Datasheet

LTC4155
52
4155fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2011
LT 0512 REV C • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
Dual-Input Overvoltage Protection with 1.21A Default Input Current Limit and Output Voltage Disconnect
7
R1
3.6k
11
8
4
3
1, 2, 28
3
10
5 6 29 12 18
4155 TA06
15
14
R5
340
C2
0.047µF
C1
0.01µF
9
23, 24, 25
R2 3.6k
MN1B
MN2B
C4 10µF
MN1A
MN2A
R3
1k
R4
1.21k
R6
100k
C3
22µF
TO
SYSTEM
LOAD
TO µC
TO µC
WALLSNS SW
WALLGT
V
BUS
USBGT
USBSNS
CLPROG1 CLPROG2 GND PROGV
C
ID NTCBIAS
16
17
MP2
BATSNS
BATGATE
19, 20
26, 27
L1
H
V
OUTSNS
13
V
OUT
21, 22
CHGSNS
LTC4155
I
2
C
IRQ
OVGCAP
NTC
MP1
L1: COILCRAFT XFL4020-102ME
MN1, MN2: FAIRCHILD FDMC8030
MP1, MP2: VISHAY, Si5481DU-T1-GE3
3.52A
LIMIT
PART NUMBER DESCRIPTION COMMENTS
LTC4156 Dual-Input Power Manager/3.5A LiFePO
4
Battery
Charger with I
2
C Control and USB OTG
High Efficiency Charger Capable of 3.5A Charge Current, Monolithic
Switching Regulator Makes Optimal Use of Limited Power and Thermal
Budget, Dual Input Overvoltage Protection Controller, Priority Multiplexing
for Multiple Inputs, I
2
C/SMBus Control and Status Feedback, NTC
Thermistor ADC for Temperature Dependent Charge Algorithms (JEITA),
Instant-On Operation with Low Battery, Battery Ideal Diode Controller for
Poser Management, USB On-The-Go Delivery to the USB Port, Full Featured
LifePO
4
Battery Charger with Four Float Voltage Settings, 28-Lead 4mm ×
5mm QFN Package
LTC4088 High Efficiency USB Power Manager and Battery
Charger
Maximizes Available Power from USB Port, Bat-Track™, Instant-On
Operation, 1.5A Max Charge Current, 3mm × 4mm DFN-14 Package
LTC4089/LTC4089-1
LTC4089-5
High Voltage USB Power Manager with Ideal
Diode Controller and High Efficiency Li-Ion Battery
Charger
High Efficiency 1.2A Charger from 6V to 36V (40V Max) Input;
Bat-Track Adaptive Output Control (LTC4089); Fixed 5V Output
(LTC4089-5/LTC4089-1); LTC4089-1 for 4.1V Float Voltage Batteries,
3mm × 6mm DFN-22 Package;
LTC4090/LTC4090-5 High Voltage USB Power Manager with Ideal
Diode Controller and High Efficiency Li-Ion Battery
Charger
High Efficiency 1.2A Charger from 6V to 38V (60V Max) Input Bat-Track
Adaptive Output Control; LTC4090-5 Has No Bat-Track. 3mm × 6mm
DFN-22 Package
LTC4098/LTC4098-1 USB-Compatible Switchmode Power Manager
with OVP
66V OVP. 1.5A Max Charge Current from Wall, 600mA Charge Current from
USB, LTC4098-1 Has 4.1V V
FLOAT
, 3mm × 4mm QFN-20 Package
LTC4099 I
2
C Controlled USB Switchmode Power Manager
with OVP
66V OVP. I
2
C for Control and Status Readback, 1.5A Max Charge Current
from Wall, 600mA Charge Current from USB, 3mm × 4mm QFN-20 Package
LTC4160/LTC4160-1 Switchmode Power Manager with OVP and
USB-OTG
USB-OTG 5V Output, Overvoltage Protection, Maximizes Available Power
from USB Port, Bat-Track, Instant-On Operation, 1.5A Max Charge Current
from Wall, 600mA Charge Current from USB, 3mm × 4mm QFN-20 Package
LTC4098-3.6 USB-Compatible Switchmode LiFePO
4
Power
Manager with OVP
3.6V V
FLOAT
for LiFePO
4
Cells; 66V OVP. 1.5A Max Charge Current from
Wall, 600mA Charge Current from USB, 3mm × 4mm QFN-20 Package