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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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BQ2002D/T 数据表(PDF) 3 Page - Texas Instruments |
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BQ2002D/T 数据表(HTML) 3 Page - Texas Instruments |
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3 / 21 page  3 bq2002D/T Chip on VCC 4.0V Battery Voltage too High? Battery Temperature? Charge Pending Fast Charge, CC = Z LED = Low SD2002D.eps VBAT < 2V VBAT < 2V and VBAT > 2V Off, CC = Low LED = Low Off, CC = Low LED = Z VBAT > 2V VBAT 2V VTS > 0.25V VCC VTS > 0.25V VCC VTS < 0.25V VCC VBAT > 2V or VTS < 0.25V VCC or Maximum Time Out T/ t or Figure 2. bq2002D State Diagram Chip on VCC 4.0V Battery Voltage too High? ( T/ t or Maximum Time Out) and TM = High Battery Temperature? Charge Pending Fast LED = Low Top-off LED = Z SD2002T.eps VBAT < 2V VBAT> 2V 0.25 VCC < VTS < 0.4 VCC Trickle LED = Low Trickle LED = Z VBAT > 2V or VTS < 0.225 VCC or Maximum Time Out VBAT > 2V or VTS < 0.225 VCC or (( T/ t or Maximum Time Out) and TM = High) VBAT < 2V and VTS < 0.4 VCC and VTS > 0.25 VCC VBAT > 2V VBAT 2V VTS > 0.4 VCC or VTS < 0.25 VCC Figure 3. bq2002T State Diagram |
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