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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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MCP73841 데이터시트(PDF) 12 Page - Microchip Technology |
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MCP73841 데이터시트(HTML) 12 Page - Microchip Technology |
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12 / 24 page  FIGURE 4-1: Operational Flow Algorithm - MCP73841 and MCP73842. Preconditioning Phase Charge Current = IPREG Reset Safety Timer Yes Initialize No Yes VBAT > VPTH STAT1 = On VBAT > VPTH Yes VDD < VUVLO No No Safety Timer Yes Temperature OK No STAT1 = Flashing Safety Timer Suspended Charge Current = 0 Fault Charge Current = 0 Reset Safety Timer or EN Low No STAT1 = Flashing Constant-Current Charge Current = IREG Reset Safety Timer VBAT = VREG No No Safety Timer Yes Temperature OK Constant-Voltage Phase Output Voltage = VREG IOUT < ITERM Yes VBAT < VRTH Elapsed Timer Charge Termination Charge Current = 0 Reset Safety Timer No STAT1 = Off Yes Yes Temperature OK No STAT1 = Flashing Safety Timer Suspended Charge Current = 0 Yes Yes VDD < VUVLO or EN Low No Yes Yes Temperature OK No STAT1 = Flashing Charge Current = 0 Yes No STAT1 = Off VDD > VUVLO Phase Expired Expired No STAT1 = Flashing Safety Timer Suspended Charge Current = 0 EN High Expired Note: The qualification parameters are continuously monitored throughout the charge cycle. Note Note |
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