Datasheet

LTC4098-3.6
27
409836f
High Efficiency USB/2A Automotive Battery Charger with Overvoltage
Protection and Low Battery Start-Up
V
BUS
V
C
WALL ACPR
AUTOMOTIVE,
FIREWIRE, ETC.
USB
TO µC
TO µC
SYSTEM
LOAD
M2
C2
10µF
0805
C1
4.7µF
C7
68nF
C5
10µF
0805
C4
22µF
C6
0.47µF
C3
0.1µF
0603
R4
100k
R9
499k
R11
150k
4
2
3
7
3 7 9, 21 6
9
20 18 19 14
12
10
11
11 1
8
5
10
13
D3
M3
R6
3.01k
R7
681Ω
M1
L1
3.3µH
L2
10µH
409836 TA02
CLPROG PROG
LTC4098-3.6
LT3480
GND
SW
BATSENS
OVGATE
OVSENS
D0-D2
CHRG
NTCBIAS
NTC
2
1
15-17
8
4
5
V
OUT
IDGATE
BAT
LiFePO
4
+
R5
100k
T
M1, M2: VISHAY-SILICONIX Si2333CDS
M3: ON SEMICONDUCTOR NTLJS4114N
R5: VISHAY-DALE NTHS0603N011-N1003F
R10
40.2k
R8
100k
R3
6.04k
RT
V
IN
RUN/SS
PG GNDV
C
BD
SW
FB
BOOST
3
TYPICAL APPLICATIONS