background image

ADDITIONAL TERMS AND CONDITIONS, WARNINGS, RESTRICTIONS, AND DISCLAIMERS FOR

EVALUATION MODULES

Texas Instruments Incorporated (TI) markets, sells, and loans all evaluation boards, kits, and/or modules (EVMs) pursuant to, and user
expressly acknowledges, represents, and agrees, and takes sole responsibility and risk with respect to, the following:

1.

User agrees and acknowledges that EVMs are intended to be handled and used for feasibility evaluation only in laboratory and/or
development environments. Notwithstanding the foregoing, in certain instances, TI makes certain EVMs available to users that do not
handle and use EVMs solely for feasibility evaluation only in laboratory and/or development environments, but may use EVMs in a
hobbyist environment. All EVMs made available to hobbyist users are FCC certified, as applicable. Hobbyist users acknowledge, agree,
and shall comply with all applicable terms, conditions, warnings, and restrictions in this document and are subject to the disclaimer and
indemnity provisions included in this document.

2.

Unless otherwise indicated, EVMs are not finished products and not intended for consumer use. EVMs are intended solely for use by
technically qualified electronics experts who are familiar with the dangers and application risks associated with handling electrical
mechanical components, systems, and subsystems.

3.

User agrees that EVMs shall not be used as, or incorporated into, all or any part of a finished product.

4.

User agrees and acknowledges that certain EVMs may not be designed or manufactured by TI.

5.

User must read the user's guide and all other documentation accompanying EVMs, including without limitation any warning or
restriction notices, prior to handling and/or using EVMs. Such notices contain important safety information related to, for example,
temperatures and voltages. For additional information on TI's environmental and/or safety programs, please visit

www.ti.com/esh

or

contact TI.

6.

User assumes all responsibility, obligation, and any corresponding liability for proper and safe handling and use of EVMs.

7.

Should any EVM not meet the specifications indicated in the user’s guide or other documentation accompanying such EVM, the EVM
may be returned to TI within 30 days from the date of delivery for a full refund. THE FOREGOING LIMITED WARRANTY IS THE
EXCLUSIVE WARRANTY MADE BY TI TO USER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR
STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. TI SHALL
NOT BE LIABLE TO USER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES RELATED TO THE
HANDLING OR USE OF ANY EVM.

8.

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 EVMs might be or are used. TI currently deals with a variety of customers, and therefore TI’s 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 with respect to the handling or use of EVMs.

9.

User assumes sole responsibility to determine whether EVMs may be subject to any applicable federal, state, or local laws and
regulatory requirements (including but not limited to U.S. Food and Drug Administration regulations, if applicable) related to its handling
and use of EVMs and, if applicable, compliance in all respects with such laws and regulations.

10. User has sole responsibility to ensure the safety of any activities to be conducted by it and its employees, affiliates, contractors or

designees, with respect to handling and using EVMs. Further, user is responsible to ensure that any interfaces (electronic and/or
mechanical) between EVMs 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.

11. User shall employ reasonable safeguards to ensure that user’s use of EVMs will not result in any property damage, injury or death,

even if EVMs should fail to perform as described or expected.

12. User shall be solely responsible for proper disposal and recycling of EVMs consistent with all applicable federal, state, and local

requirements.

Certain Instructions.

User shall operate EVMs within TI’s recommended specifications and environmental considerations per the user’s

guide, accompanying documentation, and any other applicable requirements. Exceeding the specified ratings (including but not limited to
input and output voltage, current, power, and environmental ranges) for EVMs may cause property damage, personal injury or death. If
there are questions concerning these ratings, 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 result in unintended and/or inaccurate
operation and/or possible permanent damage to the EVM and/or interface electronics. Please consult the applicable 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 EVMs’ schematics located in the applicable EVM user's guide. When
placing measurement probes near EVMs during normal operation, please be aware that EVMs may become very warm. As with all
electronic evaluation tools, only qualified personnel knowledgeable in electronic measurement and diagnostics normally found in
development environments should use EVMs.

