BQ25120_15 Datasheet, PDF (16/68 Pages) Texas Instruments – bq25120 700-nA Low IQ Highly Integrated Battery Charge Management Solution for Wearables and IoT

BQ25120
SLUSBZ9A – AUGUST 2015 – REVISED AUGUST 2015
Typical Characteristics (continued)
5%
4%
3%
2%
1%
0
-1%
-2%
-40qC
-3%
0qC
25qC
-4%
85qC
125qC
-5%
0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4
Input Current Limit (A)
D020
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5%
3%
1%
-1%
-3%
-5%
0
-40qC
0qC
25qC
85qC
125qC
50
100
150
200
250
300
Charge Current (mA)
D021
10%
8%
6%
4%
2%
0
-2%
-4%
-6%
-8%
-10%
0
Figure 9. ILIM Accuracy vs Input Current
-40qC
0qC
25qC
85qC
125qC
5 10 15 20 25 30 35 40
Pre-Charge Current (mA)
D022
Figure 10. Charge Current Accuracy vs Charge Current
1000
900
800
700
600
500
400
300
200
100
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (qC)
D0246
V_IN = 5 V
Figure 11. Pre-Charge Accuracy vs Pre-Charge Current
400
Figure 12. R_DS(ON) of High Side MOSFET vs Temperature
350
300
250
200
150
100
50
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (qC)
D027
V_IN = 5 V
Figure 13. R_DS(ON) of Low Side MOSFET vs Temperature
16
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