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BQ24192_15 Datasheet, PDF (34/52 Pages) Texas Instruments – bq2419x I2C Controlled 4.5-A Single Cell USB/Adapter Charger with Narrow VDC Power Path Management and USB OTG | |||
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bq24190, bq24192, bq24192I
SLUSAW5B â JANUARY 2012 â REVISED DECEMBER 2014
9.5.1.9 System Status Register REG08
www.ti.com
Figure 34. REG08 System Status Register Format
7
6
5
VBUS_STAT[1] VBUS_STAT[0] CHRG_STAT[1]
R
R
R
LEGEND: R = Read only; -n = value after reset
4
CHRG_STAT[0]
R
3
DPM_STAT
R
2
PG_STAT
R
1
THERM_STAT
R
0
VSYS_STAT
R
Table 16. REG08 System Status Register Description
BIT
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
FIELD
VBUS_STAT[1]
VBUS_STAT[0]
CHRG_STAT[1]
CHRG_STAT[0]
DPM_STAT
PG_STAT
THERM_STAT
VSYS_STAT
TYPE
R
R
R
R
R
R
R
R
DESCRIPTION
00 â Unknown (no input, or DPDM detection incomplete), 01 â USB host, 10 â Adapter
port, 11 â OTG
00 â Not Charging, 01 â Pre-charge (<VBATLOWV), 10 â Fast Charging, 11 â Charge
Termination Done
0 â Not DPM, 1 â VINDPM or IINDPM
0 â Not Power Good, 1 â Power Good
0 â Normal, 1 â In Thermal Regulation
0 â Not in VSYSMIN regulation (BAT > VSYSMIN), 1 â In VSYSMIN regulation (BAT <
VSYSMIN)
9.5.1.10 Fault Register REG09
Figure 35. REG09 Fault Register Format
7
6
5
WATCHDOG_ BOOST_ CHRG_FAULT[1]
FAULT
FAULT
R
R
R
LEGEND: R = Read only; -n = value after reset
4
CHRG_FAULT[0]
R
3
BAT_FAULT
R
2
NTC_FAULT[2]
R
1
NTC_FAULT[1]
R
0
NTC_FAULT[0]
R
BIT
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
FIELD
WATCHDOG_FAULT
BOOST_FAULT
CHRG_FAULT[1]
CHRG_FAULT[0]
BAT_FAULT
NTC_FAULT[2]
NTC_FAULT[1]
NTC_FAULT[0]
Table 17. REG09 Fault Register Description
TYPE
R
R
R
R
R
R
R
R
DESCRIPTION
0 â Normal, 1- Watchdog timer expiration
0 â Normal, 1 â VBUS overloaded (OCP), or VBUS OVP in boost mode
00 â Normal, 01 â Input fault (VBUS OVP or VBAT < VBUS < 3.8 V), 10 - Thermal
shutdown,
11 â Charge Safety Timer Expiration
0 â Normal, 1 â BATOVP
000 â Normal, 001 â TS1 Cold, 010 â TS1 Hot, 011 â TS2 Cold,
100 â TS2 Hot, 101 â Both Cold, 110 â Both Hot
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