Datasheet

1
8
VDC
GND
1 Fm
IN
OUT
VBAT
bq24380
1 Fm
Charging
Circuit
6
SYSTEM
AC Adapter
2
VSS
4
5
FAULT
CE
R
PU
100kW
47kW
47kW
R
FAULT
47kW
R
CE
R
BAT
1. Short-circuitduringstart-up
2. Normalstart-upcondition
3. Batteryovervoltageevent
4. V
UVLO
< V
IN
< V
OREG
-- V
OUT
tracksV
IN
5. Inputovervoltageevent
6. InputbelowUVLO
7. High-currenteventduringnormaloperation
t
CHK(SC)
t
SStart
t
SStop
t
REC(SC)
t
SStart
t
DGL(BVOVP)
t
PD(OVP)
t
DGL(PGOOD)
t
REC(OVP)
5
4
2
4
6
7
22
1
3
Input
Voltage
Output
Voltage
CE
UVLO
FAULT
Output
Current
Battery
Voltage
V
OVP
V
OVP hys(OVP)
-V
V
O(REG)
V
O(REG)
I
O(SC)
BV
BV -V
(OVP)
(OVP) hys(BVOVP)
bq24380
bq24381
bq24382
SLUS805B – APRIL 2008 – REVISED MARCH 2009 ......................................................................................................................................................... www.ti.com
Figure 17. Typical Application Circuit
Figure 18. Timing Diagram
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