Texas Instruments TPS281C100 User manual

EVM User's Guide: TPS281C100EVM
TPS281C100 Evaluation Module
Description
The TPS281C100EVM is a hardware evaluation
module (EVM) used to enable hardware engineers
to evaluate the full performance and functionality of
the TPS281C100 industrial high side switch. The
TPS281C100EVM contains everything needed to test
and assess the TPS281C100 before designing into
part of a greater application's power system. The
evaluation module is designed to either be used as a
standalone board with an attached voltage supply and
output load or in conjunction with an underlying Texas
Instruments microcontroller by using the standardized
BoosterPack™ plug-in module headers. A wide range
of application features such as digital output module,
safe torque off (STO), and holding brake are enabled
and visible through use of this evaluation module.
This EVM is populated with the QFN version of
TPS281C100.
Features
• Configurable current limit with fixed resistors
• Configurable current sense with fixed resistor
• BoosterPack plug-in module headers allowing
power switch to be controlled by external
microcontroller
• On-board 3.3-V LDO allowing for control signals to
be manipulated by a set of jumpers
• Good board layout and copper area for thermal
performance
• Jumper at the output to support different clamp
configurations for inductive discharge
• Optional footprint to populate TVS diode for VDS
clamp for faster inductive discharge
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1 Evaluation Module Overview
1.1 Introduction
The Texas Instruments TPS281C100EVM is an evaluation module that is used to demonstrate and showcase
all of the features of the underlying TPS281C100 industrial high side switch. This evaluation board provides
a seamless way to connect a set of power supplies to the inputs of the TPS281C100, connect loads to the
output channels, and switch on and off the device using the control pins of the chip itself. An on-board 3.3-V
LDO is included on the EVM to simplify controlling signals to the TPS281C100 and easily assert and deassert
logic signals by the use of a set of external hardware jumpers. Additionally, this EVM includes BoosterPack
plug-in module headers allowing the user to easily connect the TPS281C100 high side switch to an underlying
microcontroller and write software to control and configure the device.
1.2 Kit Contents
Table 1-1 lists the contents of the EVM kit. Contact the Texas Instruments Product Information Center nearest if
any component is missing.
Table 1-1. Kit Contents
Item Quantity
TPS281C100EVM 1
1.3 Specification
The TPS281C100EVM is compatible with both the TPS281C100A and TPS281C100B device versions. Table
1-2 shows the comparison across different device versions. Please note the TPS281C100EVM supports both
versions, but has TPS281C100A populated. To evaluate the TPS281C100B, the TPS281C100A (U2) device has
to be removed and the TPS281C100B device soldered down. Please refer to the device data sheet for more
detailed specifications.
Table 1-2. Device Comparison
DEVICE VERSION PART NUMBER CURRENT LIMIT RANGE INTEGRATED CLAMP
FOR INDUCTIVE LOADS
INRUSH CURRENT
PERIOD
A TPS281C100A 1 A to 5 A (fixed 0.5A with
ILIM short to GND) Yes Yes
B TPS281C100B 1 A to 5 A (fixed 0.5A with
ILIM short to GND) Yes No
1.4 Device Information
The TPS281C100 is a single channel smart high-side switch designed to meet the requirements of industrial
control systems. The low RON(100 mΩ) minimizes device power dissipation, driving a wide range of output load
current up to 4.5-A DC and the 60-V DC operation range improves system robustness.
The TPS281C100 device integrates protection features such as thermal shut down, output clamp, and current
limit. These features improve system robustness during fault events such as short circuit. TPS281C100
implements an adjustable current limiting circuit that improves the reliability of the system by reducing inrush
current when driving large capacitive loads and minimizing overload current. To drive high inrush current loads
such as lamps or fast charging capacitive loads, TPS281C100 implements an inrush current time period with a
higher level of allowed current.
The device also provides an accurate load current sense that allows for improved load diagnostics such as
overload and open-load detection enabling better predictive maintenance.
