BQ20Z70 Datasheet, PDF (14/22 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
Class
Charge
Control
Charge
Control
Charge
Control
Charge
Control
Charge
Control
Charge
Control
Charge
Control
Charge
Control
Charge
Control
Charge
Control
SBS
Configuration
SBS
Configuration
SBS
Configuration
SBS
Configuration
SBS
Configuration
SBS
Configuration
SBS
Configuration
Subclass
ID
34
34
34
34
36
36
36
36
37
38
48
48
48
48
48
48
48
Table 3. DATAFLASH VALUES (continued)
Subclass
Fast Charge Cfg
Offset Name
0
Fast Charge Current
Data
Type
I2
Min Value Max
Value
0
10000
Fast Charge Cfg
2
Charging Voltage
I2
0
20000
Fast Charge Cfg
6
Suspend Low Temp
I2
-400
1200
Fast Charge Cfg
8
Suspend High Temp
I2
-400
1200
Termination Cfg.
2
Taper Current
I2
0
1000
Termination Cfg.
6
Taper Voltage
I2
0
1000
Termination Cfg.
10
TCA Clear %
I1
-1
100
Termination Cfg.
12
FC Clear %
I1
-1
100
Cell Balancing Cfg 0
Min Cell Deviation
U2
0
65535
Charging Faults
13
Over Charge Capacity
I2
0
4000
Data
0
Rem Cap Alarm
I2
0
700
Data
2
Rem Energy Alarm
I2
0
1000
Data
4
Rem Time Alarm
U2
0
30
Data
6
Init Battery Mode
H2
0x0000 0xffff
Data
8
Design Voltage
I2
7000
18000
Data
10
Spec Info
H2
0x0000 0xffff
Data
12
Manuf Date
U2
0
65535
SBS
48
Configuration
SBS
48
Configuration
SBS
48
Configuration
SBS
48
Configuration
SBS
48
Configuration
SBS
48
Configuration
SBS
48
Configuration
SBS
48
Configuration
SBS
48
Configuration
SBS
49
Configuration
SBS
49
Configuration
SBS
49
Configuration
Data
Data
Data
Data
Data
Data
Data
Data
Data
Configuration
Configuration
Configuration
14
Ser. Num.
16
Cycle Count
18
CC Threshold
21
CF MaxError Limit
22
Design Capacity
24
Design Energy
26
Manuf Name
38
Device Name
46
Device Chemistry
0
TDA Set %
1
TDA Clear %
2
FD Set %
H2
0x0000 0xffff
U2
0
65535
I2
100
32767
U1
0
100
I2
0
65535
I2
0
65535
S12
S8
S5
I1
-1
100
I1
-1
100
I1
-1
100
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Default Value Units
4000
mA
16800
mV
-50
0.1°C
550
0.1°C
250
mA
300
mV
95
%
98
%
1750
s/mAh
300
mAh
300
mAh
432
10mW
10
min
0x0081
14400
mV
0x0031
0
0x0001
Day +
Mo*32 +
(Yr
-
1980)*256
0
Count
4400
mAh
100
%
4400
mAh
6336
10mWh
Texas Inst.
bq20z70
LION
6
%
8
%
2
%
14
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