 English |
|
|
|
|
|
|
|
| BQ24314C Datasheet, PDF (11/26 Pages) Texas Instruments – Li+ Charger Front-End Protection IC | |||
| |||
| ◁ |
www.ti.com
Device Functional Modes (continued)
bq24314C
SLUSAV3A â AUGUST 2012 â REVISED JULY 2015
Power Down
All IC functions OFF
FAULT = HiZ
V(IN) > V(UVLO) ? No
Yes
Reset
Timers reset
Counters reset
FAULT = HiZ
FET off
No
CE = Low ?
Any State
if V(IN) < V (UVLO),
go to Power Down
Any State
if CE = Hi,
go to Reset
V(IN) < V(OVP) ?
No
Yes
Turn off FET
FAULT = Low
No
I < IOCP ?
Yes
Turn off FET
FAULT = Low
No Incr OCP counter
No
CE = Hi ?
Yes
Go to Reset
No
count <15 ?
Wait tREC(OCP)
CE = Hi ?
Yes
Go to Reset
Turn off FET
VBAT < BATOVP ?
No
FAULT = Low
Incr BAT counter
Yes
TJ < TJ(OFF) ?
No
Yes
Turn on FET
FAULT = HiZ
Turn off FET
FAULT = Low
No
count <15 ?
Figure 9. Flow Diagram
Copyright © 2012â2015, Texas Instruments Incorporated
Product Folder Links: bq24314C
Submit Documentation Feedback
11
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese