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BQ27520-G3 Datasheet, PDF (22/47 Pages) Texas Instruments – System-Side Impedance Track™ Fuel Gauge With Integrated LDO
◁
bq27520-G3
SLUSAP0 – DECEMBER 2011
www.ti.com
4.6 DATA FLASH SUMMARY
Table 4-7 summarizes the data flash locations available to the user, including their default, minimum, and
maximum values.
Class
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Subclass
ID
2
2
2
2
2
2
Subclass
Safety
Safety
Safety
Safety
Safety
Safety
32
Charge Inhibit
Temp Low
32
Charge Inhibit
Temp High
32
Temp
Hysteresis
34
Charge
34
Charge
34
Charge
34
Charge
36
Charge
Termination
36
Charge
Termination
36
Charge
Termination
36
Charge
Termination
36
Charge
Termination
36
Charge
Termination
36
Charge
Termination
48
Data
48
Data
48
Data
48
Data
48
Data
48
Data
48
Data
48
Data
49
Discharge
49
Discharge
49
Discharge
49
Discharge
49
Discharge
49
Discharge
49
Discharge
49
Discharge
49
Discharge
Table 4-7. Data Flash Summary
Offset
Name
0
OT Chg
2
OT Chg Time
3
OT Chg Recovery
5
OT Dsg
7
OT Dsg Time
8
OT Dsg Recovery
Data
Type
I2
U1
I2
I2
U1
I2
0
Charge Inhibit Temp Low
I2
2
Charge Inhibit Temp High
I2
4
Temp Hys
I2
2
Charging Voltage
I2
4
Delta Temp
I2
6
Suspend Low Temp
I2
8
Suspend High Temp
I2
2
Taper Current
I2
4
Min Taper Capacity
I2
6
Taper Voltage
I2
8
Current Taper Window
U1
11 FC Set %
I1
12 FC Clear %
I1
13 DOD at EOC
I2
4
Initial Standby Current
I1
5
Initial Max Load Current
I2
7
CC Threshold
I2
10 Design Capacity
I2
12 SOH Load
I2
14 Default Temp
I2
16 Device name
S8
24 Data Flash Version
H2
0
SOC1 Set Threshold
U1
1
SOC1 Clear Threshold
U1
5
SysDown Set Volt Threshold
I2
7
SysDown Set Volt Time
U1
8
SysDown Clear Volt Threshold
I2
15 Final Voltage
U2
17 Def Cell 0 DOD at EOC
I2
19 Def Cell 1 DOD at EOC
I2
21 Def Avg I Last Run
I2
Min
Value
0
0
0
0
0
0
–400
–400
0
0
0
–400
–400
0
0
0
0
–1
–1
0
–128
–32,767
100
0
–32,767
0
x
0x00
0
0
0
0
0
0
0
0
-32768
Max
Value
1200
60
1200
1200
60
1200
1200
1200
100
4600
500
1200
1200
1000
1000
1000
60
100
100
1000
0
0
32,767
65,535
0
1000
x
0xFF
255
255
4200
60
4200
4200
16384
16384
32767
Default
Value
550
2
500
600
2
550
Units
0.1°C
s
0.1°C
0.1°C
s
0.1°C
0
0.1°C
450
0.1°C
50
0.1°C
4200
50
-50
550
mV
0.1°C
0.1°C
0.1°C
100
mA
25
0.01mAh
100
mV
40
s
100
%
98
%
100
0.1°C
–10
–500
900
1000
–400
250 (1)
bq27520
0x00
150
175
3150
2
3400
3000
0
0
-299
mA
mA
mAh
mAh
mA
0.1°C
–
–
mAh
mAh
mV
s
mV
mV
num
num
mA
(1) Display as the value EVSW displayed. Data Flash value is different.
22
GENERAL DESCRIPTION
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