Table 1-3. Device Information
Part Number Package Body Size (nom)
TPS281C100A QFN (12) 4 mm × 4 mm
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2 Hardware
2.1 BoosterPack™ Plug-in Module Operation
While the TPS281C100EVM can be used as a standalone evaluation board without the need of any external
microcontroller, the EVM also comes populated with BoosterPack plug-in module headers (J15, J16) to enable
easy interface with a Texas Instruments microcontroller. Additionally, by populating jumper J14 the user has
the ability to power the underlying LaunchPad™ development kit through the integrated 3.3-V LDO on the
TPS281C100EVM. A list of pins connected to the BoosterPack plug-in module header can be seen below in
Table 2-1:
Table 2-1. Connected BoosterPack Plug-in Module Header Pins on TPS281C100EVM
BoosterPack Plug-in
Module Pin Function Note
1 3.3-V power rail Disconnect J14 if powering LaunchPad development kit
through USB.
5 FLT pin used to detect faults Open drain input. Pullup source can be controlled using
jumper J12.
6 Current sense output from IC Current sense resistor is R12
38 Configure DIAG_EN Make sure J7 is not populated if using microcontroller output.
39 Configure EN_IC Make sure J6 is not populated if using microcontroller output.
40 Configure OL_IC Make sure J8 is not populated if using microcontroller output.
Note that for all IO and analog signals being attached to the BoosterPack plug-in module, the relevant 10-kΩ
protection resistors are populated in series with the pin for reverse current protection.
To power the attached LaunchPad development kit from the on-board LDO of the TPS281C100EVM, connect
the jumper J14. Note that this feeds the output of the 3.3-V LDO on the TPS281C100EVM into the 3.3-V rail on
the LaunchPad development kit . If there is another power supply trying to power the LaunchPad development
kit (such as the integrated USB power on the LaunchPad development kit itself), this can potentially cause
issues with the separate power sources fighting for contention.
Jumpers J6 through J8 are used to manually configure the control signals going into the TPS281C100.
When using a microcontroller to control these signals, these jumpers must be unpopulated to allow for the
microcontroller to drive them high or low.
For correct and accurate current sense, the maximum voltage out on the SNS pin is clamped to VSNSFH
internally, so there is no need for external clamp.
2.2 Connection Descriptions
Table 2-2 shows the test points populated on the board as well as the signal connectors.
Table 2-2. Connections and Test Points
Connector and Test Point Description
J1, TP1 Supply voltage VS
J3, TP2 Output voltage VOUT
J2, J4, TP7-TP10 System GND
TP3 ENABLE test point
TP4 DIAG_EN test point
TP5 ILIM test point
TP6 OL_ON test point
TP11 GND_IC test point
TP12 FAULT test point
TP13 SNS_IC test point
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Table 2-3 shows the relevant configuration jumpers of the TPS281C100EVM as well as the associated values.
Please refer to the TPS281C100 data sheet for detailed information on each pin's functionality.
Please note that a white mark on the jumper silkscreen is reflecting the position 1 of the jumper.
Table 2-3. Jumper Configurations
Jumper Function, Settings
J5 Connect 1 and 2 to disable on-board LDO; connect 2 and 3 to enable on-board LDO.
J6 Connect 1 and 2 to pull ENABLE high using the on-board LDO; connect 2 and 3 to pull ENABLE low.
J7 Connect 1 and 2 to pull DIAG_EN high; connect 2 and 3 to pull DIAG_EN low.
J8 Connect 1 and 2 to pull OL_ON high; connect 2 and 3 to pull OL_ON low.
J9 Connect to keep output at 0 V during inductive turn-off; disconnect for TVS clamp to clamp the output
(default to –10 V) during inductive turn-off.
J10 Connect the 24.9 kΩ resistor to ILIM pin. Resistor is paralleled if J11 is also connected.
J11 Connect the 16.9 kΩ resistor to ILIM pin. Resistor is paralleled if J10 is also connected.
J12 Connect 1 and 2 to use LDO for FAULT pullup; connect 2 and 3 to use BoosterPack plug-in module 3.3 V
for FAULT pullup.
J13 Connect to bypass GND network. Disconnect to use GND network.
J14 Connect to power the BoosterPack plug-in module with LDO.
2.3 Best Practices
CAUTION
Hot surface. Contact can cause burns. Do not touch!
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3 Hardware Design Files
3.1 Schematic
Figure 3-1. TPS281C100EVM Schematic Drawing
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3.2 PCB Layouts
Figure 3-2. 3D Representation
Figure 3-3. Top Layer
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Figure 3-4. Ground Layer
Figure 3-5. Power Layer
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Figure 3-6. Bottom Layer
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3.3 Bill of Materials
The table below lists the TPS281C100 Bill of Materials.
