BQ27505-J2 Datasheet, PDF (22/42 Pages) Texas Instruments – System-Side Impedance Track™ Fuel Gauge

bq27505-J2
System-Side Impedance Track™ Fuel Gauge
SLUS924 – APRIL 2009
Class
Configuration
Configuration
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
Configuration
36
Charge
Termination
2
Taper Current
Configuration
36
Charge
Termination
4
Minimum Taper Charge
Configuration
36
Charge
Termination
6
Taper Voltage
Configuration
36
Charge
Termination
8
Current Taper Window
Configuration
36
Charge
Termination
11 FC Set %
Configuration
36
Charge
Termination
12 FC Clear %
I2
0
I2
0
I2
0
U1
0
I1
–1
I1
–1
Configuration
48
Configuration
48
Configuration
48
Configuration
48
Configuration
48
Configuration
48
Configuration
48
Data
Data
Data
Data
Data
Data
Data
4
Initial Standby Current
5
Initial Max Load Current
7
CC Threshold
10 Design Capacity
12 SOH Load
14 Default Temp
16 Device name
I1
–128
I2
–32,767
I2
100
I2
0
I2
–32,767
I2
0
S8
x
Configuration
49
Discharge
0
SOC1 Set Threshold
U1
0
Configuration
49
Discharge
1
SOC1 Clear Threshold
U1
0
Configuration
49
Discharge
5
SysDown Set Volt Threshold
I2
0
Configuration
49
Discharge
7
SysDown Set Volt Time
U1
0
Configuration
49
Discharge
8
SysDown Clear Volt Threshold
I2
0
Configuration
49
Discharge
15 Final Voltage
U2
0
Configuration
56
Integrity Data
1
Full Reset Counter
U1
0
System Data
System Data
System Data
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
Configuration
64
Configuration
64
Configuration
64
Configuration
64
Configuration
64
Registers
Registers
Registers
Registers
Registers
0
Operation Configuration
7
SOC Delta
8
I²C Timeout
9
DFWrIndWaitTime
11 OpConfigB
H2
0x0000
U1
0
U1
0
U2
0
H1
0x00
Configuration
68
Configuration
68
Configuration
68
Configuration
68
Power
Power
Power
Power
0
Flash Update OK Voltage
7
Sleep Current
16 Hibernate Current
18 Hibernate Voltage
I2
0
I2
0
U2
0
U2
2400
Gas Gauging
80
Gas Gauging
80
Gas Gauging
80
Gas Gauging
80
Gas Gauging
80
Gas Gauging
80
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
IT Cfg
0
Load Select
1
Load Mode
25 Ra Filter
45
Min % Passed Charge for
Qmax
49 Qmax Filter
50 Terminate Voltage
U1
0
U1
0
U2
0
U1
1
U1
0
I2
–32,768
(1) Display as the value EVSW displayed. Data Flash value is different.
22
GENERAL DESCRIPTION
www.ti.com
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
4200
100
700
3000
255
255
1000
100
255
32,767
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
5µs
0x50
–
2800
mV
10
mA
8
mA
2550
mV
1
–
0
–
800
num
37
%
96
num
3420
mV
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