BQ27425-G2_14 Datasheet, PDF (20/35 Pages) Texas Instruments – System-Side Impedance Track™ Fuel Gauge With Integrated Sense Resistor

bq27425-G2
SLUSB23A – OCTOBER 2012 – REVISED FEBRUARY 2013
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The Operation Configuration (Op Config) Register
Gauge operation is configured via the Operation Configuration (Op Config) data NVM register, as indicated in
Table 8. This register is programmed/read via the methods described in Section Accessing the Data NVM.
bit7
High Byte SMOOTHEN
Default =
1
Low Byte
Default =
RSVD1
1
Table 8. Op Config Register Definition
bit6
RSVD0
0
RSVD1
1
bit5
BIE
0
SLEEP
1
bit4
bit3
BI_PU_EN
RSVD1
0
1
0x89
RMFCC
RSVD1
1
1
0xF8
bit2
RSVD0
0
BATLOWEN
0
bit1
RSVD0
0
GPIOPOL
0
bit0
RSVD1
1
TEMPS
0
SMOOTHEN = Enables the SOC smoothing feature. (See SOC Smoothing Feature.) True when set.
BIE = Battery Insertion Enable. If set, the battery insertion is detection via BIN pin input. If cleared, the detection relies
on the host to issue BAT_INSERT subcommand to indicate battery presence in the system.
BI_PU_EN = Enables internal weak pull-up on BIN pin. True when set. If false, an external pull-up resistor is expected.
SLEEP = The fuel gauge can enter sleep, if operating conditions allow. True when set.
RMFCC = RM is updated with the value from FCC on valid charge termination. True when set.
BATLOWEN = If set, the BAT_LOW function for GPOUT pin is selected. If cleared, the SOC_INT function is selected for
GPOUT.
GPIO_POL = GPOUT pin is active-high if set or active-low if cleared.
TEMPS = Selects the temperature source. Enables the host to write Temperature( ) if set. If cleared, the internal
temperature sensor is used for Temperature( ).
RSVD0 = Reserved. Default is 0. (Set to 0 for proper operation)
RSVD1 = Reserved. Default is 1. (Set to 1 for proper operation)
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