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| BQ24314A Datasheet, PDF (7/21 Pages) Texas Instruments – OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC | |||
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www.ti.com
VIN
TYPICAL OPERATING PERFORMANCE (continued)
bq24314A
SLUS811 â MARCH 2008
VIN
VOUT
IOUT
FAULT
IOUT
FAULT
VOUT
Figure 6. Recovery from OVP, VIN = 7.5V to 5V, tf = 400µs
VIN
IOUT
Figure 7. 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 8. OCP, Zoom-in on the First Cycle of Figure 7
VVBAT
FAULT
Figure 9. OCP, ROUT Switches from 6.6⦠to 3.3â¦, Shows
Current Limiting and Soft-Stop
VOUT
Begin
soft-stop
tDGL(BAT-OVP)
= 220 ms
VOUT
FAULT
VVBAT
FAULT
Figure 10. BAT-OVP, VVBAT Steps from 4.2V to 4.4V,
Shows tDGL(BAT-OVP) and Soft-Stop
Figure 11. BAT-OVP, VVBAT Cycles Between 4.1V and 4.4V,
Shows BAT-OVP Counter
Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): bq24314A
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