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数据搜索系统，热门电子元器件搜索 |
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MCP73853 数据表(PDF) 2 Page - Microchip Technology |
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MCP73853 数据表(HTML) 2 Page - Microchip Technology |
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2 / 32 page  MCP73853/55 DS21915C-page 2 2004-2013 Microchip Technology Inc. Typical Application Functional Block Diagram EN STAT1 VSET VDD1 VSS TIMER PROG VBAT1 VBAT2 + – Single Lithium-Ion Cell 3 2 MCP73855 5 6 4, 7 9 8 10 1 5V 4.7 µF 400 mA Lithium-Ion Battery Charger 4.7 µF 0.1 µF + – Charge Termination Comparator Voltage Control Amplifier + – UVLO COMPARATOR VUVLO + - Temperature Comparators + - Bias and Reference Generator VUVLO VREF(1.2V) Power-On Delay VREF VREF Oscillator IREG/12 Constant-voltage/ Recharge Comp. Precondition Control Charge_OK Precon. VDD Charge Current Control Amplifier + – VREF VREF Precondition Comp. Charge Control, Charge Timers, and Status Logic Drv Stat 2 Drv Stat 1 Charge_OK IREG/12 VDD1 THERM EN TIMER STAT1 STAT2 VBAT3 VSS1 PROG VSET THREF VBAT1 90 110 k 10 k 10 k 100 k 50 k 50 k G = 0.001 11 k 3k 600 k 149 k 1.58 k VDD2 VBAT2 300 k 10.3 k 4k Direction Control k VSS2 VSS3 MCP73853 ONLY MCP73853 ONLY |
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