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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 User’s 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 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 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 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 4 V to 6 V and the output voltage range of 0 V to 4.44 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 65° C. The EVM is designed to
operate properly with certain components above 125° 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 © 2010, Texas Instruments Incorporated

Summary of Contents for bq2415x

Page 1: ...ic and Bill of Materials 9 4 1 Board Layout 9 4 2 Schematic 12 4 3 Bill of Materials 13 List of Figures 1 Connections of the HPA172 Kit 5 2 Original Test Setup for HPA255 bq2415x EVM 5 3 Main Window o...

Page 2: ...bq2415x data sheet SLUS942 1 3 I O Description Table 1 Input Output Jack Descriptions Jack Description J1 DC AC adapter or USB positive output J1 DC AC adapter or USB negative output J2 BAT Charger po...

Page 3: ...F LO ON ON 1 5 Recommended Operating Conditions Table 4 Recommended Operating Conditions Min Typ Max Unit Notes Supply voltage VIN Input voltage from ac adapter input 4 5 6 V Battery voltage VBAT Volt...

Page 4: ...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 they do not occur the unit under test has failed As...

Page 5: ...nt voltage mode Set the output voltage to 2 5 V E Turn off Load 2 F Connect J5 to HPA172 kit by 10 pin ribbon cable Connect the USB port of the HPA172 kit to the USB port of the computer The connectio...

Page 6: ...ure Iin 93 mA 5 mA 4 Select Charge Current to 1 25 A select Input Current Limit to 500 mA Measure Ichrg 750 mA 100 mA Measure Iin 475 mA 25 mA 5 Check Disable Charger Turn off PS1 turn off Load 2 and...

Page 7: ...PA172 Ribbon Cable V www ti com Test Summary Figure 4 Test Setup for HPA255 3 Turn on PS1 output 4 Software setup Change Operation Mode to Boost Mode Measure V J1 DC DC 5 V 0 2 V 5 Enable Load 1 Measu...

Page 8: ...nents such that routing interrupts power stage currents All small control signals must be routed away from the high current paths 5 The printed circuit board must have a ground plane return connected...

Page 9: ...ill of Materials 4 Board Layout Schematic and Bill of Materials 4 1 Board Layout Figure 5 Top Layer 9 SLUU366A March 2010 Revised April 2010 bq2415x RGY EVM HPA255 Submit Documentation Feedback Copyri...

Page 10: ...ic and Bill of Materials www ti com Figure 6 Bottom Layer Figure 7 Top Assembly 10 bq2415x RGY EVM HPA255 SLUU366A March 2010 Revised April 2010 Submit Documentation Feedback Copyright 2010 Texas Inst...

Page 11: ...com Board Layout Schematic and Bill of Materials Figure 8 Top Silk 11 SLUU366A March 2010 Revised April 2010 bq2415x RGY EVM HPA255 Submit Documentation Feedback Copyright 2010 Texas Instruments Incor...

Page 12: ...Layout Schematic and Bill of Materials www ti com 4 2 Schematic 12 bq2415x RGY EVM HPA255 SLUU366A March 2010 Revised April 2010 Submit Documentation Feedback Copyright 2010 Texas Instruments Incorpo...

Page 13: ...1 1 1 1 1 L1 1 0mH 2 5mmx2mm 1 0mH 30 1 5A 0 11x0 09 inch LQM2HPN1R0MJ0 or Murata or FDK or MIPS2520D1R0 or TOKO or MDT2520 CN1R0M or CP1008 Inter Technical 1 1 1 1 1 1 1 R1 0 068 Resistor Chip 68m 12...

Page 14: ...duct This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application enginee...

Page 15: ...h statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury...

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