Texas Instruments bq2404 series User manual

User's Guide
SLUUA77–January 2013
1-A Single-Input, Single-Cell Li-Ion Battery Charger
This user’s guide describes the bq2404x evaluation module (EVM), how to perform a stand-alone
evaluation or interface with a host or system. The charger is designed to deliver up to 1000 mA of
continuous current to the battery output when programmed with a resistor on the ISET pin and is
programmed at the factory for ~540 mA. The USB current limit modes are selected by the ISET2 pin and
limits current to a maximum of 500 mA (logic high) or 100 mA (float or high impedance). A low on the
ISET2 pin programs the charge current using the ISET resistor.
Contents
1 Introduction .................................................................................................................. 2
2 Considerations With Evaluating the bq2404x ........................................................................... 2
3 Performance Specification Summary ..................................................................................... 2
4 Test Procedure Summary .................................................................................................. 3
4.1 Equipment ........................................................................................................... 3
4.2 Equipment Setup ................................................................................................... 3
4.3 Jumper Setup ....................................................................................................... 4
4.4 ISET, PRETERM, and TS Setup ................................................................................. 4
4.5 Procedure ........................................................................................................... 5
5 Schematic, Physical Layouts and Bill of Materials ..................................................................... 6
5.1 Schematic ........................................................................................................... 6
5.2 Physical Layouts ................................................................................................... 7
5.3 Bill of Materials ..................................................................................................... 9
List of Figures
1 Original Test Setup ........................................................................................................ 3
2 Battery Emulator ........................................................................................................... 4
3 bq2404x EVM Board Schematic.......................................................................................... 6
4 bq2404x EVM Assembly Layer ........................................................................................... 7
5 bq2404x EVM Top Layer .................................................................................................. 7
6 bq2404x EVM Bottom Layer............................................................................................... 8
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Introduction www.ti.com
1 Introduction
The bq2404x series of devices are highly integrated Li-ion linear charger devices targeted at space-limited
portable applications. The devices operate from either a USB port or AC adapter.
The bq2404x has a single power output that charges the battery. A system load can be placed in parallel
with the battery as long as the average system load does not keep the battery from charging fully during
the 10 hour safety timer.
The battery is charged in three phases: conditioning, constant current, and constant voltage. In all charge
phases, an internal control loop monitors the IC junction temperature and reduces the charge current if an
internal temperature threshold is exceeded.
The charger power stage and charge current sense functions are fully integrated. The charger function
has high-accuracy current and voltage regulation loops, charge status display, and charge termination.
The pre-charge current and termination current threshold are programmed via an external resistor on the
bq24040 and bq24045. The fast charge current value is also programmable via an external resistor.
2 Considerations With Evaluating the bq2404x
Refer to the data sheet for specific details on the charger ICs. The main differences between the bq24040
and the bq24041 are that the Pre-Term pin is replaced with an Auto Start (I/O) (ASI/ASO) feature, a
different Over-Voltage Protection Threshold, and a Temperature Sense Pin (TS) versus a BAT_EN pin.
The main difference between the bq24040 and bq24045 is in the regulation voltage. The bq24040 is 4.2-V
and bq24045 is 4.35-V regulation voltage.
The ISET current control loop sets the maximum charge current. This maximum programmed current level
can be further reduced by entering a USB mode, selected by the ISET2 pin.
The ASO output is dependent on the OUT pin to power the internal OR gate along with at least one high
signal on the input (bq24041).
A system load may be connected to the OUT pin, which takes away some of the charge current. Normally
it is not recommended to operate the device in pre-charge since the system load keeps the battery from
recovering; but, since the PRE_TERM pin can program a higher pre-charge current this restriction is not
necessary.
3 Performance Specification Summary
Specification Test Conditions MIN TYP MAX UNIT
Input DC voltage, VIN Recommended input voltage range 4.45 6.45 V
Reduced Performance, IN(1) Will not charge with Over Voltage input condition. Limited 3.5 28 V
charging with under voltage input.
Power Dissipation(2) PDISS = (VIN – VOUT) × IOUT 1.5 W
IOUT(3) RISET = 1 kΩ0.54 0.8 A
(1) Input voltage range is specified for normal operation. Input voltage between UVLO and 4.75 V has limited functionality, but does
not damage the IC nor present any safety issue with the battery. Input voltage above OVP and less than 30 Vdc has no
operation and will not damage the IC. Lower input voltage (closer to dropout operation) produces less heat dissipation and
potentially better performance.
(2) The junction temperature rise above ambient is proportional to the power dissipation. Once the junction temperature reaches
~125°C, thermal regulations reduces the programmed charge current.
(3) The EVM is set for 800 mA, by changing R1 to lower values, it can support up to 1000 mA.
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PS1
VM2
VM1
A1 A2
PS2
Battery
Emulator
www.ti.com Test Procedure Summary
4 Test Procedure Summary
4.1 Equipment
The following sections outline the equipment necessary to perform all tests in the test procedure.
• Power supply #1 (PS #1) capable of supplying 12 V at 3 A is required
• Power supply #2 (PS #2) capable of supplying up to 5 V at 5 A is required to power battery emulator.
