BQ24171 Datasheet, PDF (14/35 Pages) Texas Instruments – JEITA Compliant Stand-Alone Switch-Mode Li-Ion and Li-Polymer Battery Charger with Integrated MOSFETs and Power Path Selector

bq24171
SLUSAF2A – FEBRUARY 2011 – REVISED MAY 2011
www.ti.com
SRN
5V/div
PH
10V/div
IL
1A/div
4 ms/div
Figure 13. Battery to Ground Short Transition
96
94
94
92
92
90
90
88
VIN 15V 3 cell
88
VIN 15V 2 cell
86
86
84
84
82
82
VIN 5V BAT 3.8V
VIN 9V BAT 3.8V
80
0
0.5
1.0
1.5
2.0 2.5
3.0
3.5 4.0
Charge Current - A
Figure 14. Efficiency vs Output Current (VIN = 15V)
80
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Charge Current - A
Figure 15. Efficiency vs Output Current (VOUT = 3.8V)
14
Submit Documentation Feedback
Product Folder Link(s): bq24171
Copyright © 2011, Texas Instruments Incorporated