Texas Instruments BQ24351EVM Скачать руководство пользователя страница 11

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CAUTION: Device may have surface temperature

in excess of 60°C when unit is operational.

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Bill of Materials, Board Layout, and Schematic

4.3

Schematic

Figure 6. bq24351 Schematic

SLUU455 – October 2010

bq24351EVM for Li-Ion Charger Front-End Protection IC

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Содержание BQ24351EVM

Страница 1: ...d Operating Conditions 3 2 Test Summary 3 2 1 Definitions 3 2 2 Equipment 3 2 3 Equipment Setup 4 2 4 Procedure 5 3 PCB Layout Guideline 5 4 Bill of Materials Board Layout and Schematic 6 4 1 Bill of...

Страница 2: ...351 DSG Evaluation module for bq2057C charger integrated circuit IC Input operating range for bq24351 4 5 V 26 V Input overvoltage protection Input overcurrent protection Battery overvoltage protectio...

Страница 3: ...oard On the test procedure the following naming conventions are followed See the schematic for details VXXX External voltage supply name VIN VBAT VOUT LOADW External load name LOADR LOADI V TPyyy Volt...

Страница 4: ...tup 1 Set PS 1 for 0 V 100 mVdc 2 0 1 A current limit and then disable the output 2 Connect the output of PS 1 to J1 DC DC 3 Connect a voltage meter across J1 DC DC 4 Connect the output of load 1 in s...

Страница 5: ...the voltage of PS 1 to 0 V 0 1 V 3 PCB Layout Guideline 1 It is critical that the exposed thermal pad on the back side of the bq24351 package be soldered to the printed circuit board PCB ground Ensure...

Страница 6: ...929950 00 3M ESD spacing 2 R1 R2 0 Resistor chip 1 16 W 1 402 Std Std 0 R3 R4 0 Resistor chip 1 16 W 1 402 Std Std 2 R5 R6 200 k Resistor chip 1 16 W 5 402 Std Std 2 R7 R8 200 k Resistor chip 1 16 W...

Страница 7: ...aterials Board Layout and Schematic 4 2 Board Layout Figure 2 Top Layer 7 SLUU455 October 2010 bq24351EVM for Li Ion Charger Front End Protection IC Submit Documentation Feedback Copyright 2010 Texas...

Страница 8: ...ials Board Layout and Schematic www ti com Figure 3 Bottom Layer 8 bq24351EVM for Li Ion Charger Front End Protection IC SLUU455 October 2010 Submit Documentation Feedback Copyright 2010 Texas Instrum...

Страница 9: ...l of Materials Board Layout and Schematic Figure 4 Top Silk Screen 9 SLUU455 October 2010 bq24351EVM for Li Ion Charger Front End Protection IC Submit Documentation Feedback Copyright 2010 Texas Instr...

Страница 10: ...ials Board Layout and Schematic www ti com Figure 5 Top Assembly 10 bq24351EVM for Li Ion Charger Front End Protection IC SLUU455 October 2010 Submit Documentation Feedback Copyright 2010 Texas Instru...

Страница 11: ...it is operational www ti com Bill of Materials Board Layout and Schematic 4 3 Schematic Figure 6 bq24351 Schematic 11 SLUU455 October 2010 bq24351EVM for Li Ion Charger Front End Protection IC Submit...

Страница 12: ...uct 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...

Страница 13: ...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...