Agreement to Defend, Indemnify and Hold Harmless.

User agrees to defend, indemnify, and hold TI, its directors, officers, employees,

agents, representatives, affiliates, 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 and/or use of EVMs. User’s
indemnity shall apply whether Claims arise under law of tort or contract or any other legal theory, and even if EVMs fail to perform as
described or expected.

Safety-Critical or Life-Critical Applications.

If user intends to use EVMs in evaluations of safety critical applications (such as life support),

and a failure of a TI product considered for purchase by user for use in user’s product would reasonably be expected to cause severe
personal injury or death such as devices which are classified as FDA Class III or similar classification, then user must specifically notify TI
of such intent and enter into a separate Assurance and Indemnity Agreement.

Summary of Contents for bq24187

Page 1: ...Summary 5 2 1 Definitions 5 2 2 Recommended Test Equipment 5 2 3 Recommended Test Equipment Setup 7 2 4 Recommended Test Procedure 9 3 Printed Circuit Board Layout Guideline 10 4 Bill of Materials and Board Layout 11 4 1 Bill of Materials 11 4 2 Board Layout 12 List of Figures 1 bq2418xEVM Schematic 3 2 BAT_Load PR1010 Schematic 6 3 Connections of HPA172 Kit 7 4 Recommended Initial Test Setup for ...

Page 2: ... sheet SLUSBM0 1 2 bq24187EVM Features The bq24187 evaluation module EVM provides a complete charger module for evaluating compact flexible high efficiency USB friendly switch mode battery charge solutions for single cell Li ion and Li polymer battery powered systems used in a wide range of portable applications Key EVM features include Terminal blocks and standard headers for IN BAT TS USB connec...

Page 3: ...C1 TS IN Open C8 PSEL 1 2 J1 GND GND GND DM SCL GND 1 2 J8 SDA GND 0 033uF C3 GND 1 2 J6 DRV SW 1 5 uH L1 DRV 1 2 3 JP4 HIGH CD DRV 1 2 J7 LOW DRV DRV GND GND GND EXT 1 2 J3 1 2 J9 5 62k R5 TP9 TS GND TS DRV GND 1 2 3 JP5 EXT D2 1 2 JP2 1 2 JP3 D1 TP10 TS SCL SIM 1 2 3 4 5 6 7 8 9 10 J12 12 4k R6 STAT GND INT TP1 TP2 TP3 TP4 TP5 TP7 GND SW GND 200 R2 TP11 BAT SDA GND CS 50K R7 GND 1 50k R3 1 50k R...

Page 4: ...2 Shorting jumper to connect DRV to annode of D1 STAT LED SHORTED JP3 Shorting jumper to connect DRV to annode of D1 INT LED SHORTED CD LO Charge disable low for normal operation JP4 CD LO CD HI Charge disable high to disable the buck converter and enter Hi Z mode TS SIM Connects a potentiometer to the TS pin so that the potentiometer can simulator a thermistor The potentiometer is preset per R5 a...

Page 5: ...YY terminal of header XX Jxx BBB Terminal or pin BBB of header xx JPx ON Internal jumper Jxx terminals are shorted JPx OFF Internal jumper Jxx terminals are open JPx YY ON Internal jumper Jxx adjacent terminals marked as YY are shorted Measure A B Check specified parameters A B If measured values are not within specified limits the unit under test has failed Observe A B Observe if A B occur If the...

Page 6: ...de Note that the 27 minute safety timer is not reset by this function and eventually times out if charging does not complete unless the Safety Timer Time Limit is expanded or disabled via the GUI One way to reset the safety timer is to allow the 30 second watchdog timer to expire See Figure 3 in the data sheet for more information about the timers Also it is generally helpful to activate the Write...

