Datasheet

12
LTC4050
4050f
 LINEAR TECHNOLOGY CORPORATION 2002
LT/TP 0203 2K • PRINTED IN THE USA
PART NUMBER DESCRIPTION COMMENTS
LT
®
1510-5 500kHz Constant-Voltage/Constant-Current Battery Charger Most Compact, Up to 1.5A, Charges NiCd, NiMH, Li-Ion Cells
LT1512 SEPIC Battery Charger V
IN
Can Be Higher or Lower Than Battery Voltage, 1.5A Switch
LT1620 Rail-to-Rail Current Sense Amplifier Precise Output Current Programming, Up to 32V V
OUT
, Up to 10A I
OUT
LTC1729 Termination Controller for Li-Ion Time or Charge Current Termination, Automatic Charger/Battery
Detection, Status Output, Preconditioning, 8-Lead MSOP;
Timer; AC Adapter Present Detection; No Firmware Required
LTC1731 Li-Ion Linear Battery Charger Controller CC/CV Charges Li-Ion Cells, 8-Lead MSOP, Programmable Timer; No
Firmware Required
LTC1732 Li-Ion Linear Battery Charger Controller Adapter Present Detection; Programmable Timer; No Firmware Required
LTC1733 Li-Ion Linear Charger with Thermal Regulation Complete Standalone Charger, Thermal Regulator Prevents Overheating
LTC1734 ThinSOT Li-Ion Linear Battery Charger Controller Only Two External Components; No Diode; No Sense Resistor; V
PROG
LTC1734L Allows Monitoring I
CHARGE
LTC4052 Li-Ion Linear Battery Pulse Charger Detects Maximum I
CHARGE
for Safety; No MOSFET; No Diode; No
Firmware Required
LTC4053 USB Compatible Li-Ion Battery Charger USB and Wall Adapter Input, 100mA/500mA or Up to 1.25A Charge
Current Standalone Charger
ThinSOT is a trademark of Linear Technology Corporation.
RELATED PARTS
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
Single Cell 4.1V, 1.5A High Efficiency Li-Ion Battery Charger
TYPICAL APPLICATIO S
U
Linear Charger Using a PNP Transistor
V
CC
V
IN
6V
SENSE
DRV
1k
0.2Ω
10k
19.6k
4.2V
Li-Ion
CELL
LTC4050-4.2
BAT
CHRG
9
8
MBRM120T3
10µF
1nF
1µF
I
BAT
= 500mA
+
0.1µF
2N5087
7
1
6
5
3
4
TIMER
PROG
GND
2
NTC
ACPR
10
1k
ZTX749
4050 TA02
10k NTC
DALE NTHS-1206N02
T
V
CC
V
IN
6V
SENSE
DRV
0.082Ω
1/4W
MBRS130LT3
MBRS130LT3
19.6k
+
LTC4050-4.1
BAT
CHRG
9
3
8
7
1
LTC1693-5
4
8
4050 TA04
22µF
0.1µF
Si2305DS
7
1
6
5
3
1k
1k
4
TIMER
PROG
GND
2
NTC
ACPR
10
0.47µF
4.7Ω
+
220µF
15µH
CDRH6D28-150NC
+
10k NTC
DALE
NTHS-1206N02
T
1
4.1V
Li-Ion
CELL