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BQ24314_1 Datasheet, PDF (7/25 Pages) Texas Instruments – OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC
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VIN
bq24314
bq24316
SLUS763C – JULY 2007 – REVISED OCTOBER 2007
TYPICAL OPERATING PERFORMANCE (continued)
VIN
VOUT
IOUT
FAULT
IOUT
FAULT
VOUT
Figure 8. Recovery from OVP, VIN = 7.5V to 5V, tf = 400μs
VIN
IOUT
Figure 9. OCP, Powering Up into a Short Circuit on OUT
Pin, OCP Counter Counts to 15 Before Switching OFF the
Device
VIN
VOUT
IOUT
VOUT
FAULT
Figure 10. OCP, Zoom-in on the First Cycle of Figure 9
VVBAT
FAULT
Figure 11. OCP, ROUT Switches from 6.6Ω to 3.3Ω, Shows
Current Limiting and Soft-Stop
VOUT
Begin
soft-stop
tDGL(BAT-OVP)
= 220 ms
VOUT
FAULT
VVBAT
FAULT
Figure 12. BAT-OVP, VVBAT Steps from 4.2V to 4.4V,
Shows tDGL(BAT-OVP) and Soft-Stop
Figure 13. BAT-OVP, VVBAT Cycles Between 4.1V and 4.4V,
Shows BAT-OVP Counter
Copyright © 2007, Texas Instruments Incorporated
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