Table 3-1. TPS281C100 Bill of Materials
Designator Description Part Number Manufacturer
C1 CAP, CERM, 1 uF, 100 V, +/- 10%, X7S, AEC-Q200 Grade 1, 0805 CGA4J3X7S2A105K125AB TDK
C2 CAP, CERM, 2.2 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0805 CGA4J3X7R1H225K125AB TDK
C3 10 µF ±10% 100 V Ceramic Capacitor X6S 1206 (3216 Metric) C3216X6S2A106K160AC TDK
C4 CAP, CERM, 4700 pF, 100 V, +/- 5%, C0G/NP0, 0603 C0603C472J1GAC7867 Kemet
C5 CAP, CERM, 0.022 uF, 100 V, +/- 10%, X7R, 0603 C1608X7R2A223K080AA TDK
C8 CAP, CERM, 1000 pF, 50 V, +/- 5%, X7R, AEC-Q200 Grade 1, 0603 C0603C102J5RACAUTO Kemet
C9 CAP, CERM, 0.1 uF, 100 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0805 CGA4J2X7R2A104K125AA TDK
D1, D6 Diode, Switching, 200 V, 0.2 A, SOT-23 BAS21-7-F Diodes Inc.
D4 Diode, TVS, Bi, 60 V, 96.8 Vc, SMC (no polarity) SMCJ60CA-HRA Littelfuse
D5 Diode, TVS, Uni, 10 V, SMC SMCJ10A Bourns
J1, J3 BANANA JACK, SOLDER LUG, RED, TH SPC15363 Tenma
J2, J4 BANANA JACK, SOLDER LUG, BLACK, TH SPC15354 Tenma
J5, J6, J7, J8, J12 Header, 2.54mm, 3x1, Gold, TH 961103-6804-AR 3M
J9, J10, J11, J13, J14 Header, 2.54mm, 2x1, TH 961102-6404-AR 3M
J15, J16 Receptacle, 2.54mm, 10x2, Tin, TH SSQ-110-03-T-D Samtec
R1, R2, R3, R10, R11 RES, 10 k, 5%, 0.1 W, 0603 RC0603JR-0710KL Yageo
R5 RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW06030000Z0EA Vishay-Dale
R6 RES, 24.9 k, 0.5%, 0.1 W, 0805 RR1220P-2492-D-M Susumu Co Ltd
R7 RES, 16.9 k, 0.5%, 0.1 W, 0805 RR1220P-1692-D-M Susumu Co Ltd
R8, R9 RES, 1.0 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 RCA06031K00JNEA Vishay-Dale
R12 RES, 1.00 k, 1%, 0.25 W, 0805 ERJ-P06F1001V Panasonic
SH-J1, SH-J2, SH-J3, SH-J4,
SH-J5, SH-J6, SH-J7, SH-J8 Shunt, 100mil, Gold plated, Black SNT-100-BK-G Samtec
TP1, TP2 Test Point, Multipurpose, Red, TH 5010 Keystone
TP3, TP4, TP5, TP6, TP12,
TP13 Test Point, Multipurpose, Green, TH 5126 Keystone
TP7, TP8, TP9, TP10, TP11 Test Point, Multipurpose, Black, TH 5011 Keystone
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Table 3-1. TPS281C100 Bill of Materials (continued)
Designator Description Part Number Manufacturer
U1
Single Output LDO, 100 mA, Fixed 3.3 V Output, 3 to 60 V Input,
with Enable and Power Good, 8-pin MSOP (DGN), -40 to 125 degC,
Green (RoHS & no Sb/Br)
TPS7A1633DGNR Texas Instruments
U2 60-V, 100-mΩ, Single-Channel Smart High-Side Switch TPS281C100DNTR Texas Instruments
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4 Additional Information
Trademarks
BoosterPack™ and LaunchPad™ are trademarks of Texas Instruments.
All trademarks are the property of their respective owners.
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STANDARD TERMS FOR EVALUATION MODULES
1. Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or
documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance
with the terms set forth herein. User's acceptance of the EVM is expressly subject to the following terms.
