BQ24171_15 Datasheet, PDF (13/39 Pages) Texas Instruments – bq24171 JEITA-Compliant Stand-Alone, Switched-Mode Li-Ion and Li-Polymer Battery Charger With Integrated MOSFETs and Power Path Selector

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bq24171
SLUSAF2C – FEBRUARY 2011 – REVISED APRIL 2015
PH
5V/div
IL
1A/div
200 ns/div
PH
5V/div
IL
1A/div
200 ns/div
Figure 5. Continuous Conduction Mode Switching
AVCC
10V/div
ACDRV
10V/div
VSYS
10V/div
BATDRV
10V/div
10 ms/div
Figure 6. Discontinuous Conduction Mode Switching
IIN
1A/div
ISYS
2A/div
IOUT
1A/div
200 ms/div
Figure 7. BATFET to ACFET Transition During Power Up
Figure 8. System Load Transient (Input Current DPM)
SRN
5V/div
PH
10V/div
IL
1A/div
400 ms/div
SRN
5V/div
PH
10V/div
IL
1A/div
2 ms/div
Figure 9. Battery Insertion and Removal
Figure 10. Battery-to-Ground Short Protection
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