SBS Cmd Name
Access
Proto-
col
Type Min Max Unit
SE US FA
0x1E/1F MaxLoadCurrent() R Word I2 –32767 32768 mA
12.1.17 0x20/21 MaxLoadTimeToEmpty()
This read-word function returns the predicted remaining battery capacity based on the maximum load rate of
discharge.
SBS Cmd Name
Access
Proto-
col
Type Min Max Unit Note
SE US FA
0x20/21 MaxLoadTimeTimeToEmpty() R R R Word U2 0 65535 min
65535 = Battery is not being
discharged.
12.1.18 0x22/23 AveragePower()
This read-word function returns the average power during battery charging or discharging. It is negative due to
discharge and positive due to charge. A zero value indicates the battery is not being discharged.
SBS Cmd Name
Access
Proto-
col
Type Min Max Unit
SE US FA
0x22/23 AveragePower() R Word I2 –32767 32768 mW
12.1.19 0x28/29 InternalTemperature()
This read-word function returns the internal die temperature in units 0.1 K.
SBS Cmd Name
Access
Proto-
col
Type Min Max Unit
SE US FA
0x28/29 InternalTemperature() R Word U2 0 65535 0.1 K
12.1.20 0x2A/2B CycleCount()
This read-word function returns the number of discharge cycles the battery has experienced.
SBS Cmd Name
Access
Proto-
col
Type Min Max Unit
SE US FA
0x2A/2B CycleCount() R R/W R/W Word U2 0 65535 cycles
12.1.21 0x2C/2D RelativeStateOfCharge()
This read-word function returns the predicted remaining battery capacity as a percentage of
FullChargeCapacity().
SBS Cmd Name
Access
Proto-
col
Type Min Max Unit
SE US FA
0x2C/2D RelativeStateOfCharge() R Word U1 0 100 %
12.1.22 0x2E/2F State-of-Health (SOH)
This command returns the state-of-health (SOH) information of the battery in percentage of design capacity. It is
a read-only command.
SBS Cmd Name
Access
Proto-
col
Type Min Max Unit
SE US FA
0x2E/2F State-of-Health() R Word U1 0 100 %
12.1.23 0x30/31 ChargingVoltage()
This read-word function returns the desired charging voltage.
I2C Commands www.ti.com
70 BQ28Z610-R2 SLUUCO0 – APRIL 2022
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