BQ20Z40-R1 Datasheet, PDF (11/16 Pages) Texas Instruments – SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK™ TECHNOLOGY FOR USE WITH THE bq29330

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SBS Commands
SBS Cmd Mode Name
0x00
0x01
R/W ManufacturerAccess
R/W RemainingCapacityAlarm
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0a
0x0b
0x0c
0x0d
0x0e
0x0f
R/W RemainingTimeAlarm
R/W BatteryMode
R/W AtRate
R
AtRateTimeToFull
R
AtRateTimeToEmpty
R
AtRateOK
R
Temperature
R
Voltage
R
Current
R
AverageCurrent
R
MaxError
R
RelativeStateOfCharge
R
AbsoluteStateOfCharge
R/W RemainingCapacity
0x10
R
FullChargeCapacity
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
R
RunTimeToEmpty
R
AverageTimeToEmpty
R
AverageTimeToFull
R
ChargingCurrent
R
ChargingVoltage
R
BatteryStatus
R/W CycleCount
R/W DesignCapacity
0x19
0x1a
0x1b
0x1c
0x20
0x21
0x22
0x23
0x2f
0x3c
0x3d
0x3e
0x3f
R/W DesignVoltage
R/W SpecificationInfo
R/W ManufactureDate
R/W SerialNumber
R/W ManufacturerName
R/W DeviceName
R/W DeviceChemistry
R/W ManufacturerData
R/W Authenticate
R
CellVoltage4
R
CellVoltage3
R
CellVoltage2
R
CellVoltage1
Table 2. SBS COMMANDS
Format
hex
unsigned int
Size in
Bytes
2
2
Min
Value
0x0000
0
unsigned int
2
hex
2
signed int
2
unsigned int
2
unsigned int
2
unsigned int
2
unsigned int
2
unsigned int
2
signed int
2
signed int
2
unsigned int
1
unsigned int
1
unsigned int
1
unsigned int
2
0
0x0000
-32768
0
0
0
0
0
-32768
-32768
0
0
0
0
unsigned int
2
0
unsigned int
2
unsigned int
2
unsigned int
2
unsigned int
2
unsigned int
2
hex
2
unsigned int
2
unsigned int
2
0
0
0
0
0
0x0000
0
0
unsigned int
hex
unsigned int
hex
String
String
String
String
String
unsigned int
unsigned int
unsigned int
unsigned int
2
2
2
2
20+1
20+1
4+1
14+1
20+1
2
2
2
2
0
0x0000
—
0x0000
—
—
—
—
—
0
0
0
0
bq20z40-R1
SLUS993 – DECEMBER 2009
Max
Value
0xffff
65535
Default Value
—
300
65535 10
0xe383 —
32767 —
65534 —
65534 —
65535 —
65535 —
65535 —
32767 —
32767 —
100
—
100
—
100+
—
65535 —
65535 —
65534
65534
65534
65534
65534
0xdbff
65535
65535
—
—
—
—
—
—
—
4400
65535
0xffff
—
0xffff
—
—
—
—
—
65535
65535
65535
65535
14400
0x0031
01-Jan-1980
0x0001
Texas Inst.
bq20z40-R1
LION
—
—
—
—
—
—
Unit
mAh or
10mWh
min
mA or 10mW
min
min
0.1°K
mV
mA
mA
%
%
%
mAh or
10mWh
mAh or
10mWh
min
min
min
mA
mV
mAh or
10mWh
mV
—
—
—
—
—
—
mV
mV
mV
mV
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