BQ20Z70 Datasheet, PDF (12/22 Pages) Texas Instruments – SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK™ TECHNOLOGY FOR USE WITH THE bq29330

bq20z70
SLUS686A – NOVEMBER 2005 – REVISED JUNE 2006
Table 2. EXTENDED SBS COMMANDS
SBS
Cmd
0x45
0x46
0x4f
0x51
0x53
0x54
0x55
0x57
0x5a
0x5d
0x60
0x61
0x62
0x63
0x64
0x65
0x66
0x70
0x71
0x77
0x78
0x79
0x7a
0x7b
0x7c
0x7d
0x7e
0x7f
Mode Name
R
AFEData
R/W FETControl
R
StateOfHealth
R
SafetyStatus
R
PFStatus
R
OperationStatus
R
ChargingStatus
R
ResetData
R
PackVoltage
R
AverageVoltage
R/W UnSealKey
R/W FullAccessKey
R/W PFKey
R/W AuthenKey3
R/W AuthenKey2
R/W AuthenKey1
R/W AuthenKey0
R/W ManufacturerInfo
R/W SenseResistor
R/W SubClassID
R/W SubClassPage1
R/W SubClassPage2
R/W SubClassPage3
R/W SubClassPage4
R/W SubClassPage5
R/W SubClassPage6
R/W SubClassPage7
R/W SubClassPage8
Format
String
hex
unsigned int
hex
hex
hex
hex
hex
unsigned int
unsigned int
hex
hex
hex
hex
hex
hex
hex
String
unsigned int
hex
hex
hex
hex
hex
hex
hex
hex
hex
Size in
Bytes
11+1
1
1
2
2
2
2
2
2
2
4
4
4
4
4
4
4
8+1
2
2
32
32
32
32
32
32
32
32
NOTE:
Min Value Max Value
—
—
0x00
0xff
0
100
0x0000
0xffff
0x0000
0xffff
0x0000
0xffff
0x0000
0xffff
0x0000
0xffff
0
65535
0
65535
0x00000000 0xffffffff
0x00000000 0xffffffff
0x00000000 0xffffffff
0x00000000 0xffffffff
0x00000000 0xffffffff
0x00000000 0xffffffff
0x00000000 0xffffffff
—
—
0
65535
0x0000
0xffff
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
All reserved bits in Data Flash should be written to zero.
Default Value
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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Unit
ASCII
%
mV
mV
µΩ
Class
1st Level
Safety
1st Level
Safety
1st Level
Safety
1st Level
Safety
1st Level
Safety
1st Level
Safety
1st Level
Safety
1st Level
Safety
Subclass
ID
0
Subclass
Voltage
0
Voltage
0
Voltage
0
Voltage
1
Current
1
Current
1
Current
1
Current
Table 3. DATAFLASH VALUES
Offset Name
0
COV Threshold
Data
Type
I2
Min Value Max
Value
3700
5000
Default Value Units
4300
mV
3
COV Recovery
I2
0
4400
3900
mV
12
CUV Threshold
I2
0
3500
2200
mV
15
CUV Recovery
I2
0
3600
3000
mV
0
OC (1st Tier) Chg
I2
0
20000 6000
mA
5
OC (1st Tier) Dsg
I2
0
20000 6000
mA
16
Current Recovery Time
U1
0
60
8
s
17
AFE OC Dsg
H1
0x00
0x1f
0x12
12
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