LTC4052-4.2_15 Datasheet, PDF (12/12 Pages) Linear Technology – Lithium-Ion Battery Pulse Charger with Overcurrent Protection

LTC4052-4.2
TYPICAL APPLICATIO
Minimum Component Count 4.2V Li-Ion Battery Charger
V_IN = 5V TO 10V WITH 600mA CURRENT LIMIT
3
V_IN
LTC4052
6
NC CHRG
2
NC ACPR
1
SENSE
7
GATE
8
BAT
TIMER GND
C_TIMER ⁵
4
0.1µF
10k
0.047µF
0.022µF
1-CELL 4.2V
600mA
Li-Ion BATTERY
4052 TA04
RELATED PARTS
PART NUMBER DESCRIPTION
LT1510-5
500kHz CC/CV Battery Charger
LTC1730
Li-Ion Battery Pulse Charger with Thermistor Interface
LTC1731
Li-Ion Battery Charger Controller
LTC1732
Li-Ion Battery Charger Controller
LTC1733
Li-Ion Battery Charger with Thermal Regulation
LTC1734/
LTC1734L
LTC4050
LTC4053
LTC4054
ThinSOT^TM Li-Ion Battery Charger
Li-Ion Battery Charger Controller with Thermistor Interface
USB Compatible Li-Ion Battery Charger
Standalone, Monolithic Li-Ion Battery Charger in ThinSOT
COMMENTS
Most Compact, Up to 1.5A, Charges NiCd, NiMH, Li-Ion Cells
Battery Temperature Sensing, FAULT Output, SSOP-16 Package
CC/CV Charges Li-Ion Cells, 8-Lead MSOP
CC/CV Charges Li-Ion Cells, Automatic Battery Detection, 10-Lead MSOP
Standalone Charger, Constant-Current/Constant-Voltage/
Constant-Temperature, Integrated MOSFET, No External Sense Resistor
or Blocking Diodes
Only Two External Components, 50mA to 700mA I_CHARGE, No Reverse
Current Diode Required, No Sense Resistor Required
Drives External MOSFET, 10-Lead MSOP
Fully Integrated, Standalone USB Battery Charger, Thermal Regulation
Prevents Overheating, Charges from USB Port and/or Wall Adapter Input
C/10 Charge Termination, up to 800mA Charge Current
ThinSOT is a trademark of Linear Technology Corporation
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^q FAX: [phone] ^q www.linear.com
405242f
LT/TP 0303 2K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2001