16
LTC4054-4.2/LTC4054X-4.2
405442xf
PART NUMBER DESCRIPTION COMMENTS
LTC1732 Lithium-Ion Linear Battery Charger Controller Simple Charger uses External FET, Features Preset Voltages, C/10
Charger Detection and Programmable Timer, Input Power Good Indication
LTC1733 Monolithic Lithium-Ion Linear Battery Charger Standalone Charger with Programmable Timer, Up to 1.5A Charge Current
LTC1734 Lithium-Ion Linear Battery Charger in ThinSOT Simple ThinSOT Charger, No Blocking Diode, No Sense Resistor Needed
LTC1734L Lithium-Ion Linear Battery Charger in ThinSOT Low Current Version of LTC1734
LTC1998 Lithium-Ion Low Battery Detector 1% Accurate 2.5µA Quiescent Current, SOT-23
LTC4050 Lithium-Ion Linear Battery Charger Controller Simple Charger uses External FET, Features Preset Voltages, C/10
Charger Detection and Programmable Timer, Input Power Good Indication,
Thermistor Interface
LTC4052 Monolithic Lithium-Ion Battery Pulse Charger No Blocking Diode or External Power FET Required
LTC4053 USB Compatible Monolithic Li-Ion Battery Charger Standalone Charger with Programmable Timer, Up to 1.25A Charge Current
LTC4054L 10mA to 150mA Standalone Monolithic Lithium-Ion Low Current Version of LTC4054
Linear Battery Charger in ThinSOT
LTC4056 Standalone Lithium-Ion Linear Battery Charger Standalone Charger with Programmable Timer, No Blocking Diode,
in ThinSOT No Sense Resistor Needed
LTC4057 Monolithic Lithium-Ion Linear Battery Charger No External MOSFET, Sense Resistor or Blocking Diode Required,
with Thermal Regulation in ThinSOT Charge Current Monitor for Gas Gauging
LTC4410 USB Power Manager For Simultaneous Operation of USB Peripheral and Battery Charging from USB
Port, Keeps Current Drawn from USB Port Constant, Keeps Battery Fresh, Use
with the LTC4053, LTC1733, or LTC4054
LT/TP 0903 1K • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2003
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
RELATED PARTS
+
LTC4054-4.2
PROG
V
CC
5V WALL
ADAPTER
USB
POWER
Li-Ion
CELL
1k 10k
2.5k
4
3
5
2
405442 TA05
GND
1µF
100mA/
500mA
µC
BAT
I
BAT
USB/Wall Adapter Power Li-Ion Charger
800mA Li-Ion Charger with External Power Dissipation
V
CC
0.25Ω
1µF
LTC4054-4.2
BAT
800mA
405442 TA03
PROG
1.25k
V
IN
= 5V
GND
+
4
3
2
5
V
CC
1µF
LTC4054-4.2
BAT
405442 TA04
PROG
2k
5V WALL
ADAPTER
GND
4
3
2
5
+
500mA
Basic Li-Ion Charger with Reverse Polarity Input Protection
V
CC
330Ω
1µF
LTC4054-4.2
BAT
405442 TA02
PROG
2k
V
IN
= 5V
GND
+
4
3
2
5
CHRG
SHDN
1
500mA
Full Featured Single Cell Li-Ion Charger
TYPICAL APPLICATIO S
U
