Texas Instruments BQ28Z610-R2, Technical Reference Manual

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13.6.10 State
Class Subclass Name Type Min Max Default Unit Description
Gas
Gauging
State QMax Cell 0 I2 0 32767 4400 mAh QMax Cell 0
Gas
Gauging
State QMax Cell 1 I2 0 32767 4400 mAh QMax Cell 1
Gas
Gauging
State QMax Pack I2 0 32767 4400 mAh QMax of the whole stack
Gas
Gauging
State
QMax Cycle
count
U2 0 65535 0 The CycleCount() when QMax updated
Gas
Gauging
State Update Status H1 0x00 0xFF 0
Bit 1:0: Update1, Update0
Update Status
0,0 = Impedance Track gauging and lifetime
updating is disabled.
0,1 = QMax updated
1,0 = QMax and Ra table have been updated
Bit 2: Enable—Impedance Track gauging and
lifetime updating is enabled.
0 = Disabled
1 = Enabled
Bit 3: QMax update in the field
0 = Not updated
1 = Updated
Bit 7:4: Reserved
Gas
Gauging
State
Cell 0 Chg
Voltage at EoC
I2 0 32767 4200 mV Cell 0 voltage value at end of charge
Gas
Gauging
State
Cell 1 Chg
Voltage at EoC
I2 0 32767 4200 mV Cell 1 voltage value at end of charge
Gas
Gauging
State Current at EoC I2 –32768 32767 250 mA Current at end of charge
Gas
Gauging
State Avg I Last Run I2 –32768 32767 –2000 mA Average current last discharge cycle
Gas
Gauging
State Avg P Last Run I2 –32768 32767 –3022 10 mW Average power last discharge cycle
Gas
Gauging
State Delta Voltage I2 –32768 32767 0 mV
Voltage() delta between normal and short load
spikes to optimize run time calculation
Gas
Gauging
State Temp k I2 0 32767 100
0.1°C/
256 cW
Initial thermal model temperature factor
Gas
Gauging
State Temp a I2 0 32767 1000 — Initial thermal model temperature
Gas
Gauging
State Max I Last Run I2 –32768 32767 –2000 mA Max current last discharge cycle
Gas
Gauging
State Max P Last Run I2 –32768 32767 –3022 10 mW Max power last discharge cycle
Gas
Gauging
State Cycle count U2 0 65535 0 Cycle count
Value reported by CycleCount() . Updated by
the gauge automatically when accumulated
discharge exceeds the threshold set by
Cycle
Count Percentage
Gas
Gauging
State SOH Temp k I2 0 32767 100
0.1°C/
256 cW
Initial thermal model temperature factor for SOH
Gas
Gauging
State SOH Temp a I2 0 32767 1000 — Initial thermal model temperature factor for SOH
13.6.11 IT Config
Class Subclass Name Type Min Max Default Unit Description
Gas Gauging IT Cfg
Pack
Resistance
I2 0 32767 30 mΩ
Gas Gauging IT Cfg
System
Resistance
I2 0 32767 0 mΩ
www.ti.com Data Flash Values
SLUUCO0 – APRIL 2022
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