Texas Instruments SLUU083A - Manuals

Page 3 - Preface; Read This First; About This Manual

Trademarks iii Read This First Preface Read This First About This Manual This user’s guide describes the bq2400x evaluation module. The EVM conve-niently evaluates a linear Li-ion bq2400x charge-management solution forone- and two-cell battery-pack applications. This guide describes a completedesign...

Page 4 - Contents; Figures

Running Title—Attribute Reference v Contents Contents 1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Background 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 5 - Topic; Chapter 1

1-1 Introduction This user’s guide describes the bq2400x Evaluation Module (SLUP051). TheEVM conveniently evaluates a linear Li-ion bq2400x charge-managementsolution for one- and two-cell battery-pack applications. This guide describesa complete designed-and-tested charger, which delivers up to 1.0 ...

Page 6 - Performance Specification Summary

Background 1-2 1.1 Background The bq2400x series ICs are advanced Li-Ion linear charge managementdevices for highly integrated and space-limited applications. They combinehigh-accuracy current and voltage regulation; FET pass-transistor andreverse-blocking Schottky; battery conditioning, temperature...

Page 8 - Test Summary; Chapter 2

2-1 Test Summary Test Summary This chapter shows the test setups used, and the tests performed, in designingthe bq2400xEVM. Topic Page 2.1 Setup 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2 Test Procedures 2-2 . . . . . . . ....

Page 9 - Jumper-Selectable Configuration; Test Procedures; For Single-Cell Applications

Setup 2-2 2.1 Setup The bq2400X EVM board requires a DC power source to provide input powerand a single-cell lithium-ion or lithium-polymer battery to charge. Note: Other versions of the bq2400x IC can charge two-cell battery packs. The test setup connections and jumper setting selections are listed...

Page 10 - For Two-Cell Applications

Test Procedures 2-3 Test Summary Note: V I for a single cell should not exceed 5.3 VDC for the 1-A charge rate and 7.6 V for the .5-A charge rate. Adjust the input power supply for 5 V. The red LED should illuminate to indicatecharging, unless there is a fault or the battery is fully charged. The bq...

Page 12 - Physical Layouts; Chapter 3

3-1 Physical Layouts Physical Layouts This chapter contains the board layout and assembly drawings for theSLUP051 EVM. Topic Page 3.1 Board Layout 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 3

Page 13 - Figure 3–1. SLUP051 Board Layout Top Layer

Board Layout 3-2 3.1 Board Layout Figure 3-1 shows the top layer of the SLUP051. Figure 3-2 shows the bottomlayer. Figure 3-3 shows the SLUP051 top assembly view. Figure 3–1. SLUP051 Board Layout Top Layer

Page 14 - Figure 3–2. SLUP051 Board Layout Bottom Layer

Board Layout 3-3 Physical Layouts Figure 3–2. SLUP051 Board Layout Bottom Layer Figure 3–3. SLUP051 Top Assembly View

Page 15 - Bill of Materials; Chapter 4

4-1 Bill of Materials Bill of Materials This chapter contains the bill of materials required for the SLUP051 EVM. Italso specifies the charge status configurations for the bq2400x. Topic Page 4.1 Bill of Materials 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 16 - Table 4–1. SLUP051 Bill of Materials

Bill of Materials 4-2 4.1 Bill of Materials Table 4-1 lists materials required for the SLUP051 EVM. Table 4–1. SLUP051 Bill of Materials Qty ReferenceDesignator Part Number Description MFG Size 2 C1, C4 TAJC106M016R Capacitor, 10 µ F tantalum, 16 V, ± 20%, 6032 AVX-Future 1210 1 C2 C0805X7R250-104KN...

Page 17 - bq2400x Charge Status Configurations; Table 4–2. Charge Status Configurations

bq2400x Charge Status Configurations 4-3 Bill of Materials 4.2 bq2400x Charge Status Configurations Table 4–2 lists the charge status configurations for the bq2400x. Table 4–2. Charge Status Configurations Part Number Number of Cells Charge Status Configuration bq24001 Single cell Single LED bq24002...

Page 18 - Schematic; Appendix A

A-1 Schematic Schematic This chapter contains the schematic diagram for the EVM. Topic Page A.1 Schematic A-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Appendix A

Page 19 - TEXAS INSTRUMENTS

J3 1 3 4 2 5% 511 R6 BQ24000 U1 26 27 28 29 30 25 24 23 22 21 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 0.2 R4 5% 511 R8 1% 51.1K R1 1% 316K R2 0.1 R3 16V 10UF C4 1% 95.3K R7 J4 1 3 4 2 0.1UF C2 J10 1 2 1% 18.7K R5 100 R9 10UF C1 D2 D1 J1 J7 3 2 1 J2 3 2 1 J6 3 2 1 J5 3 2 1 J8 2 1 J9 0.22UF...