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BQ77PL900DL Datasheet(PDF) 8 Page - Texas Instruments |
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BQ77PL900DL Datasheet(HTML) 8 Page - Texas Instruments |
8 / 57 page UVLO Mode Shutdown Mode Power Supply to PACK Internal V REG2 > 2.4 V Internal V REG2 < 2.3 V Power Supply to PACK DSG: OFF Any State NoPowerSupply CHG: OFF DSG: OFF VREG1: OFF VREG2: OFF XRST:LOW I C: Disabled UVProtection:Disabled OV Protection: Disabled Current Protection: Disabled Thermal Protection: Disabled 2 CHG: OFF DSG: OFF VREG1: OFF VREG2: OFF XRST:LOW I C: Disabled Current Protection: Disabled VCELL: Disabled Watchdog: Disabled Thermal Protection: Disabled 2 FirmwareCommand and NoSupplytoPACK Firmware Command Firmware Command FirmwareCommand NoSupplyPACK Voltage Mode CHG: OFF DSG: OFF VREG1: ON VREG2: ON XRST:HIGH I C:Enabled UVProtection:Enabled OV Protection: Enabled Current Protection: Disabled Thermal Protection: Enabled 2 CHG: ON DSG: OFF VREG1: ON VREG2: ON XRST:HIGH I C:Enabled UVProtection:Disabled OV Protection: Enabled Current Protection:Enabled Thermal Protection: Enabled 2 CHG: ON DSG: ON VREG1: ON VREG2: ON XRST:HIGH I C:Enabled UVProtection:Enabled OV Protection: Enabled Current Protection:Enabled Thermal Protection: Enabled 2 CurrentProtection Mode DischargeSide CHG: OFF DSG: OFF VREG1: ON VREG2: ON XRST:HIGH I C:Enabled UVProtection:Enabled OV Protection: Enabled Current Protection:Enabled Thermal Protection: Disabled 2 Overtemperature Protection Mode CHG: OFF DSG: ON VREG1: ON VREG2: ON XRST:HIGH I C:Enabled UVProtection:Enabled OV Protection: Disabled Current Protection:Enabled Thermal Protection: Enabled 2 Overvoltage Protection Mode Undervoltage Protection Mode Normal Mode V >V orV foraperiodof t ort SR OC SC OC SC Firmware Command V <V cell UV or V >V cell OV or AllCell Voltage> V + V or (V – V >0.4Vand All CellVoltage < V ),then FirmwareCommand UV UV pack bat UV AllCell Voltage< V ,then FirmwareCommand OV TurnOn T and V <0.975V out IN TurnOn T and V > 1.075V, thenFirmware Command out IN B0327-01 bq77PL900 SLUS844 – JUNE 2008 ...................................................................................................................................................................................................... www.ti.com Figure 4. Host-Control Mode 8 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): bq77PL900 |
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