bq24170
bq24172
SLUSAD2A –NOVEMBER 2010–REVISED NOVEMBER 2010
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SRN
5V/div
PH
10V/div
IL
1A/div
4 ms/div
Figure 15. Battery to Ground Short Transition
96
94
92
90
88
86
84
94
VIN 5V BAT 3.8V
VIN 9V BAT 3.8V
92
90
88
VIN 15V 3 cell
VIN 15V 2 cell
86
84
82
80
82
80
0
0.5
1.0
2.0
2.5
0
0.5
1.0
2.0
2.5
1.5
3.0
3.5
4.0
1.5
3.0
3.5
4.0
Charge Current - A
Charge Current - A
Figure 16. Efficiency vs Output Current (VIN = 15V)
Figure 17. Efficiency vs Output Current (VOUT = 3.8V)
16
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