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BQ24192 Datasheet(PDF) 34 Page - Texas Instruments |
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BQ24192 Datasheet(HTML) 34 Page - Texas Instruments |
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34 / 53 page  bq24190, bq24192, bq24192I SLUSAW5B – JANUARY 2012 – REVISED DECEMBER 2014 www.ti.com 9.5.1.9 System Status Register REG08 Figure 34. REG08 System Status Register Format 7 6 5 4 3 2 1 0 VBUS_STAT[1] VBUS_STAT[0] CHRG_STAT[1] CHRG_STAT[0] DPM_STAT PG_STAT THERM_STAT VSYS_STAT R R R R R R R R LEGEND: R = Read only; -n = value after reset Table 16. REG08 System Status Register Description BIT FIELD TYPE DESCRIPTION Bit 7 VBUS_STAT[1] R 00 – Unknown (no input, or DPDM detection incomplete), 01 – USB host, 10 – Adapter port, 11 – OTG Bit 6 VBUS_STAT[0] R Bit 5 CHRG_STAT[1] R 00 – Not Charging, 01 – Pre-charge (<VBATLOWV), 10 – Fast Charging, 11 – Charge Termination Done Bit 4 CHRG_STAT[0] R Bit 3 DPM_STAT R 0 – Not DPM, 1 – VINDPM or IINDPM Bit 2 PG_STAT R 0 – Not Power Good, 1 – Power Good Bit 1 THERM_STAT R 0 – Normal, 1 – In Thermal Regulation Bit 0 VSYS_STAT R 0 – Not in VSYSMIN regulation (BAT > VSYSMIN), 1 – In VSYSMIN regulation (BAT < VSYSMIN) 9.5.1.10 Fault Register REG09 Figure 35. REG09 Fault Register Format 7 6 5 4 3 2 1 0 WATCHDOG_ BOOST_ CHRG_FAULT[1] CHRG_FAULT[0] BAT_FAULT NTC_FAULT[2] NTC_FAULT[1] NTC_FAULT[0] FAULT FAULT R R R R R R R R LEGEND: R = Read only; -n = value after reset Table 17. REG09 Fault Register Description BIT FIELD TYPE DESCRIPTION Bit 7 WATCHDOG_FAULT R 0 – Normal, 1- Watchdog timer expiration Bit 6 BOOST_FAULT R 0 – Normal, 1 – VBUS overloaded (OCP), or VBUS OVP in boost mode Bit 5 CHRG_FAULT[1] R 00 – Normal, 01 – Input fault (VBUS OVP or VBAT < VBUS < 3.8 V), 10 - Thermal shutdown, Bit 4 CHRG_FAULT[0] R 11 – Charge Safety Timer Expiration Bit 3 BAT_FAULT R 0 – Normal, 1 – BATOVP Bit 2 NTC_FAULT[2] R 000 – Normal, 001 – TS1 Cold, 010 – TS1 Hot, 011 – TS2 Cold, 100 – TS2 Hot, 101 – Both Cold, 110 – Both Hot Bit 1 NTC_FAULT[1] R Bit 0 NTC_FAULT[0] R 34 Submit Documentation Feedback Copyright © 2012–2014, Texas Instruments Incorporated Product Folder Links: bq24190 bq24192 bq24192I |
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