Datasheet

-3
-2
-1
0
1
0 1 2 3 4 5 6 7 8 9
BatteryChargeCurrent- A
BatteryVoltage Accuracy-%
3CELL @12.592V,
ICHG@8.064 A,
DCIN=20V
-0.2
0
0.2
0.4
0.6
0.8
1
1.2
0 2000 4000 6000 8000 10000 12000 14000 16000 18000 20000
VFBprogrammedSetpoint-mV
BatteryVoltageRegulation Accuracy-%
DCIN=20V
3CELL @12.592V,
ICHG@4.096 A,
DCIN=20V
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0 2 4 6 8 10 12 14
BatteryVoltage-V
BatteryChargeCurrent- A
-16
-14
-12
-10
-8
-6
-4
-2
0
0 1000 2000 3000 4000 5000 6000 7000 8000 9000
ICHGDACProgrammedSetpoint-mA
ChargeCurrent Accuracy-%
DCIN=20V,
VFB=9V
bq24745
www.ti.com SLUS761D –DECEMBER 2007– REVISED OCTOBER 2011
TYPICAL CHARACTERISTICS (continued)
VFB (BATTERY) VOLTAGE REGULATION ACCURACY VFB (BATTERY) VOLTAGE REGULATION ACCURACY
vs vs
CHARGE CURRENT DAC VBAT SETPOINT
Figure 6. Figure 7.
CHARGE CURRENT REGULATION ACCURACY CHARGE CURRENT REGULATION ACCURACY
vs vs
DAC ICHRG SETPOINT VFB (BATTERY) VOLTAGE
Figure 8. Figure 9.
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