BQ27425-G2_15 Datasheet, PDF (24/39 Pages) Texas Instruments – Fuel Gauge With Integrated Sense Resistor

bq27425-G2
SLUSB23B – OCTOBER 2012 – REVISED JUNE 2015
www.ti.com
8.5.5 Data Block Summary
CLASS
Configuration
[RAM]
System Data
[NVM]
Gas Gauging
[NVM/RAM]
Ra Tables
[NVM/RAM]
Calibration
[NVM]
SUBCLASS
ID
SUBCLASS
2
Safety [RAM]
36
Charge Termination
[RAM]
49
Discharge [RAM]
68
Power [RAM]
58
Manufacturer Info [NVM]
80
IT Cfg [RAM]
81
Current Thresholds
[RAM]
82
State [NVM]
88
R_a NVM
[NVM]
89
R_a RAM
[RAM]
104
Data [NVM]
105
CC Cal [NVM]
107
Current [RAM]
Table 9. Data Block Summary
OFFSET
NAME
DATA
TYPE
0
Overtemperature
I2
2
Undertemperature
I2
4
Temperature Hysteresis
U1
3
TCA Set %
I1
4
TCA Clear %
I1
5
FC Set %
I1
6
FC Clear %
I1
0
SOC1 Set Threshold
U1
1
SOC1 Clear Threshold
U1
2
SOCF Set Threshold
U1
3
SOCF Clear Threshold
U1
9
Hibernate I
I2
11
Hibernate V
I2
0 through 7 Block A 0 through 7
H1
55
Max Delta Voltage
I2
57
TermV Valid t
U1
0
Dsg Current Threshold
I2
2
Chg Current Threshold
I2
4
Quit Current
I2
2
Update Status
H1
3
Reserve Cap-mAh
I2
5
Op Config
H2
12
Design Capacity
I2
14
Design Energy
I2
18
Terminate Voltage
I2
22
SOHLoadI
I2
29
SOCI Delta
U1
30
Taper Current
I2
32
Taper Voltage
I2
34
Sleep Current
I2
36
V at Charge Termination
I2
38
Transient Factor Charge
U1
39
Transient Factor Discharge
U1
40
RDL Tempco
F4
0 through 28 Cell0 R_a 0 through 14
I2
MIN
–1200
VALUE
MAX
DEFAULT
(-G2B)
1200
550
–1200
1200
0
0
–1%
–1%
–1%
–1%
0%
0%
0%
0%
0
2400
0x00
–32000
0
0
0
0
0x00
0
0x0000
0
0
2800
–32767
0%
0
0
0
0
0
0
1.0E–20
183
255
100%
100%
100%
100%
255%
255%
255%
255%
700
3000
0xFF
32000
255
2000
2000
1000
0xFF
9000
0xFFFF
32767
32767
3700
0
100%
1000
5000
100
5000
255
255
4.0E+1
183
50
99%
95%
100%
98%
10%
15%
2%
5%
3
2550
0x00
200
2
167
133
250
0x04
(0x34)
0
0x89F8
1340
(1000)
4960
(3800)
3200
50
1%
75
4100
(4200)
10
4190
(4290)
179
179
0.000393
[Table]
0 through 28 Cell0 R_a 0 through 14
0
CC Offset
2
Board Offset
3
Int Temp Offset
4
Pack V Offset
0
CC Gain
4
CC Cal Temp
19
CC Delta
I2
183
183
[Table]
I2
–32768
32767
–1312
I1
–128
127
0
I1
–128
127
0
I1
–128
127
0
F4
1.0E–1
4.0E+1 0.47095
I2
0
32767
2982
F4
2.9826E+4
1.193046E
+6
559538.8
UNIT
(EVSW
Unit)*
0.1°C
(°C)
0.1°C
(°C)
0.1°C
(°C)
mA
mV
mV
s
0.1 h
0.1 h
0.1 h
mAh
mAh
mWh
mV
mA
mA
mV
mA
mV
num
num
num
2^–10Ω
(num)
2^–10Ω
(num)
mV
uV
°0.1°C
(°C)
mV
num
(2^–10Ω)
0.1K
num
(2^–10Ω)
24
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