• PR1010-002 (Battery emulator)
• Flat-head screwdriver
• Three voltage meters (VM) and two equivalent current meters (A) are required. The current meters
must be able to measure 3-A current.
4.2 Equipment Setup
1. For all power connections, use short, twisted-pair wires of appropriate gauge wire for the amount of the
current (can handle 3 A).
2. Set PS1 for 5-V, 2-A current limit and then turn off supply
3. Connect the PS1 in series with current meter (A1) to J1 (DC+ and DC–).
4. Connect a Voltmeter (VM1) across DC1 and DC2.
5. Adjust PS2 set to approximately 3.6 V with current limit of 4 A to the input side of battery emulator,
then turn off PS2.
6. Connect VM2 across J2 (OUT, GND)
7. Connect the output side of the battery emulator in series with current meter (A2) to J2 (OUT and
GND).
See Figure 1 and Figure 2 as Reference.
Figure 1. Original Test Setup
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BAT+
BAT±
J1 1
2
BAT+
BAT±
P/S+
GND
2
1J2
PS#2 +
PS#2 ±
1N5821
D1
P/S Range:
0 to 4.5 V,
3 A max Current due to 1N5821
CONNECT TO POWER SOURCE
Battery Range:
0 to 4.3 V,
Sink up to 4.5 V/(2.2 /2)=4.0 A max
CONNECT TO CHARGER BAT+ TO BAT±
R1 R2
2.2, 25 W 2.2, 25 W
1 2 12
R3
0.1, 2 W±5 W
Metal Strip
Sense Resistor
15FR100E
TBH25P5R6
Test Procedure Summary www.ti.com
Figure 2. Battery Emulator
4.3 Jumper Setup
JMP1→Installed
JMP2→Installed
JMP3→ISET2 and GND shorted
JMP4→Installed
JMP5→Installed
4.4 ISET, PRETERM, and TS Setup
4.4.1 TS
• Use the VM3 to measure the Resistance across GND and TP9
• Adjust R11 until VM3 reads 10 kΩ±500 Ω
4.4.2 ISET
• Use the VM3 to measure the Resistance across GND and TP2
• Adjust R2 until VM3 reads 1 kΩ±50 Ω
4.4.3 PRETERM
• Use the VM3 to measure the Resistance across GND and TP4
• Adjust R4 until VM3 reads 2 kΩ±100Ω
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www.ti.com Test Procedure Summary
4.5 Procedure
4.5.1 Operational Testing
1. Ensure that the recommended test setup is followed
2. Turn ON PS1 and PS2
3. Adjust PS2 such that VM2 reads 3.6 V ±50mV
4. Adjust PS1 such that VM1 reads 5 V ±50mV
5. Measure on A#2 →ICHRG = 540 mA ±50 mA
6. Make sure D1 and D2 are ON
7. Remove the shorting jumper on JMP3
8. Measure on A#2 →ICHRG = 100 mA ±50 mA
9. Make sure D1 and D2 are ON
10. Short ISET2 to HI on JMP3
11. Measure on A#2 →ICHRG = 500 mA ±60 mA
12. Make sure D1 and D2 are ON
13. Put shorting jumper back on JMP3 between ISET2 and GND
14. Using VM3, measure the voltage between TP9 (TS pin) and GND
15. Adjust R11 until VM3 reads 0.9 V±50 mV
16. Measure on A#2 →ICHRG = 270 mA ±50 mA
17. Adjust R11 until VM3 reads 1.3 V±50 mV
18. Measure on A#2 →ICHRG = 0 mA ±20 mA
19. Measure on A#1 →IIN = 0 mA ±50 mA
20. Adjust back R11 until VM3 reads 0.5 V±50 mV
21. Measure on A#2 →ICHRG = 540 mA ±50 mA
22. Measure on A#1 →IIN = 580 mA ±70 mA
23. Increase PS2 until VM2 reads 4.30 V (4.2 V for bq24040)
24. Then slowly increase PS2 until D2 turns OFF
25. Measure on A#2 →ICHRG = 0 mA ±20 mA
26. Measure on A#1 →IIN = 0 mA ±50 mA
27. Decrease PS2 until VM2 reads 3.6 V±10 mV
28. Measure on A#2 →ICHRG = 540 mA ±50 mA
29. Measure on A#1 →IIN = 580 mA ±70 mA
30. Turn PS1 and PS2 off
31. Remove all test equipment from the UUT
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Schematic, Physical Layouts and Bill of Materials www.ti.com
5 Schematic, Physical Layouts and Bill of Materials
5.1 Schematic
Figure 3. bq2404x EVM Board Schematic
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www.ti.com Schematic, Physical Layouts and Bill of Materials
5.2 Physical Layouts
Figure 4. bq2404x EVM Assembly Layer
Figure 5. bq2404x EVM Top Layer
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Schematic, Physical Layouts and Bill of Materials www.ti.com
Figure 6. bq2404x EVM Bottom Layer
