BQ24170 Datasheet, PDF (15/35 Pages) Texas Instruments – 1.6-MHz Synchronous Switch-Mode Li-Ion and Li-Polymer Stand-Alone Battery Charger

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bq24170
bq24172
SLUSAD2A – NOVEMBER 2010 – REVISED NOVEMBER 2010
PH
5V/div
IL
1A/div
200 ns/div
Figure 9. Continuous Conduction Mode Switching
PH
5V/div
IL
1A/div
200 ns/div
Figure 10. Discontinuous Conduction Mode Switching
AVCC
10V/div
ACDRV
10V/div
VSYS
10V/div
BATDRV
10V/div
10 ms/div
Figure 11. BATFET to ACFET Transition During Powerup
IIN
1A/div
ISYS
2A/div
IOUT
1A/div
200 ms/div
Figure 12. System Load Transient (Input current DPM)
SRN
5V/div
PH
10V/div
IL
1A/div
400 ms/div
Figure 13. Battery Insertion and Removal
SRN
5V/div
PH
10V/div
IL
1A/div
2 ms/div
Figure 14. Battery to Ground Short Protection
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