BQ27425-G2_14 Datasheet, PDF (17/35 Pages) Texas Instruments – System-Side Impedance Track™ Fuel Gauge With Integrated Sense Resistor

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DATA BLOCK SUMMARY
Class
Configuration
[RAM]
Subclas
s ID Subclass
2
Safety [RAM]
36 Charge Termination
[RAM]
49 Discharge [RAM]
68 Power [RAM]
System Data
[NVM]
Gas Gauging
[NVM/RAM]
58 Manufacturer Info
[NVM]
80 IT Cfg [RAM]
81 Current Thresholds
[RAM]
82 State [NVM]
Ra Tables
[NVM/RAM]
Calibration
[NVM]
88 R_a NVM
[NVM]
89 R_a RAM
[RAM]
104 Data [NVM]
105 CC Cal [NVM]
bq27425-G2
SLUSB23A – OCTOBER 2012 – REVISED FEBRUARY 2013
Table 7. Data Block Summary
Offset
0
Name
Over Temp
2
Under Temp
4
Temp Hys
3
4
5
6
0
1
2
3
9
11
0-7
TCA Set %
TCA Clear %
FC Set %
FC Clear %
SOC1 Set Threshold
SOC1 Clear Threshold
SOCF Set Threshold
SOCF Clear Threshold
Hibernate I
Hibernate V
Block A 0 - 7
55
57
0
2
4
2
3
5
12
14
18
22
29
30
32
34
36
38
39
40
0 - 28
Max Delta Voltage
TermV Valid t
Dsg Current Threshold
Chg Current Threshold
Quit Current
Update Status
Reserve Cap-mAh
Op Config
Design Capacity
Design Energy
Terminate Voltage
SOHLoadI
SOCI Delta
Taper Current
Taper Voltage
Sleep Current
V at Chg Term
Transient Factor Charge
Transient Factor Discharge
RDL Tempco
Cell0 R_a 0 - 14
0 - 28 Cell0 R_a 0 - 14
0
CC Offset
2
Board Offset
3
Int Temp Offset
4
Pack V Offset
0
CC Gain
4
CC Cal Temp
Data
Type
I2
Min
Value
-1200
I2
-1200
U1
0
I1
-1
I1
-1
I1
-1
I1
-1
U1
0
U1
0
U1
0
U1
0
I2
0
I2
2400
H1
0x00
Max
Value
1200
1200
255
100
100
100
100
255
255
255
255
700
3000
0xff
Default
Value
(-G2B)
550
0
50
99
95
100
98
10
15
2
5
3
2550
0x00
Units
(EVSW
Units)*
0.1°C
(°C)
0.1°C
(°C)
0.1°C
(°C)
%
%
%
%
%
%
%
%
mA
mV
-
I2
-32000
32000
U1
0
255
I2
0
2000
I2
0
2000
I2
0
1000
H1
0x00
0xFF
I2
0
9000
H2 0x0000
0xffff
I2
0
32767
I2
0
32767
I2
2800
I2
-32767
U1
0
I2
0
I2
0
3700
0
100
1000
5000
I2
0
100
I2
0
5000
U1
0
255
U1
0
255
F4 1.0e-20 4.0e+1
I2
183
183
I2
183
183
I2
-32768
32767
I1
-128
127
I1
-128
127
I1
-128
127
F4
1.0e-1 4.0e+1
I2
0
32767
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]
[Table]
-1312
0
0
0
0.47095
2982
mV
sec
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
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