BQ25872 Datasheet, PDF (29/68 Pages) Texas Instruments – Battery Switch Charger

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bq25872
SLUSCQ6 – OCTOBER 2016
8.5 I²C Register Maps
8.5.1 I²C Register Summary Table
Table 2. I²C Register Summary Table
I²C ADDRESS
R/W
REGISTER NAME
DESCRIPTION
POR STATE
0x00
R
DEVICE_INFO
Device rev and device ID
0x03
0x01
R/W
EVENT_1_MASK Masks INT toggle of events in EVENT_1
0x00
0x02
R/W
EVENT_2_MASK Masks INT toggle of events in EVENT_2
0x00
0x03
R
EVENT_1
First event register
0x00
0x04
R
EVENT_2
Second event register
0x00
0x05
R/W
EVENT_1_EN
Enables/disables protection in EVENT_1 register
0xFE
0x06
R/W
CONTROL
Settings for battery switch, watchdog, reset, and RCP
threshold
0x2C
0x07
R/W
ADC_CTRL
Contains ADC control bits such as enable/disable, rate, and
number of samples to take
0x87
0x08
R/W
ADC_MASK
Controls which parameters the ADC converts – first set
0xFF
0x09
R/W
PROTECTION
Deglitch setting and VBUS OCP threshold
0xA0
0x0A
R/W
VBUS_OVP
Sets VBUS OVP threshold
5.49 V
0x0B
R/W
VOUT_REG
Sets VOUT voltage regulation threshold
4.4 V
0x0C
R/W
VDROP_OVP
Sets the VDROP OVP threshold
300 mV
0x0D
R/W
VDROP_ALM
Sets the VDROP alarm threshold
100 mV
0x0E
R/W
VBAT_REG
Battery (BATP – BATN) regulation threshold
4.3 V
0x0F
R/W
IBAT_REG
Sets battery current regulation threshold
2A
0x10
R/W
IBUS_REG
Sets VBUS REG threshold
5A
0x11
R/W
TS_BUS_FLT
Sets VBUS temperature threshold
0.6 V
0x12
R/W
TS_BAT_FLT
Sets battery temperature threshold
0.7 V
0x13
0x14
R
VBUS_ADC
R
ADC output of VBUS voltage measurement
0x00
0x00
0x15
0x16
R
IBUS_ADC
R
ADC output of VBUS current measurement
0x00
0x00
0x17
0x18
R
VOUT_ADC
R
ADC output of VOUT voltage measurement
0x00
0x00
0x19
0x1A
R
VDROP_ADC
ADC output of (VBUS – VOUT) voltage measurement
R
0x00
0x00
0x1B
0x1C
R
VBAT_ADC
R
ADC output of battery voltage measurement
0x00
0x00
0x1D
0x1E
R
IBAT_ADC
R
ADC output of battery current measurement
0x00
0x00
0x1F
0x20
R
TBUS_ADC
R
ADC output of TS_BUS voltage
0x00
0x00
0x21
0x22
R
TBAT_ADC
R
ADC output of TS_BAT voltage
0x00
0x00
0x23
R
DIE_TEMP_ADC ADC output of the die temperature
0x00
0x24
R/W
EVENT_3_EN
Enables/disables protection in EVENT_3 register
0x04
0x25
R/W
EVENT_3_MASK Masks INT toggle of events in EVENT_3
0x00
0x26
R/W
EVNET_3
Third event register
0x00
0x27
R
VUSB_ADC
ADC output of VUSB voltage
0x00
0x28
R
0x00
0x29
R/W
CONTROL_2
VUSB settings
0x6E
0x40
R/W
TDIE_TEMP_FLT Setting die over temperature fault threshold
0x03
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