1.1 EVMs are intended solely for product or software developers for use in a research and development setting to facilitate feasibility
evaluation, experimentation, or scientific analysis of TI semiconductors products. EVMs have no direct function and are not
finished products. EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product. For
clarification, any software or software tools provided with the EVM (“Software”) shall not be subject to the terms and conditions
set forth herein but rather shall be subject to the applicable terms that accompany such Software
1.2 EVMs are not intended for consumer or household use. EVMs may not be sold, sublicensed, leased, rented, loaned, assigned,
or otherwise distributed for commercial purposes by Users, in whole or in part, or used in any finished product or production
system.
2Limited Warranty and Related Remedies/Disclaimers:
2.1 These terms do not apply to Software. The warranty, if any, for Software is covered in the applicable Software License
Agreement.
2.2 TI warrants that the TI EVM will conform to TI's published specifications for ninety (90) days after the date TI delivers such EVM
to User. Notwithstanding the foregoing, TI shall not be liable for a nonconforming EVM if (a) the nonconformity was caused by
neglect, misuse or mistreatment by an entity other than TI, including improper installation or testing, or for any EVMs that have
been altered or modified in any way by an entity other than TI, (b) the nonconformity resulted from User's design, specifications
or instructions for such EVMs or improper system design, or (c) User has not paid on time. Testing and other quality control
techniques are used to the extent TI deems necessary. TI does not test all parameters of each EVM.
User's claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects in the EVMs within ten (10)
business days after delivery, or of any hidden defects with ten (10) business days after the defect has been detected.
2.3 TI's sole liability shall be at its option to repair or replace EVMs that fail to conform to the warranty set forth above, or credit
User's account for such EVM. TI's liability under this warranty shall be limited to EVMs that are returned during the warranty
period to the address designated by TI and that are determined by TI not to conform to such warranty. If TI elects to repair or
replace such EVM, TI shall have a reasonable time to repair such EVM or provide replacements. Repaired EVMs shall be
warranted for the remainder of the original warranty period. Replaced EVMs shall be warranted for a new full ninety (90) day
warranty period.
WARNING
Evaluation Kits are intended solely for use by technically qualified,
professional electronics experts who are familiar with the dangers
and application risks associated with handling electrical mechanical
components, systems, and subsystems.
User shall operate the Evaluation Kit within TI’s recommended
guidelines and any applicable legal or environmental requirements
as well as reasonable and customary safeguards. Failure to set up
and/or operate the Evaluation Kit within TI’s recommended
guidelines may result in personal injury or death or property
damage. Proper set up entails following TI’s instructions for
electrical ratings of interface circuits such as input, output and
electrical loads.
NOTE:
EXPOSURE TO ELECTROSTATIC DISCHARGE (ESD) MAY CAUSE DEGREDATION OR FAILURE OF THE EVALUATION
KIT; TI RECOMMENDS STORAGE OF THE EVALUATION KIT IN A PROTECTIVE ESD BAG.

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2
3Regulatory Notices:
3.1 United States
3.1.1 Notice applicable to EVMs not FCC-Approved:
FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software
associated with the kit to determine whether to incorporate such items in a finished product and software developers to write
software applications for use with the end product. This kit is not a finished product and when assembled may not be resold or
otherwise marketed unless all required FCC equipment authorizations are first obtained. Operation is subject to the condition
that this product not cause harmful interference to licensed radio stations and that this product accept harmful interference.
Unless the assembled kit is designed to operate under part 15, part 18 or part 95 of this chapter, the operator of the kit must
operate under the authority of an FCC license holder or must secure an experimental authorization under part 5 of this chapter.
3.1.2 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
NOTE: 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
NOTE: 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.
3.2 Canada
3.2.1 For EVMs issued with an Industry Canada Certificate of Conformance to RSS-210 or RSS-247
Concerning EVMs Including Radio Transmitters:
This device complies with Industry Canada license-exempt RSSs. 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.
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.
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.

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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
3.3 Japan
3.3.1 Notice for EVMs delivered in Japan: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page 日本国内に
輸入される評価用キット、ボードについては、次のところをご覧ください。
https://www.ti.com/ja-jp/legal/notice-for-evaluation-kits-delivered-in-japan.html
3.3.2 Notice for Users of EVMs Considered “Radio Frequency Products” in Japan: EVMs entering Japan may not be certified
by TI as conforming to Technical Regulations of Radio Law of Japan.
