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BQ29330DBTG4 Datasheet(PDF) 5 Page - Texas Instruments |
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BQ29330DBTG4 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 26 page  www.ti.com SAFETY STATE DIAGRAM No Power Supply UVLO Mode CHG: OFF DSG: OFF ZVCHG: OFF VREG: OFF RST: HIGH I2 C: Disabled Current Protection: Disabled VCELL: Disabled Watchdog: Disabled Therm, Output: Disabled Power Supply to PACK Normal Mode CHG: ON DSG: ON ZVCHG: OFF VREG/VLED: 2.5V/3.3V RST: Driven low after tRST I2C: Enabled Current Protection: Enabled VCELL: Enabled Watchdog: Enabled Therm, Output: Enabled LEGEND: UVLO = Undervoltage Lock Out KEY: Disabled = OFF and cannot be changed via firmware Enabled= Can be changed by firmware Internal VLED < 2.3 V Firmware Command 32 kHz Input Halted and t WTO expired 32 kHz Resumes Internal VLED> 2.4 V Power Supply to PACK Current Protection Mode CHG: OFF DSG: OFF ZVCHG: OFF VREG/VLED: 2.5 V/3.3 V I2C: Enabled Current Protection: Enabled VCELL: Enabled Watchdog: Enabled Therm, Output: Enabled WTO Mode CHG: OFF DSG: OFF ZVCHG: OFF RST: Pulsed I2C: Enabled Current Protection: Enabled VCELL: Enabled Watchdog: Enabled Therm, Output: Enabled Ship Mode CHG: OFF DSG: OFF ZVCHG: OFF I2C: Disabled Current Protection: Disabled VCELL: Disabled Watchdog: Disabled Therm, Output: Disabled Sleep Mode CHG: OFF DSG: OFF ZVCHG: OFF I2 C: Enabled Current Protection: Enabled VCELL: Enabled Watchdog: Enabled Therm, Output: Disabled Firmware Command Firmware Command & No Supply to PACK Firmware Command Firmware Command 32 kHz Input Halted and tWTOexpired FirmwareCommand VREG/VLED: 2.5 V/3.3 V VREG/VLED: ON/ON VREG/VLED: OFF/OFF DSG: OFF No supply PACK voltage Mode DSG: OFF Firmware Command V > V or V for a period of t or t Respectively, or V > V SR OL SCD OL SCD SR SCC for a period of t SCC bq29330 SLUS673A – SEPTEMBER 2005 – REVISED DECEMBER 2005 5 |
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