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BQ20Z70 Datasheet, PDF (15/22 Pages) Texas Instruments – SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK™ TECHNOLOGY FOR USE WITH THE bq29330
bq20z70
www.ti.com
Class
SBS
Configuration
SBS
Configuration
SBS
Configuration
SBS
Configuration
System Data
Configuration
Configuration
Configuration
Configuration
Configuration
Power
Power
Power
Power
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
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Subclass
ID
49
49
49
49
58
64
64
64
64
64
68
68
68
68
80
80
80
80
80
80
80
81
81
81
82
82
82
82
82
82
82
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
89
SLUS686A – NOVEMBER 2005 – REVISED JUNE 2006
Table 3. DATAFLASH VALUES (continued)
Subclass
Configuration
Offset Name
3
FD Clear %
Data
Type
I1
Min Value Max
Value
-1
100
Default Value Units
5
%
Configuration
4
TDA Set Volt Threshold
I2
0
16800 5000
mV
Configuration
6
TDA Set Volt Time
U1
0
60
0
s
Configuration
7
TDA Clear Volt
I2
0
16800 5500
mV
Manufacturer Info 0
Registers
0
Registers
2
Registers
4
Registers
6
Registers
8
Power
0
Power
2
Power
5
Power
16
IT Cfg
0
IT Cfg
1
IT Cfg
45
IT Cfg
60
IT Cfg
62
IT Cfg
64
IT Cfg
66
Current Thresholds 0
Current Thresholds 2
Current Thresholds 4
State
0
State
2
State
4
State
6
State
8
State
12
State
25
R_a0
0
R_a0
2
R_a0
4
R_a0
6
R_a0
8
R_a0
10
R_a0
12
R_a0
14
R_a0
16
R_a0
18
R_a0
20
R_a0
22
R_a0
24
R_a0
26
R_a0
28
R_a0
30
R_a1
0
Manuf. Info
S9
Operation Cfg A
H2
Operation Cfg B
H2
Operation Cfg C
H2
Permanent Fail Cfg
H2
Non-Removable Cfg
H2
Flash Update OK Voltage
I2
Shutdown Voltage
I2
Charger Present
I2
Wake Current Reg
H1
Load Select
U1
Load Mode
U1
Term Voltage
I2
User Rate-mA
I2
User Rate-mW
I2
Reserve Cap-mAh
I2
Reserve Cap-mWh
I2
Dsg Current Threshold
I2
Chg Current Threshold
I2
Quit Current
I2
Qmax Cell0
I2
Qmax Cell1
I2
Qmax Cell2
I2
Qmax Cell3
I2
Qmax Pack
I2
Update Status
H1
Delta Voltage
I2
Cell0 R_a flag
H2
Cell0 R_a 0
I2
Cell0 R_a 1
I2
Cell0 R_a 2
I2
Cell0 R_a 3
I2
Cell0 R_a 4
I2
Cell0 R_a 5
I2
Cell0 R_a 6
I2
Cell0 R_a 7
I2
Cell0 R_a 8
I2
Cell0 R_a 9
I2
Cell0 R_a 10
I2
Cell0 R_a 11
I2
Cell0 R_a 12
I2
Cell0 R_a 13
I2
Cell0 R_a 14
I2
Cell1 R_a flag
H2
0x0000
0x0000
0x0000
0x0000
0x0000
6000
5000
0
0x00
0
0
-32768
2000
3000
0
0
0
0
0
0
0
0
0
0
0x0
-32768
0x0000
183
181
198
244
254
261
333
338
345
350
382
429
502
545
366
0x0
0x033b
0x3eff
0x0001
0x4dff
0x3027
20000
20000
23000
0xff
255
255
32767
9000
14000
9000
14000
2000
2000
1000
32767
32767
32767
32767
32767
0x3
32767
0x0000
183
181
198
244
254
261
333
338
345
350
382
429
502
545
366
0x0
12345678
0x0329
0x2440
0x0000
0x0000
0x0000
7500
7000
3000
0x00
3
0
12000
0
0
0
0
50
25
10
4400
4400
4400
4400
4400
0x0
0
0xff55
160
166
153
151
145
152
176
204
222
254
315
437
651
1001
1458
0xff55
mV
mV
mV
mV
MilliAmp
10mW
mAh
10mWh
mA
mA
mA
mAh
mAh
mAh
mAh
mAh
mV
2^-10ohm
2^-10ohm
2^-10ohm
2^-10ohm
2^-10ohm
2^-10ohm
2^-10ohm
2^-10ohm
2^-10ohm
2^-10ohm
2^-10ohm
2^-10ohm
2^-10ohm
2^-10ohm
2^-10ohm
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