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EVM IMPORTANT NOTICE

Texas Instruments (TI) provides the enclosed product(s) under the following conditions:

This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION
PURPOSES ONLY
 and is not considered by TI to be fit for commercial use. As such, the goods being provided
may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective
considerations, including product safety measures typically found in the end product incorporating the goods.
As a prototype, this product does not fall within the scope of the European Union directive on electromagnetic
compatibility and therefore may not meet the technical requirements of the directive.

Should this evaluation kit not meet the specifications indicated in the EVM User’s Guide, the 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. Please be aware that the products
received may not be regulatory compliant or agency certified (FCC, UL, CE, etc.). Due to the open construction
of the product, it is the user’s 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 EVM User’s Guide and, specifically, the EVM Warnings and Restrictions notice in the EVM
User’s Guide prior to handling the product. This notice contains important safety information about temperatures
and voltages. For further safety concerns, please contact the TI application engineer.

Persons handling the product must have electronics training and observe good laboratory practice standards.

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.

Mailing Address:

Texas Instruments
Post Office Box 655303
Dallas, Texas 75265

Copyright 

 2004, Texas Instruments Incorporated

Summary of Contents for bqSWITCHER bq241 EVM Series

Page 1: ...User s Guide Using the bq241xx bqSWITCHERE User s Guide...

Page 2: ...handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s...

Page 3: ...tainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 50 C The EVM is designed to operate...

Page 4: ...TCHER data sheet SLUS606 prior to evaluation for detailed information on the bqSWITCHER device 1 1 Background The bqSWITCHER series are highly integrated Li Ion and Li Pol switch mode charge managemen...

Page 5: ...in evaluating the EVM 2 1 Equipment D Power Source Current limited 15 V lab supply with its current limit set to 25 above the programmed charging current 1 7 A for setup from factory This is basicall...

Page 6: ...on the power supply preset to the suggested value in Table 2 and approximately 1 7 A for the current limit setting 2 The PG LED should turn on along with STAT1 if the battery is charging 3 The bq241xx...

Page 7: ...SLUU200 July 2004 7 Using the bq241xx bqSWITCHERE Figure 1 bq241xxEVM Top Layer...

Page 8: ...ard layout and assembly drawings for the EVM 4 1 Board Layout Figure 2 shows the top assembly of the EVM Figure 3 shows the top silk screen The bq24103 may also be evaluated on this evaluation board F...

Page 9: ...SLUU200 July 2004 9 Using the bq241xx bqSWITCHERE Figure 3 bq241xxEVM Top Silk Screen Figure 4 bq241xx Top Layer...

Page 10: ...SLUU200 July 2004 10 Using the bq241xx bqSWITCHERE Figure 5 bq241xxEVM Top Asembly...

Page 11: ...pin strip 34100 Sullins PTC36SAAN J10 0 Header 3 pin 100 mil spacing 36 pin strip 34100 Sullins PTC36SAAN 5 Shunt 100 mil black 0 100 3M 929950 00 L1 1 Inductor SMT 10 H 1 84 A 49 m 0 315 0 287 Sumida...

Page 12: ...Sullins PTC36SAAN 5 Shunt 100 mil black 0 100 3M 929950 00 L1 1 Inductor SMT 10 H 1 84 A 49 m 0 315 0 287 Sumida CDRH74 100 R1 1 Resistor chip 1 5 k 1 16 W 1 603 Vishay CRCW0603 1501 F R10 1 Resistor...

Page 13: ...36SAAN 5 Shunt 100 mil black 0 100 3M 929950 00 L1 1 Inductor SMT 10 H 1 84 A 49 m 0 315 0 287 Sumida CDRH74 100 R1 0 Resistor chip 1 5 k 1 16 W 1 603 Vishay CRCW0603 1501 F R10 1 Resistor chip 4 99 k...

Page 14: ...00 Sullins PTC36SAAN 4 Shunt 100 mil black 0 100 3M 929950 00 L1 1 Inductor SMT 10 H 1 84 A 49 m 0 315 0 287 Sumida CDRH74 100 R1 0 Resistor chip 1 5 k 1 16 W 1 603 Vishay CRCW0603 1501 F R10 1 Resist...

Page 15: ...84 A 49 m 0 315 0 287 Sumida CDRH74 100 R1 1 Resistor chip 1 5 k 1 16 W 1 603 Vishay CRCW0603 1501 F R10 1 Resistor chip 4 99 k 1 16 W 1 603 Vishay CRCW0603 4991 F R11 R13 R14 3 Resistor chip 10 k 1 1...

Page 16: ...change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of thes...

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