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Texas Instruments bq241xx bqSWITCHER User’s Guide

Summary

Optimize your hardware design process with this comprehensive guide for the bq241xx Switching Evaluation Kit (EVM). This resource is engineered for electronics specialists conducting prototyping and rigorous power management development. The manual provides detailed schematics, physical layouts, operational instructions, and critical guidelines, including strict warnings regarding required input voltage ranges and safe handling practices necessary for successful engineering evaluation.

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User’s Guide

Using the bq241xx (bq SWITCHER)

User’s Guide

Page Summary Contents For Texas Instruments bq241xx bqSWITCHER User’s Guide

Page 1 User’s Guide Using the bq241xx (bq SWITCHER) User’s Guide
Page 2 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 EVA...
Page 3 DYNAMIC WARNINGS AND RESTRICTIONS It is important to operate this EVM within the input voltage range of 4.5 V to 16 V. Exceeding the specified input range may cause unexpected operation and/or irrever...
Page 4 SLUU200 − July 2004 Using the bq241xx (bq SWITCHER) Portable Power Contents Introduction 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 5 SLUU200 − July 2004 1.2 Performance Specification Summary This section summarizes the performance specifications of the EVM. Table 1 gives the performance specifications of the EVM. The TS pin has bee...
Page 6 SLUU200 − July 2004 Table 2. I/O and Jumper Connections (Factory Jumper Selections are shown in BOLD): ASSEMBLY −001 −002 −003 −004 −005 U1 Device bq24100 bq24105(1) bq24113(2) bq24115(1) bq24103(2) J...
Page 7 SLUU200 − July 2004 Figure 1. bq241xx EVM Top Layer 7 Using the bq241xx (bq SWITCHER)
Page 8 SLUU200 − July 2004 Physical Layouts This chapter contains the board 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 ...
Page 9 SLUU200 − July 2004 Figure 3. bq241xx EVM Top Silk Screen Figure 4. bq241xx Top Layer 9 Using the bq241xx (bq SWITCHER)
Page 10 SLUU200 − July 2004 Figure 5. bq241xx EVM Top Asembly Using the bq241xx (bq SWITCHER)
Page 11 SLUU200 − July 2004 List of Materials Tables 3 through 7 list the components used in this design. With minor component adjustments this design could be modified to meet a wide range of applications. T...
Page 12 SLUU200 − July 2004 Table 4. bq24105EVM−002 List of Materials REFERENCE QTY DESCRIPTION SIZE MFR PART NUMBER DESIGNATOR C1, C2, C4 Capacitor, ceramic, 10 µF, 25 V, X5R, 20% Panasonic ECJ−3YB1E106M C9 ...
Page 13 SLUU200 − July 2004 Table 5. bq24113EVM−003 List of Materials REFERENCE QTY DESCRIPTION SIZE MFR PART NUMBER DESIGNATOR C1, C2, C4 Capacitor, ceramic, 10 µF, 25 V, X5R, 20% Panasonic ECJ−3YB1E106M C9 ...
Page 14 SLUU200 − July 2004 Table 6. bq24115EVM−004 List of Materials REFERENCE QTY DESCRIPTION SIZE MFR PART NUMBER DESIGNATOR C1, C2, C4 Capacitor, ceramic, 10 µF, 25 V, X5R, 20% Panasonic ECJ−3YB1E106M C9 ...
Page 15 SLUU200 − July 2004 Table 7. bq24103EVM−005 List of Materials REFERENCE QTY DESCRIPTION SIZE MFR PART NUMBER DESIGNATOR C1, C2, C4 Capacitor, ceramic, 10 µF, 25 V, X5R, 20% Panasonic ECJ−3YB1E106M C9 ...
Page 16 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and servic...

Manual Details

Brand Texas Instruments
Pages 16
File Size 368.00 KB
Published July 16, 2026
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Frequently Asked Questions

What is the proper input voltage range for safe operation?

The EVM must operate within 4.5 V to 16 V; exceeding this range may cause irreversible damage.

Can I connect any load or circuit output without checking first?

No, applying loads outside of the specified output range can cause unintended operation and potential permanent damage.

Is this evaluation kit suitable for direct commercial product manufacturing?

No, it is intended only for engineering development or evaluation purposes and is not considered fit for full commercial use.

Are there safety concerns regarding component temperatures during testing?

Yes; components like linear regulators may exceed 50°C, so be careful when placing measurement probes near these devices.

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