BQ24765_15 Datasheet, PDF (13/43 Pages) Texas Instruments – SMBus-Controlled Multi-Chemistry Battery Charger With Integrated Power MOSFETs

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Typical Characteristics (continued)
100
bq24765
SLUS999A – NOVEMBER 2009 – REVISED NOVEMBER 2015
2.0
95
1.5
90
4c _23c
2c
85
1.0
80
0.5
75
Vbat_dac = 12.592,
In voltage regulation
70
0 1k 2k 3k 4k 5k 6k
ICHG DAC Set Point - mA
Figure 8. Efficiency vs Battery Charge Current
0.0
-0.5
0.0
0 2k 4k 6k 8k 10k 12k
DPM DAC Set Point - mA
Figure 9. Input Current Regulation (DPM) Accuracy vs
V(CSSP-CSSN) Voltage Set Point
6
Input Current 4608mA
5
-1.0
4
-1.5
3
-2.0
2
-2.5
-3.0
-3.5
0 2000 4000 6000 8000 10000 12000
DPM DAC Set Point - mA
Figure 10. VICM Input Current Sense Amplifier Accuracy vs
V(CSSP-CSSN) Voltage
5%
1
Charge Current 4096mA
0
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
System Current - A
Figure 11. Input Regulation Current (DPM) and Charge
Current vs System Current
4%
3%
2%
Input Current 4608mA
1%
0%
-1%
-2%
-3%
Charge Current 4096mA
-4%
-5%
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
System Current - A
Figure 12. Input Regulation Current (DPM), and Charge Current Accuracy vs System Current
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