If User uses EVMs in Japan, not certified to Technical Regulations of Radio Law of Japan, User is required to follow the
instructions set forth by Radio Law of Japan, which includes, but is not limited to, the instructions below with respect to EVMs
(which for the avoidance of doubt are stated strictly for convenience and should be verified by User):
1. Use EVMs 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 EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to
EVMs, or
3. Use of EVMs only after User obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan
with respect to EVMs. Also, do not transfer EVMs, unless User gives the same notice above to the transferee. Please note
that if User does not follow the instructions above, User will be subject to penalties of Radio Law of Japan.
【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて
いないものがあります。 技術適合証明を受けていないもの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18年3月28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。 日本テキサス・イ
ンスツルメンツ株式会社
東京都新宿区西新宿６丁目２４番１号
西新宿三井ビル
3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page
電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧くださ
い。https://www.ti.com/ja-jp/legal/notice-for-evaluation-kits-for-power-line-communication.html
3.4 European Union
3.4.1 For EVMs subject to EU Directive 2014/30/EU (Electromagnetic Compatibility Directive):
This is a class A product intended for use in environments other than domestic environments that are connected to a
low-voltage power-supply network that supplies buildings used for domestic purposes. In a domestic environment this
product may cause radio interference in which case the user may be required to take adequate measures.

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4
4EVM Use Restrictions and Warnings:
4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT
LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS.
4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling
or using the EVM, including without limitation any warning or restriction notices. The notices contain important safety information
related to, for example, temperatures and voltages.
4.3 Safety-Related Warnings and Restrictions:
4.3.1 User shall operate the EVM within TI’s recommended specifications and environmental considerations stated in the user
guide, other available documentation provided by TI, and any other applicable requirements and employ reasonable and
customary safeguards. Exceeding the specified performance ratings and specifications (including but not limited to input
and output voltage, current, power, and environmental ranges) for the EVM may cause personal injury or death, or
property damage. If there are questions concerning performance ratings and specifications, User should 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 also result in unintended and/or inaccurate operation and/or possible
permanent damage to the EVM and/or interface electronics. Please consult the EVM user 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, even with the inputs and outputs kept within the specified allowable ranges, some circuit
components may have elevated case temperatures. These components include but are not limited to linear regulators,
switching transistors, pass transistors, current sense resistors, and heat sinks, which can be identified using the
information in the associated documentation. When working with the EVM, please be aware that the EVM may become
very warm.
4.3.2 EVMs are intended solely for use by technically qualified, professional electronics experts who are familiar with the
dangers and application risks associated with handling electrical mechanical components, systems, and subsystems.
User assumes all responsibility and liability for proper and safe handling and use of the EVM by User or its employees,
affiliates, contractors or designees. User assumes all responsibility and liability to ensure 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. User assumes all responsibility and
liability for any improper or unsafe handling or use of the EVM by User or its employees, affiliates, contractors or
designees.
4.4 User assumes all responsibility and liability to determine whether the EVM is subject to any applicable international, federal,
state, or local laws and regulations related to User’s handling and use of the EVM and, if applicable, User assumes all
responsibility and liability for compliance in all respects with such laws and regulations. User assumes all responsibility and
liability for proper disposal and recycling of the EVM consistent with all applicable international, federal, state, and local
requirements.
5. Accuracy of Information: To the extent TI provides information on the availability and function of EVMs, TI attempts to be as accurate
as possible. However, TI does not warrant the accuracy of EVM descriptions, EVM availability or other information on its websites as
accurate, complete, reliable, current, or error-free.
6. Disclaimers:
6.1 EXCEPT AS SET FORTH ABOVE, EVMS AND ANY MATERIALS PROVIDED WITH THE EVM (INCLUDING, BUT NOT
LIMITED TO, REFERENCE DESIGNS AND THE DESIGN OF THE EVM ITSELF) ARE PROVIDED "AS IS" AND "WITH ALL
FAULTS." TI DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, REGARDING SUCH ITEMS, INCLUDING BUT
NOT LIMITED TO ANY EPIDEMIC FAILURE WARRANTY OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADE
SECRETS OR OTHER INTELLECTUAL PROPERTY RIGHTS.
