Texas Instruments BQ76942EVM

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5.4 Schematic........................................................................................................................................................................ 39

6 Related Documents from Texas Instruments.....................................................................................................................43

List of Figures

Figure 2-1. EVM Connection for Basic Operation........................................................................................................................6

Figure 3-1. Target Selection Wizard............................................................................................................................................ 8

Figure 3-2. BQStudio Window without Device.............................................................................................................................9

Figure 3-3. Register View with Device.......................................................................................................................................10

Figure 3-4. Tool Selections........................................................................................................................................................ 10

Figure 3-5. Data Memory View.................................................................................................................................................. 11

Figure 3-6. Data Memory Bit Field Change............................................................................................................................... 12

Figure 3-7. Program OTP Pane with Success Display.............................................................................................................. 13

Figure 3-8. Calibration View.......................................................................................................................................................14

Figure 3-9. Example Voltage Calibration Success.....................................................................................................................15

Figure 3-10. Example Current Calibration Failure..................................................................................................................... 15

Figure 3-11. Command Sequence View.................................................................................................................................... 16

Figure 4-1. Evaluating with Load Current.................................................................................................................................. 17

Figure 4-2. Evaluating with Charge or Discharge Current......................................................................................................... 18

Figure 4-3. Simulating Current Setup........................................................................................................................................ 18

Figure 4-4. Example 8 Cell Simple Evaluation Configuration.................................................................................................... 19

Figure 4-5. Example Connection with 9 Cells............................................................................................................................20

Figure 4-6. Host Connection Concept....................................................................................................................................... 21

Figure 5-1. Top Silk Screen....................................................................................................................................................... 23

Figure 5-2. Top Assembly.......................................................................................................................................................... 24

Figure 5-3. Top Layer.................................................................................................................................................................25

Figure 5-4. Layer 2.................................................................................................................................................................... 26

Figure 5-5. Layer 3.................................................................................................................................................................... 27

Figure 5-6. Bottom Layer........................................................................................................................................................... 28

Figure 5-7. Bottom Silk Screen..................................................................................................................................................29

Figure 5-8. Bottom Assembly.................................................................................................................................................... 30

Figure 5-9. Schematic Diagram Monitor.................................................................................................................................... 39

Figure 5-10. Schematic Diagram Pin Configuration.................................................................................................................. 40

Figure 5-11. Schematic Diagram FETs...................................................................................................................................... 41

Figure 5-12. Schematic Diagram Interface Adapter.................................................................................................................. 42

List of Tables

Table 1-1. Ordering Information................................................................................................................................................... 3

Table 1-2. Performance Specification Summary..........................................................................................................................3

Table 4-1. Reducing Cell Count................................................................................................................................................. 19

Table 5-1. BQ76942 Circuit Module Bill of Materials................................................................................................................. 31

Table 5-2. REACH Components................................................................................................................................................ 38

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2 BQ76942 Evaluation Module SLUUC32A – NOVEMBER 2019 – REVISED OCTOBER 2020

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