LTC1732-4.2 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC1732-4.2 Datasheet PDF : 12 Pages
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LTC1732-4/LTC1732-4.2
TYPICAL APPLICATIO
Single Cell 4.1V, High Efficiency 1.5A Li-Ion Battery Charger
1k
C1
0.1µF
R1
1k
8
VCC
3
9
CHRG SENSE
10
ACPR
7
DRV
LTC1732-4
4
TIMER
1
BAT
6
PROG
SEL GND
2
5
C4
0.47µF
R2
4.7Ω
2
18
7
LTC1693-5 4
R4
19.6k
VIN
6V
D2
MBRS130LT3
+ C2
R3
22µF
0.082Ω
1/4W
D1
Q2
MBRS130LT3
Si2305DS
15µH
CDRH6D28-150NC
+ 1-CELL +
Li-Ion
BATTERY
C3
220µF
1732 TA03
RELATED PARTS
PART NUMBER
LT®1510-5
LT1512
LTC1541
LT1620
LTC1729
DESCRIPTION
500kHz Constant-Voltage/Constant-Current Battery Charger
SEPIC Battery Charger
Op Amp, Comparator and Reference with 5µA ICC
Rail-to-Rail Current Sense Amplifier
Termination Controller for Li-Ion
LTC1730
Li-Ion Pulse Charger
LTC1734
ThinSOTTM Li-Ion Linear Battery Charger
ThinSOT is a trademark of Linear Technology Corporation.
COMMENTS
Most Compact, Up to 1.5A, Charges NiCd, NiMH, Li-Ion Cells
VIN Can Be Higher or Lower Than Battery Voltage, 1.5A Switch
Low Cost Linear Charger—See Design Note 188
Precise Output Current Programming, Up to 32V VOUT, Up to 10A IOUT
Time or Charge Current Termination, Automatic Charger/Battery
Detection, Status Output, Preconditioning, 8-Lead MSOP
Minimum Heat Dissipation; No Reverse Current Diode Needed; No
MOSFET Required; Limits Charge Current for Safety
Only Two External Components; Charge Termination and Gas Gauging
Provided by Monitoring VPROG Pin.
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
sn1732 1732fs LT/TP 0501 2K • PRINTED IN THE USA
© LINEAR TECHNOLOGY CORPORATION 2000
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