6.2 EXCEPT FOR THE LIMITED RIGHT TO USE THE EVM SET FORTH HEREIN, NOTHING IN THESE TERMS SHALL BE
CONSTRUED AS GRANTING OR CONFERRING ANY RIGHTS BY LICENSE, PATENT, OR ANY OTHER INDUSTRIAL OR
INTELLECTUAL PROPERTY RIGHT OF TI, ITS SUPPLIERS/LICENSORS OR ANY OTHER THIRD PARTY, TO USE THE
EVM IN ANY FINISHED END-USER OR READY-TO-USE FINAL PRODUCT, OR FOR ANY INVENTION, DISCOVERY OR
IMPROVEMENT, REGARDLESS OF WHEN MADE, CONCEIVED OR ACQUIRED.
7. USER'S INDEMNITY OBLIGATIONS AND REPRESENTATIONS. USER WILL DEFEND, INDEMNIFY AND HOLD TI, ITS
LICENSORS AND THEIR REPRESENTATIVES HARMLESS FROM AND AGAINST ANY AND ALL CLAIMS, DAMAGES, LOSSES,
EXPENSES, COSTS AND LIABILITIES (COLLECTIVELY, "CLAIMS") ARISING OUT OF OR IN CONNECTION WITH ANY
HANDLING OR USE OF THE EVM THAT IS NOT IN ACCORDANCE WITH THESE TERMS. THIS OBLIGATION SHALL APPLY
WHETHER CLAIMS ARISE UNDER STATUTE, REGULATION, OR THE LAW OF TORT, CONTRACT OR ANY OTHER LEGAL
THEORY, AND EVEN IF THE EVM FAILS TO PERFORM AS DESCRIBED OR EXPECTED.

www.ti.com
5
8. Limitations on Damages and Liability:
8.1 General Limitations. IN NO EVENT SHALL TI BE LIABLE FOR ANY SPECIAL, COLLATERAL, INDIRECT, PUNITIVE,
INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES IN CONNECTION WITH OR ARISING OUT OF THESE
TERMS OR THE USE OF THE EVMS , REGARDLESS OF WHETHER TI HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES. EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED TO, COST OF REMOVAL OR
REINSTALLATION, ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, RETESTING,
OUTSIDE COMPUTER TIME, LABOR COSTS, LOSS OF GOODWILL, LOSS OF PROFITS, LOSS OF SAVINGS, LOSS OF
USE, LOSS OF DATA, OR BUSINESS INTERRUPTION. NO CLAIM, SUIT OR ACTION SHALL BE BROUGHT AGAINST TI
MORE THAN TWELVE (12) MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS
OCCURRED.
8.2 Specific Limitations. IN NO EVENT SHALL TI'S AGGREGATE LIABILITY FROM ANY USE OF AN EVM PROVIDED
HEREUNDER, INCLUDING FROM ANY WARRANTY, INDEMITY OR OTHER OBLIGATION ARISING OUT OF OR IN
CONNECTION WITH THESE TERMS, , EXCEED THE TOTAL AMOUNT PAID TO TI BY USER FOR THE PARTICULAR
EVM(S) AT ISSUE DURING THE PRIOR TWELVE (12) MONTHS WITH RESPECT TO WHICH LOSSES OR DAMAGES ARE
CLAIMED. THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT.
9. Return Policy. Except as otherwise provided, TI does not offer any refunds, returns, or exchanges. Furthermore, no return of EVM(s)
will be accepted if the package has been opened and no return of the EVM(s) will be accepted if they are damaged or otherwise not in
a resalable condition. If User feels it has been incorrectly charged for the EVM(s) it ordered or that delivery violates the applicable
order, User should contact TI. All refunds will be made in full within thirty (30) working days from the return of the components(s),
excluding any postage or packaging costs.
10. Governing Law: These terms and conditions shall be governed by and interpreted in accordance with the laws of the State of Texas,
without reference to conflict-of-laws principles. User agrees that non-exclusive jurisdiction for any dispute arising out of or relating to
these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County, Texas.
Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief
in any United States or foreign court.
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2023, Texas Instruments Incorporated

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PARTY INTELLECTUAL PROPERTY RIGHTS.
These resources are intended for skilled developers designing with TI products. You are solely responsible for (1) selecting the appropriate
TI products for your application, (2) designing, validating and testing your application, and (3) ensuring your application meets applicable
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Copyright © 2023, Texas Instruments Incorporated