Datasheet

LTC4098-3.6
28
409836f
V
BUS
OVGATE WALL ACPR
5V WALL ADAPTER
USB
TO µC
TO µC
SYSTEM
LOAD
M6
C2
10µF
0805
C1
10µF
0805
C4
10µF
0805
C3
0.1µF
0603
R4
100k
3 7 9, 21 6
2 18 19 14
12
10
11
13
D4
D3
D2D1
R6
3.01k
R7
681Ω
R2
M5
L1
3.3µH
409836 TA03
CLPROG PROG
LTC4098-3.6
GND
SW
BATSENS
OVSENSE
D0-D2
CHRG
NTCBIAS
NTC
1
15-17
8
4
5
V
OUT
IDGATE
BAT
+
M3
M4
R5
100k
T
R1
M1
M2
R3
6.04k
M1, M2, M5, M6: VISHAY-SILICONIX Si2333CDS
M3, M4: FAIRCHILD SEMI FDN372S
R5: VISHAY-DALE NTHS0603N011-N1003F
D1, D2: NXP BAT54C
D3, D4: ON SEMICONDUCTOR MNBZ5232BLT1G
3
LiFePO
4
USB/Wall Adapter Battery Charger with Dual Overvoltage Protection,
Reverse-Voltage Protection and Low Battery Start-Up
TYPICAL APPLICATIONS
USB/Automotive Switching Battery Charger with
Automatic Current Limiting on Both Inputs
V
BUS
V
C
WALL ACPR
AUTOMOTIVE,
FIREWIRE, ETC.
USB
WALL ADAPTER
TO µC
TO µC
SYSTEM
LOAD
C3
10µF
0805
C5
10µF
0805
C1
4.7µF
C2
0.1µF
10V
C4
0.1µF
0603
R2
100k
R1
27.4k
1
7
8
9
3 7 9, 21 6
3
20 18 19 14
12
10
11
2
6
5
4
13
M1
R4
3.01k
R5
681Ω
D1
L2
3.3µH
L1
4.7µH
409836 TA04
CLPROG PROG
LTC4098-3.6
LT3653
GND
SW
BATSENS
OVGATE
OVSENS
D0-D2
CHRG
NTCBIAS
NTC
2
1
15-17
8
4
5
V
OUT
IDGATE
BAT
V
OUT
I
SENSE
LiFePO
4
+
R3
100k
T
R6
6.04k
V
IN
I
LIM
GND V
C
HVOK
SW
BOOST
M1: ON SEMICONDUCTOR NTLJS4114N
R3: VISHAY-DALE NTHS0603N011-N1003F
3