Datasheet

LTC4156
52
4156f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2012
LT 0312 • 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
4156 TA06
15
14
R5
340Ω
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
1µH
V
OUTSNS
13
V
OUT
21, 22
CHGSNS
LTC4156
I
2
C
IRQ
OVGCAP
NTC
MP1
L1: COILCRAFT XFL4020-102ME
MN1, MN2: FAIRCHILD FDMC8030
MP1, MP2: VISHAY, Si5481DU-T1-GE3
3.52A
LIMIT
LiFePO
4
BATTERY
PART NUMBER DESCRIPTION COMMENTS
LT C 4155 Dual Input Power Manager/3.5A Li-Ion Battery
Charger with I
2
C Control and USB OTG
High Efficiency 3.5A Charger Specifically Designed for Li-Ion/Polymer;
Monolithic Switching Regulator Makes Optimal Use of Limited Power and
Thermal Budget; Float Voltages: 4.05V, 4.10V, 4.15V, 4.20V; I
2
C/SMBus
Control and Status Feedback; 4mm × 5mm QFN-28 Package.
LT C 4085/LTC 4085-1 Linear USB Power Manager with
Ideal Diode
Controller and Li-Ion Charger
Charges Single Cell Li-Ion Batteries Directly from a USB Port, Thermal
Regulation, 200mΩ Ideal Diode with <50mΩ Option, LT C 4085-1 Has 4.1V
V
FLOAT
, 3mm × 4mm DFN-14 Package
LT C 4088 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
LT C 4089/LTC 4089-1
LT C 4089
-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 (LT C 4089); Fixed 5V Output
(LT C 4089-5/LTC 4089-1); LT C 4089-1 for 4.1V Float Voltage Batteries,
3mm × 6mm DFN-22 Package;
LT C 4090/LTC 4090-5 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; LT C 4090-5 Has No Bat-Track. 3mm × 6mm
DFN-22 Package
LT C 4098/
LT C 4098-3.6
USB-Compatible Switchmode Power Manager with
OVP
LT C 4098-3.6 Option for LiFePO
4
Cells; 66V OVP. 1.5A Max Charge Current
from Wall, 600mA Charge Current from USB, 3mm × 4mm QFN-20 Package
LT C 4099 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
LT C 4160/LTC 4160-1 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