BQ27541-V200_17 Datasheet, PDF (21/46 Pages) Texas Instruments – Single Cell Li-Ion Battery Fuel Gauge for Battery Pack Integration

Not Recommended for New Designs
bq27541-V200
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SLUSA11B – FEBRUARY 2010 – REVISED SEPTEMBER 2013
Class
Configuration
Configuration
Configuration
System Data
System Data
System Data
LT Data
LT Data
LT Data
LT Data
LT Data
LT Data
LT Data
Configuration
LT Data
LT Data
LT Data
LT Data
Configuration
Configuration
Configuration
Configuration
Configuration
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gaigomg
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Subclass
ID
56
56
56
58
58
58
59
59
59
59
59
59
60
64
66
66
66
66
68
68
68
68
68
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
81
81
81
81
81
81
81
82
82
82
82
82
82
Table 7. Data Flash Summary (continued)
Subclass
Offset
Manufacturer Data
Manufacturer Data
Manufacturer Data
Manufacturer Info
Manufacturer Info
Manufacturer Info
Lifetime Data
Lifetime Data
Lifetime Data
Lifetime Data
Lifetime Data
Lifetime Data
Lifetime Temp Samples
Registers
Lifetime Resolution
Lifetime Resolution
Lifetime Resolution
Lifetime Resolution
Power
Power
Power
Power
Power
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
Current Thresholds
Current Thresholds
Current Thresholds
Current Thresholds
Current Thresholds
Current Thresholds
Current Thresholds
State
State
State
State
State
State
6
8
10
0 - 31
32 - 63
64 - 95
0
2
4
6
8
10
0
0
0
1
2
3
0
2
11
13
15
0
1
21
22
25
50
53
57
59
61
63
67
68
70
72
73
74
76
77
0
2
4
6
8
9
10
0
2
4
5
7
9
Name
Hardware Revision
Cell Revision
DF Config Version
Block A [0 - 31]
Block B [0 - 31]
Block C [0 - 31]
Lifetime Max Temp
Lifetime Min Temp
Lifetime Max Pack Voltage
Lifetime Min Pack Voltage
Lifetime Max Chg Current
Lifetime Max Dsg Current
LT Flash Cnt
Pack Configuration
LT Temp Res
LT V Res
LT Cur Res
LT Update Time
Flash Update OK Voltage
Sleep Current
Hibernate I
Hibernate V
FS Wait
Load Select
Load Mode
Max Res Factor
Min Res Factor
Ra Filter
Terminate Voltage
Res Relax Time
User Rate-mA
User Rate-mW
Reserve Cap-mAh
Reserve Cap-mWh
Max Scale Back Grid
Max Delta V
Min Delta V
Max Sim Rate
Min Sim Rate
Ra Max Delta
Qmax Max Delta %
DeltaV Max Delta
Dsg Current Threshold
Chg Current Threshold
Quit Current
Dsg Relax Time
Chg Relax Time
Quit Relax Time
Max IR Correct
Qmax Cell 0
Cycle Count
Update Status
V at Chg Term
Avg I Last Run
Avg P Last Run
Data
Type
H2
H2
H2
H1
H1
H1
I2
I2
I2
I2
I2
I2
U2
H2
U1
U1
U1
U2
I2
I2
U2
U2
U1
U1
U1
U1
U1
U2
I2
U2
I2
I2
I2
I2
U1
U2
U2
U1
U1
U2
U1
U2
I2
I2
I2
U2
U1
U1
U2
I2
U2
H1
I2
I2
I2
Min Value Max Value Default Value
0
0
0
0
0
0
0
–600
0
0
–32767
–32767
0
0
0
0
0
0
0
0
0
2400
0
0
0
0
0
0
2800
0
2000
3000
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
–32768
–32768
FFFF
FFFF
FFFF
FF
FF
FF
1400
1400
32767
32767
32767
32767
65535
FFFF
255
255
255
65535
4200
100
700
3000
255
255
255
255
255
1000
3700
65535
9000
14000
9000
14000
15
65535
65535
255
255
65535
100
65535
2000
2000
1000
8191
255
63
1000
32767
65535
6
5000
32767
32767
0
0
0
0
0
0
300
200
3200
3500
0
0
0
x0177
10
25
100
60
2800
10
8
2550
0
1
0
15
3
500
3000
200
0
0
0
0
4
200
0
2
20
44
5
10
60
75
40
60
60
1
400
1000
0
0
4200
–299
–1131
Units
–
–
–
–
–
–
0.1°C
0.1°C
mV
mV
mA
mA
Count
–
0.1°C
mV
mA
s
mV
mA
mA
mV
s
–
–
num
num
500
mV
sec
mA
cW
mAh
cWh
num
mV
mV
C/rate
C/rate
mOhm
mAhr
mV
mA
mA
mA
s
s
s
mV
mAh
Count
num
mV
mA
mA
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