LTC4078/LTC4078X
16
4078xfb
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 0308 REV B • PRINTED IN USA
TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
LTC3455 Dual DC/DC Converter with USB Power
Management and Li-Ion Battery Charger
Effi ciency >96%, Accurate USB Current Limiting (500mA/100mA), 4mm × 4mm
QFN-24 Package
LTC4053 USB Compatible Monolithic Li-Ion Battery
Charger
Standalone Charger with Programmable Timer, Up to 1.25A Charge Current
LTC4054/LTC4054X Standalone Linear Li-Ion Battery Charger with
Integrated Pass Transistor in ThinSOT™
Thermal Regulation Prevents Overheating, C/10 Termination, C/10 Indicator,
Up to 800mA Charge Current
LTC4055 USB Power Controller and Battery Charger Charges Single-Cell Li-Ion Batteries Directly from USB Port, Thermal Regulation,
4mm × 4mm QFN-16 Package
LTC4058/LTC4058X Standalone 950mA Lithium-Ion Charger in DFN C/10 Charge Termination, Battery Kelvin Sensing, ±7% Charge Accuracy
LTC4061 Standalone Li-Ion Charger with Thermistor
Interface
4.2V, ±0.35% Float Voltage, Up to 1A Charge Current
LTC4066 USB Power Controller and Li-Ion Linear Battery
Charger with Low-Loss Ideal Diode
Seamless Transition Between Input Power Sources: Li-Ion Battery, USB and Wall
Adapter, Low Loss (50mΩ) Ideal Diode, 4mm × 4mm QFN-24 Package
LTC4068/LTC4068X Standalone Linear Li-Ion Battery Charger with
Programmable Termination
Charge Current Up to 950mA, Thermal Regulation, 3mm × 3mm DFN-8 Package
LTC4075/
LTC4075HVX
Dual Input Standalone Li-Ion Battery Charger 950mA Charger Current, Thermal Regulation, C/X Charge Termination, USB
Charge Current Set Via Resistor, 3mm × 3mm DFN Package; LTC4075HVX Has
22V Input Protection.
LTC4076 Dual Input Standalone Li-Ion Battery Charger 950mA Charger Current, Thermal Regulation, C/X Charge Termination,
Fixed C or C/5 USB Charge Current for Low Power USB Operation, 3mm × 3mm
DFN Package
LTC4077 Dual Input Standalone Li-Ion Battery Charger 950mA Charger Current, Thermal Regulation, C/X Charge Termination,
Programmable C or C/x USB Charge Current for Low Power USB Operation,
Fixed C/10 Wall Adapter and C/10 or C/2 Charge Current Termination,
3mm × 3mm DFN Package
LTC4085 USB Power Manager with Ideal Diode Controller
and Li-Ion Charger
Charges Single-Cell Li-Ion Batteries Directly from USB Port, Thermal Regulation,
200mΩ Ideal Diode with <50mΩ Option, 4mm × 3mm DFN-14 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 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
LTC4411/LTC4412 Low Loss PowerPath™ Controller in ThinSOT Automatic Switching Between DC Sources, Load Sharing, Replaces ORing Diodes
ThinSOT and PowerPath are trademarks of Linear Technology Corporation.
Full Featured Li-Ion Charger
1.24k
1%
WALL
ADAPTER
USB
POWER
1μF
1μF
800mA (WALL)
475mA (USB)
4078X TA02
2.1k
1%
1k
1%
1k 1k
LTC4078
IDC
IUSB
DCIN
USBIN
BAT
PWR
ITERM
CHRG
GND
BATDET
3.9k
+
4.2V Li-Ion
BATTERY
PACK
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