Datasheet

LTC4155
47
4155fc
TYPICAL APPLICATIONS
7
11
8
4
3
1, 2, 28
3
10
5 6 29 12 18
4155 TA02
15
14
R3
499
C1
0.047µF
9
23, 24, 25
R1
3.6k
R2
1.21k
L1: COILCRAFT XFL4020-102ME
MP1: VISHAY Si5481DU-T1-GE3
R4
100k
2.4A
LIMIT
C2
22µF
TO
SYSTEM
LOAD
C3
10µF
TO µC
TO µC
WALLSNS SW
WALLGT
V
BUS
USBGT
USBSNS
CLPROG1 CLPROG2 GND PROGV
C
ID NTCBIAS
16
17
MP1
BATSNS
BATGATE
19, 20
26, 27
L1
1µH
V
OUTSNS
13
V
OUT
21, 22
CHGSNS
LTC4155
I
2
C
IRQ
OVGCAP
NTC
Single Input USB Default Current Limit with Minimum Component Count
Single Input Overvoltage Protection with USB 100mA Default Input Current Limit and 5°C/46°C/67°C Thermistor Thresholds
7
11
8
4
3
1, 2, 28
3
10
5 6 29 12 18
4155 TA03
15
14
R3
665
C1
0.047µF
9
23, 24, 25
R1 3.6k
MN1
C3
10µF
R2
1.21k
R4
8k
C2
22µF
TO
SYSTEM
LOAD
TO µC
TO µC
WALLSNS SW
WALLGT
V
BUS
USBGT
USBSNS
CLPROG1 CLPROG2 GND PROGV
C
ID NTCBIAS
16
17
MP1
BATSNS
BATGATE
19, 20
26, 27
L1
1µH
V
OUTSNS
13
V
OUT
21, 22
CHGSNS
LTC4155
I
2
C
IRQ
OVGCAP
NTC
1.8A
LIMIT
L1: COILCRAFT XFL4020-102ME
MN1: Si4430BDY
MP1: VISHAY Si5481DU-T1-GE3
PACK NTC: VISHAY NTCS0402E3103FLT