BQ20Z80ADBTR Datasheet, PDF (12/25 Pages) Texas Instruments – SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK

bq20z80
bq20z80A
SLUS782 – JULY 2007
SBS
Cmd
0x45
0x46
0x4f
0x50
0x51
0x52
0x53
0x54
0x55
0x57
0x58
0x5a
0x5d
0x60
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
SafetyAlert
R
SafetyStatus
R
PFAlert
R
PFStatus
R
OperationStatus
R
ChargingStatus
R
ResetData
R
WDResetData
R
PackVoltage
R
AverageVoltage
R/W UnSealKey
R/W PFKey
R/W AuthenKey3
R/W AuthenKey2
R/W AuthenKey1
R/W AuthenKey0
R/W ManufacturerInfo
R/W SenseResistor
R/W DataflashClass
R/W DataFlashSubClass1
R/W DataFlashSubClass2
R/W DataFlashSubClass3
R/W DataFlashSubClass4
R/W DataFlashSubClass5
R/W DataFlashSubClass6
R/W DataFlashSubClass7
R/W DataFlashSubClass8
Table 2. EXTENDED SBS COMMANDS
Format
String
hex
unsigned int
hex
hex
hex
hex
hex
hex
hex
unsigned int
unsigned int
unsigned int
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
2
2
2
4
4
4
4
4
4
8+1
2
2
32
32
32
32
32
32
32
32
Min Value Max Value
—
—
0x00
0xff
0
100
0x0000
0xffff
0x0000
0xffff
0x0000
0xffff
0x0000
0xffff
0x0000
0xffff
0x0000
0xffff
0x0000
0xffff
0
65535
0
65535
0
65535
0x00000000 0xffffffff
0x00000000 0xffffffff
0x00000000 0xffffffff
0x00000000 0xffffffff
0x00000000 0xffffffff
0x00000000 0xffffffff
—
—
0
65535
0x0000
0xffff
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Default Value
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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Unit
ASCII
%
mV
mV
μΩ
Firmware Version Changes
bq20z80-V102 to bq20z80-V110 Changes
Table 3. CHANGE DETAILS
CHANGE
bq0z80-V110
Allows alarm based on
remaining battery energy
DF.Remaining Energy Alarm
added
Permanent fail fuse blow can [PRE_ZT_PF_En] in
be disabled, if IT not enabled DF.Operation Cfg C added
changed max time the LED
stays on after display is
activated
DF.LED Hold Time max time is
16s
Prevent false detection of
AFE_C
Reset AFE comm and clear the
afe_fail count in case AFE in
unknown comm state at reset
bq20z80-V102
COMMENTS
Feature not available
make bq20z80 compatible to
bq20z90
Feature not available
prevents accidental fuse blow
during production and testing
DF.LED Hold Time max time is 255s reliable LED display timings
Prevents a AFE_C during a WD
Reset
12
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