Datasheet

LTC4099
32
4099fd
V
BUS
OVGATE WALL ACPR
5V WALL ADAPTER
USB
TO µC
TO µC
SYSTEM
LOAD
M6
C2
22µF
0805
C1
2.2µF
0603
C4
22µF
0805
C3
0.1µF
0603
R4
100k
19 7 9, 21 6
1 5 18 14
12
10
11
13
D4
D3
D2
D1
R6
3.01k
R7
1.02k
R2
M5
L1
3.3µH
4099 TA03
CLPROG PROG
LTC4099
GND
SW
BATSENS
OVSENSE
I
2
C
IRQ
NTCBIAS
NTC
20
15-17
8
3
2
V
OUT
IDGATE
BAT
Li-Ion
+
M3
M4
R5
100k
T
R1
M1
M2
R3
6.2k
M1, M2, M5, M6: Si2333DS
M3, M4: NTLJS4114N
3
USB/Wall Adapter Battery Charger with Dual Overvoltage Protection,
Reverse-Voltage Protection and Low Battery Start-Up
Typical applicaTions
Low Component Count Power Manager with High and Low Voltage Inputs
V
BUS
USB
WALL ADAPTER
TO µC
TO µC
SYSTEM
LOAD
M1
C5
22µF
0805
C4
0.1µF
0603
19 7 9, 21 6
14
12
10
11
13
R4
3.01k
R2
100k
R3
100k
R5
1.02k
L2
3.3µH
4099 TA05
CLPROG PROG
LTC4099
GND
SW
BATSENS
I
2
C
IRQ
NTCBIAS
NTC
1
20
15-17
8
3
2
V
OUT
IDGATE
BAT
Li-Ion
+
C3
10µF
0805
OVGATE
OVSENS
M1: Si2333DS
3
V
OUT
V
C
WALL ACPR
AUTOMOTIVE,
FIREWIRE, ETC.
C1
4.7µF
50V
C2
0.1µF
10V
1
7
8
9
3
4 18
6
5
4
D1
L1
4.7µH
LT3653
5
2
V
IN
GND V
C
HVOK
I
SENSE
I
LIM
SW
BOOST
R1
27.4k