BQ27505-J3 Datasheet, PDF (22/44 Pages) Texas Instruments – System-Side Impedance Track™ Fuel Gauge

bq27505-J3
Not Recommended for New Designs
SLUS986A – OCTOBER 2009 – REVISED FEBRUARY 2010
Class
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
System Data
System Data
System Data
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Subclass
ID
34
34
Table 4-7. Data Flash Summary (continued)
Subclass
Charge
Charge
Offset
Name
6
Suspend Low Temp
8
Suspend High Temp
Data
Type
I2
I2
Min
Value
–400
–400
36
Charge
Termination
2
Taper Current
36
Charge
Termination
4
Minimum Taper Charge
36
Charge
Termination
6
Taper Voltage
36
Charge
Termination
8
Current Taper Window
36
Charge
Termination
11 FC Set %
36
Charge
Termination
12 FC Clear %
I2
0
I2
0
I2
0
U1
0
I1
–1
I1
–1
48
Data
4
Initial Standby Current
48
Data
5
Initial Max Load Current
48
Data
7
CC Threshold
48
Data
10 Design Capacity
48
Data
12 SOH Load
48
Data
14 Default Temp
48
Data
16 Device name
I1
–128
I2
–32,767
I2
100
I2
0
I2
–32,767
I2
0
S8
x
49
Discharge
0
SOC1 Set Threshold
U1
0
49
Discharge
1
SOC1 Clear Threshold
U1
0
49
Discharge
5
SysDown Set Volt Threshold
I2
0
49
Discharge
7
SysDown Set Volt Time
U1
0
49
Discharge
8
SysDown Clear Volt Threshold
I2
0
49
Discharge
15 Final Voltage
U2
0
56
Integrity Data
1
Full Reset Counter
U1
0
57
Manufacturer
Info
0
Block A 0
57
Manufacturer
Info
1–31 Block A [10–31]
57
Manufacturer
Info
32–63 Block B [0–31]
H1
0x00
H1
0x00
H1
0x00
64
Registers
0
Operation Configuration
64
Registers
7
SOC Delta
64
Registers
8
I²C Timeout
64
Registers
9
DFWrIndWaitTime
64
Registers
11 OpConfigB
64
Registers
12 Debug Options
H2
0x0000
U1
0
U1
0
U2
0
H1
0x00
H1
4
68
Power
0
Flash Update OK Voltage
68
Power
7
Sleep Current
68
Power
16 Hibernate Current
68
Power
18 Hibernate Voltage
I2
0
I2
0
U2
0
U2
2400
80
IT Cfg
0
Load Select
80
IT Cfg
1
Load Mode
80
IT Cfg
25 Ra Filter
80
IT Cfg
45
Min % Passed Charge for
Qmax
80
IT Cfg
49 Qmax Filter
U1
0
U1
0
U2
0
U1
1
U1
0
Max
Value
1200
1200
1000
1000
1000
60
100
100
0
0
32,767
65,535
0
1000
x
255
255
4200
60
4200
4200
255
0xff
0xff
0xff
0xffff
25
7
65535
0xff
0x00
4200
100
700
3000
255
255
1000
100
255
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Default
Value
-50
550
Units
0.1°C
0.1°C
100
mA
25
0.01mAh
100
mV
40
s
100
%
98
%
–10
–500
900
1000
–400
250 ⁽¹⁾
bq27505
150
175
3150
2
3400
3000
0
mA
mA
mAh
mAh
mA
0.1°C
–
mAh
mAh
mV
s
mV
mV
num
0x00
–
0x00
–
0x00
–
0x0973
–
1
%
4
num
0
5ms
0x50
–
0xff
–
2800
mV
10
mA
8
mA
2550
mV
1
–
0
–
800
num
37
%
96
num
(1) Display as the value EVSW displayed. Data Flash value is different.
22
GENERAL DESCRIPTION
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