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www.ti.com Schematic, Physical Layouts and Bill of Materials
5.3 Bill of Materials
-001 -002 -003 Ref Des Value Description SIZE Part Number MFR
1 1 1 C1 1uF Capacitor, Ceramic, 25V, X5R, 10% 0603 C1608X5R1E105K TDK
0 0 0 C2 Capacitor, Ceramic, 25V, X5R, 10% 0805
1 1 1 C3 2.2uF Capacitor, Ceramic, 10V, X5R, 10% 0603 C1608X5R1A225K/0.8 TDK
0 0 0 C4 Capacitor, Ceramic, 10V, X5R, 10% 0805
0 0 0 C5 Capacitor, Ceramic, 25V, X5R, 10% 0603
2 2 2 D1, D2 LTST-C190GKT Diode, LED, Green, 2.1-V, 20-mA, 6-mcd 0603 LTST-C190GKT Lite On
0 1 0 D3 BZX84C5v6-7-F Diode, Zener, 5.6-V, 350-mW SOT-23 BZX84C5v6-7-F Diodes
1 1 1 J1** ED555/2DS Terminal Block, 2-pin, 6-A, 3.5mm 0.27 x 0.25 inch ED555/2DS OST
1 1 1 J2** ED555/4DS Terminal Block, 4-pin, 6-A, 3.5mm 0.55 x 0.25 inch ED555/4DS OST
0 2 0 J3, J4 PEC02SAAN Header, Male 2-pin, 100mil spacing, (2-pin strip) 0.100 inch x 2 PEC02SAAN Sullins
3 3 3 JMP2, JMP4, JMP5 PEC02SAAN Header, Male 2-pin, 100mil spacing, (2-pin strip) 0.100 inch x 2 PEC02SAAN Sullins
0 0 0 JMP6 PEC02SAAN Header, Male 2-pin, 100mil spacing, (2-pin strip) 0.100 inch x 2 PEC02SAAN Sullins
1 0 1 JMP1 PEC02SAAN Header, Male 2-pin, 100mil spacing, (2-pin strip) 0.100 inch x 2 PEC02SAAN Sullins
1 1 1 JMP3 PEC03SAAN Header, Male 3-pin, 100mil spacing, (3-pin strip) 0.100 inch x 3 PEC03SAAN Sullins
1 1 1 R1 (Note 6) 675 Resistor, Chip, 1/16W, 1% 0603 Std Std
1 1 1 R11 50k Potentiometer, 1/4 in. Cermet, 12-Turn, Top-Adjust 0.25x0.17 3266W-1-503LF Bourns
0 0 0 R13, R14 Resistor, Chip, 1/16W, 1% 0603 Std Std
1 1 1 R2 10k Potentiometer, 1/4 in. Cermet, 12-Turn, Top-Adjust 0.25x0.17 3266W-1-103LF Bourns
1 0 1 R4 10k Potentiometer, 1/4 in. Cermet, 12-Turn, Top-Adjust 0.25x0.17 3266W-1-103LF Bourns
2 2 2 R3, R12 1.0k Resistor, Chip, 1/16W, 1% 0603 Std Std
2 2 2 R5, R9 1.5k Resistor, Chip, 1/16W, 1% 0603 Std Std
0 2 0 R6, R10 100k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 1 1 R7 10k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 1 1 R8 0 Resistor, Chip, 1/16W, 1% 0603 Std Std
0 0 0 TP1-TP10 5000 Test Point, Red, Thru Hole Color Keyed 0.100 x 0.100 inch 5000 Keystone
0 0 0 GND1-GND7 5001 Test Point, Black, Thru Hole Color Keyed 0.100 x 0.100 inch 5001 Keystone
1 0 0 U1 BQ24040DSQ SON-10 BQ24040DSQ TI
IC, 1000mA, Single-Input, Single Cell Li-Ion BATTERY CHARGER
0 1 0 U1 BQ24041DSQ SON-10 BQ24041DSQ TI
w/wo Auto Start (ASI/ASO)
0 0 1 U1 BQ24045DSQ SON-10 BQ24045DSQ TI
5 5 5 Shunt (Note 5) Shunt, 100-mil, Black 0.1 929950-00 3M
1 1 1 — PCB, 2.9 In x 1.8 In x 0.031 In HPA387 Any
Notes: 1. These assemblies are ESD sensitive, observe ESD precautions.
2. These assemblies must be clean and free from flux and all contaminants. Use of no-clean flux is not acceptable.
3. These assemblies must comply with workmanship standards IPC-A-610 Class 2.
4. Ref designators marked with an asterisk ('**') cannot be substituted. All other components can be substituted with equivalent MFG's components.
5. Apply shunt to JMP1/2/4/5 and JMP3:2/3. Note J3 and J4 are test pins and don't have shunts (jumpers).
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Schematic, Physical Layouts and Bill of Materials www.ti.com
-001 -002 -003 Ref Des Value Description SIZE Part Number MFR
6. To get more than 800 mA output current of this design, consider changing the value of R1 to lower values
Assembly Number
HPA387-001 bq24040
HPA387-002 bq24041
HPA387-003 bq24045
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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.
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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
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
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