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

bq27505
Not Recommended for New Designs
SLUS884 – FEBRUARY 2009
Class
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
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Table 4-7. Data Flash Summary (continued)
Subclass
ID
34
34
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
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
9
OpConfigB
H2
0x0000
U1
0
H1
0x00
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
48 Terminate Voltage
80
IT Cfg
53 User Rate-mA
80
IT Cfg
55 User Rate-mW
80
IT Cfg
57 Reserve Cap-mAh
80
IT Cfg
59 Reserve Cap-mWh
U1
0
U1
0
I2
–32,768
I2
–2000
I2
–7200
I2
0
I2
0
81
Current
Thresholds
0
Dsg Current Threshold
81
Current
Thresholds
2
Chg Current Threshold
I2
0
I2
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
0xff
0xff
0xff
0xffff
25
0xff
4200
100
700
3000
255
255
32,767
–100
–350
9000
14,000
2000
2000
www.ti.com
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
25 ⁽¹⁾
bq27505
150
175
3150
2
3400
mA
mA
mAh
mAh
mA
0.1°C
–
mAh
mAh
mV
s
mV
0x00
–
0x00
–
0x00
–
0x0973
1
0x50
2800
10
8
2550
1
0
3000
0
0
0
0
–
%
–
mV
mA
mA
mV
–
–
mV
mA
mW
mAh
mWh
60
mA
75
mA
(1) Display as the value EVSW displayed. Data Flash value is different.
22
GENERAL DESCRIPTION
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