1項第1号に基づく平成18328日総務省告示第173号で定められた電波暗室等の試験設備でご使用いただく。
2. 実験局の免許を取得後ご使用いただく。
3. 技術基準適合証明を取得後ご使用いただく。
なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。
   上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。
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東京都新宿区西新宿6丁目24番1号
西新宿三井ビル
http://www.tij.co.jp
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EVALUATION BOARD/KIT/MODULE (EVM)
WARNINGS, RESTRICTIONS AND DISCLAIMERS
For Feasibility Evaluation Only, in Laboratory/Development Environments. Unless otherwise indicated, this EVM is not a finished
electrical equipment and not intended for consumer use. It is intended solely for use for preliminary feasibility evaluation in
laboratory/development environments by technically qualified electronics experts who are familiar with the dangers and application risks
associated with handling electrical mechanical components, systems and subsystems. It should not be used as all or part of a finished end
product.
Your Sole Responsibility and Risk. You acknowledge, represent and agree that:
1. You have unique knowledge concerning Federal, State and local regulatory requirements (including but not limited to Food and Drug
Administration regulations, if applicable) which relate to your products and which relate to your use (and/or that of your employees,
affiliates, contractors or designees) of the EVM for evaluation, testing and other purposes.
2. You have full and exclusive responsibility to assure the safety and compliance of your products with all such laws and other applicable
regulatory requirements, and also to assure the safety of any activities to be conducted by you and/or your employees, affiliates,
contractors or designees, using the EVM. Further, you are responsible to assure that any interfaces (electronic and/or mechanical)
between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to
minimize the risk of electrical shock hazard.
3. You will employ reasonable safeguards to ensure that your use of the EVM will not result in any property damage, injury or death, even
if the EVM should fail to perform as described or expected.
4. You will take care of proper disposal and recycling of the EVM’s electronic components and packing materials.
Certain Instructions. It is important to operate this EVM within TI’s recommended specifications and environmental considerations per the
user guidelines. Exceeding the specified EVM ratings (including but not limited to input and output voltage, current, power, and
environmental ranges) may cause property damage, personal injury or death. If there are questions concerning these ratings please contact
a TI field representative prior to connecting interface electronics including input power and intended loads. Any loads applied outside of the
specified output range may result in unintended and/or inaccurate operation and/or possible permanent damage to the EVM and/or
interface electronics. Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the
load specification, please contact a TI field representative. During normal operation, some circuit components may have case temperatures
greater than 60°C as long as the input and output are maintained at a normal ambient operating temperature. These components include
but are not limited to linear regulators, switching transistors, pass transistors, and current sense resistors which can be identified using the
EVM schematic located in the EVM User's Guide. When placing measurement probes near these devices during normal operation, please
be aware that these devices may be very warm to the touch. As with all electronic evaluation tools, only qualified personnel knowledgeable
in electronic measurement and diagnostics normally found in development environments should use these EVMs.
Agreement to Defend, Indemnify and Hold Harmless. You agree to defend, indemnify and hold TI, its licensors and their representatives
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