LTC4054L-4.2
16
4054l42fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2003
LT 0811 REV A • PRINTED IN USA
relaTeD parTs
Typical applicaTion
Full Featured Single Cell Li-Ion Charger Basic Li-Ion Battery Charger with
Reverse Polarity Input Protection
USB/Wall Adapter Power Li-Ion Charger
V
CC
330Ω
1µF
LTC4054L-4.2
BAT
4054L42 TA02
PROG
1.5k
IN
GND
+
4
3
2
5
CHRG
SHDN
1
100mA
CHARGING
V
CC
1µF
LTC4054L-4.2
BAT
4054L42 TA03
PROG
1.5k
5V WALL
ADAPTER
GND
4
3
2
5
+
100mA
+
LTC4054L-4.2
PROG
V
CC
5V WALL
ADAPTER
USB
POWER
Li-Ion
CELL
1k 1.5k
4
3
5
2
4054L42 TA05
GND
1µF
BAT
PART NUMBER DESCRIPTION COMMENTS
LTC1731 Lithium-Ion Linear Battery Charger Controller Simple Charger uses External FET, Features Preset Voltages, C/10 Charger
Detection and Programmable Timer
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, Safety Current Limit
LTC4053 USB Compatible Monolithic Li-Ion Battery Charger Standalone Charger with Programmable Timer, Up to 1.25A Charge Current
LTC4054 800mA Standalone Linear Li-Ion Battery Charger with
Thermal Regulation in ThinSOT
No External MOSFET, Sense Resistor or Blocking Diode Required, Charge
Current Monitor for Gas Gauging, C/10 Charge Termination
LTC4056 Standalone Lithium-Ion Linear Battery Charger in ThinSOT Standalone Charger with Programmable Timer, No Blocking Diode,
No Sense Resistor Needed
LTC4057 Monolithic Lithium-Ion Linear Battery Charger with
Thermal Regulation in ThinSOT
No External MOSFET, Sense Resistor or Blocking Diode Required, Charge
Current Monitor for Gas Gauging
LTC4058
950mA Standalone Li-Ion Charger in 3mm × 3mm DFN
USB Compatible, Thermal Regulation Protects Against Overheating
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
