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BQ25120A Datasheet, PDF (53/67 Pages) Texas Instruments – Low IQ Highly Integrated Battery Charge Management Solution for Wearables and IoT
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Typical Application (continued)
1.5475
1.5275
1.5075
1.4875
2.7 V BAT
1.4675
3.0 V BAT
3.6 V BAT
3.8 V BAT
4.2 V BAT
1.4475
1E-6
1E-5 0.0001 0.001
0.01
0.1
Load Current (A)
TA = 25°C
VSYS = 1.5 V
Figure 52. 1.5 VSYS Load Regulation
2.5725
0.5
D006
2.5525
2.5325
2.5125
2.4925
2.4725
2.4525
2.4325
2.4125
1E-6
3.0 V BAT
3.6 V BAT
3.8 V BAT
4.2 V BAT
1E-5
0.0001 0.001 0.01
Load Current (A)
TA = 25°C
VSYS = 2.5 V
0.1 0.5
D012
Figure 54. 2.5 VSYS Load Regulation
1.238
1.228
1.218
1 PA
10 PA
100 PA
1 mA
10 mA
100 mA
1.208
1.198
1.188
1.178
1.168
1.158
3
3.2
3.4
3.6
3.8
4
VBAT Voltage (V)
TA = 25°C
VSYS = 1.2 V
Figure 56. 1.2 VSYS Line Regulation
4.2
D002
bq25120A
SLUSD08 – MAY 2017
1.857
1.837
1.817
1.797
1.777
2.7 V BAT
3.0 V BAT
1.757
3.6 V BAT
3.8 V BAT
4.2 V BAT
1.737
1E-6
1E-5 0.0001 0.001
0.01
0.1
Load Current (A)
TA = 25°C
VSYS = 1.8 V
Figure 53. 1.8 VSYS Load Regulation
3.3845
0.5
D009
3.3345
3.2845
3.2345
3.1845
1E-6
3.8 V BAT
4.2 V BAT
1E-5
0.0001 0.001 0.01
Load Current (A)
TA = 25°C
VSYS = 3.3 V
0.1 0.5
D015
Figure 55. 3.3 VSYS Load Regulation
1.5475
1.5275
1 PA
10 PA
100 PA
1 mA
10 mA
100 mA
1.5075
1.4875
1.4675
1.4475
3
3.2
3.4
3.6
3.8
4
VBAT Voltage (V)
TA = 25°C
VSYS = 1.5 V
Figure 57. 1.5 VSYS Line Regulation
4.2
D005
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