LTC4067
20
4067f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2007
LT 0407 • PRINTED IN USA
TYPICAL APPLICATIO
U
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
Battery Chargers
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in ThinSOT™
Thermal Regulation Prevents Overheating, C/10 Termination, C/10 Indicator, Up to 800mA
Charge Current
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LTC4065/LTC4065A Standalone Li-Ion Battery Chargers
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V
IN
= 3V to 36V, More Effi cient than Diode ORing, Automatic Switching Between DC
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Power Management
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Seamless Transition Between Power Sources: USB, Wall Adapter and Battery; 95%
Effi cient DC/DC Conversion
LTC4055 USB Power Controller and Battery
Charger
Charges Single Cell Li-Ion Batteries Directly from a USB Port, Thermal Regulation,
200mΩ Ideal Diode, 4mm × 4mm QFN16 Package
LTC4066 USB Power Controller and Li-Ion Battery
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Charges Single Cell Li-Ion Batteries Directly from a USB Port, Thermal Regulation, 50mΩ
Ideal Diode, 4mm × 4mm QFN24 Package
LTC4085 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, 4mm × 3mm DFN14 Package
LTC4089/
LTC4089-5
USB Power Manager with Ideal Diode
Controller and High Effi ciency Li-Ion
Battery Charger
High Effi ciency 1.2A Charger from 6V to 36V (40V Max) Input Charges Single-Cell Li-Ion
Batteries Directly from a USB Port, Thermal Regulation, 200mΩ Ideal Diode with <50mΩ
option, Bat-Track Adaptive Output Control (LTC4089), Fixed 5V Output (LTC4089-5), 4mm
× 3mm DFN-14 Package
ThinSOT is a trademark of Linear Technology Corporation.
Li-Ion Charger/Controller with Overvoltage Protection
LTC4067
OUT
GATE
1-CELL
Li-Ion
10μF
IN
INPUT
CURRENT
MONITOR
LOAD
ENABLEQ3
R
PROG
2k
R
CLPROG
1k
IN
CHRG
BAT
NTC
I
LIM0
PROG
I
LIM1
CLPROG
GND
WALL
ADAPTER
1μF 10μF
D1
OPTIONAL
Q1
Q1, Q2: IFR7404
CHARGE CURRENT
MONITOR
4067 TA02
OVP
OVI
OPTIONAL
SOURCE
DRAIN
10nF
Q2
