BQ25703A Datasheet, PDF (47/81 Pages) Texas Instruments – I2C Multi-Chemistry Battery Buck-Boost Charge Controller With System Power Monitor and Processor Hot Monitor

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8.6.2 Charge and PROCHOT Status
8.6.2.1 ChargerStatus Register (I2C address = 21/20h) [reset = 0000h]
bq25703A
SLUSCU1 – MAY 2017
Figure 30. ChargerStatus Register (I2C address = 21/20h) [reset = 0000h]
15
AC_STAT
R
14
ICO_DONE
R
13
Reserved
R
12
IN_VINDPM
R
11
IN_IINDPM
R
10
IN_FCHRG
R
9
IN_PCHRG
R
8
IN_OTG
R
7
6
5
4
Fault ACOV Fault BATOC Fault ACOC
SYSOVP_
STAT
R
R
R
R
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
3
Reserved
R
2
Fault Latchoff
R
1
Fault_OTG_
OVP
R
0
Fault_OTG_
OCP
R
Table 19. ChargerStatus Register (I2C address = 21h) Field Descriptions
I2C
21h
FIELD
TYPE RESET DESCRIPTION
7 AC_STAT
R
0b
Input source status, same as CHRG_OK bit
0b: Input not present
1b: Input is present
6 ICO_DONE
R
0b
After the ICO routine is successfully executed, the bit goes 1.
0b: ICO is not complete
1b: ICO is complete
5 Reserved
R
0b
Reserved
4 IN_VINDPM
R
0b
0b: Charger is not in VINDPM during forward mode, or voltage
regulation during OTG mode
1b: Charger is in VINDPM during forard mode, or voltage regulation
during OTG mode
3 IN_IINDPM
R
0b
0b: Charger is not in IINDPM
1b: Charger is in IINDPM
2 IN_FCHRG
R
0b
0b: Charger is not in fast charge
1b: Charger is in fast charger
1 IN_PCHRG
R
0b
0b: Charger is not in pre-charge
1b: Charger is in pre-charge
0 IN_OTG
R
0b
0b: Charger is not in OTG
1b: Charge is in OTG
Table 20. ChargerStatus Register (I2C address = 20h) Field Descriptions
I2C
20h
FIELD
7 Fault ACOV
6 Fault BATOC
5 Fault ACOC
TYPE
R
R
R
RESET
0b
0b
0b
DESCRIPTION
The faults are latched until a read from host.
0b: No fault
1b: ACOV
The faults are latched until a read from host.
0b: No fault
1b: BATOC
The faults are latched until a read from host.
0b: No fault
1b: ACOC
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