Page 7: ...nput side PS 2 of BAT_Load then turn off PS 2 6 Connect the output side of the battery or BAT_Load in series with current meter multimeter 2 CM 2 to J11 and J10 or J5 BAT GND Ensure that a voltage meter VM 2 is connected across J10 or TP1 and J5 or TP7 BAT and GND 7 Connect VM 3 across J6 and J8 DRV and GND 8 Connect the HPA172 kit to J12 by the 10 pin ribbon cable Connect the USB port of the HPA1...

Page 8: ... is configured as is shown in Figure 4 Figure 4 Recommended Initial Test Setup for bq24187EVM 625 11 Turn on the computer Open the BQ24187 evaluation software Figure 5 shows the main window of the software Figure 5 Main Window of BQ24187SW Evaluation Software 8 bq24187 Evaluation Module User s Guide SLUUAI5 April 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Page 9: ...le Charging if checked Check Enable STAT INT Outputs Set Battery Regulation Voltage to 4 20 V Set IN Input Current Limit to 2 0 A Set Charge Current to 1000 mA Click the READ button at the top of the window and confirm that the previous settings remain 7 Enable PS 2 and adjust PS 2 so that the voltage measured by VM 2 across BAT and GND measures 3 8 V 50 mV 8 Adjust the power supply so that VM 1 s...

Page 10: ...nnected directly to the return of all components through vias two vias per capacitor for power stage capacitors one via per capacitor for small signal components It is also recommended to put vias inside the PGND pads for the IC if possible A star ground design approach is typically used to keep circuit block currents isolated high power low power small signal which reduces noise coupling and grou...

Page 11: ...Sullins L1 1 1 5 uH Inductor High Current 3 5A 70 milliohm 4 20x 4 20 mm SPM4012T 1R5M TDK FDSD0415 H 1R5M TOKO LBL1 1 Thermal Transfer Printable Labels 0 650 W x PCB Label 0 650 H x 0 200 W THT 14 423 10 Brady 0 200 H 10 000 per roll R1 R2 2 200 RES 200 ohm 1 0 1W 0603 0603 CRCW0603200RFKEA Vishay Dale R3 R4 2 1 50k RES 1 50k ohm 1 0 1W 0603 0603 RC0603FR 071K5L Yageo America R5 1 5 62k RES 5 62k...

Page 12: ... 2 Board Layout Figure 6 through Figure 10 show the bq24187EVM 625 Rev A PCB layouts Figure 6 Top Assembly Layer 12 bq24187 Evaluation Module User s Guide SLUUAI5 April 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Page 13: ...www ti com Bill of Materials and Board Layout Figure 7 Top Layer 13 SLUUAI5 April 2014 bq24187 Evaluation Module User s Guide Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Page 14: ...of Materials and Board Layout www ti com Figure 8 First Internal Layer 14 bq24187 Evaluation Module User s Guide SLUUAI5 April 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Page 15: ... com Bill of Materials and Board Layout Figure 9 Second Internal Layer 15 SLUUAI5 April 2014 bq24187 Evaluation Module User s Guide Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Page 16: ...ll of Materials and Board Layout www ti com Figure 10 Bottom Layer 16 bq24187 Evaluation Module User s Guide SLUUAI5 April 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Page 17: ...ndling and use of EVMs and if applicable compliance in all respects with such laws and regulations 10 User has sole responsibility to ensure the safety of any activities to be conducted by it and its employees affiliates contractors or designees with respect to handling and using EVMs Further user is responsible to ensure that any interfaces electronic and or mechanical between EVMs and any human ...

Page 18: ...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 its own expense FCC Interference Statement ...

Page 19: ...érieur au gain maximal indiqué sont strictement interdits pour l exploitation de l émetteur Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2014 Texas Instruments Incorporated spacer Important Notice for Users of EVMs Considered Radio Frequency Products in Japan EVMs entering Japan are NOT certified by TI as conforming to Technical Regulations of Radio Law of ...

Page 20: ...esponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

Page 21: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ24187EVM 625 ...

Reviews: