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| BQ24300 Datasheet, PDF (14/22 Pages) Texas Instruments – OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC | |||
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bq24300
bq24304
SLUS764A â AUGUST 2007 â REVISED OCTOBER 2007
Power Down
All IC functions OFF
VIN > VUVLO?
No
Yes
Reset
Timers reset
Q1 off
Turn on PGATE
Any State
, If VIN < VUVLO
go to Power Down
No
CE = Low ?
Yes
VIN < VOVP ?
No
Yes
Turn off Q1
I < IOCP ?
Yes
Turn off Q1
No
Wait tREC(OCP)
VVBAT < BVOVP ?
No
Turn off Q1
TJ < TJ(OFF) ?
No
Yes
Turn on Q1
Turn off Q1
Figure 24. Flow Diagram
www.ti.com
14
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Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): bq24300 bq24304
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