LTC1732-4 LINER [Linear Technology], LTC1732-4 Datasheet - Page 12

• Manufacturer Part Number: LTC1732-4
• Description: Lithium-Ion Linear Battery Charger Controller
• Manufacturer: LINER [Linear Technology]

RELATED PARTS
LTC1732-4/LTC1732-4.2
TYPICAL APPLICATIO
PART NUMBER
LT
LT1512
LTC1541
LT1620
LTC1729
LTC1730
LTC1734
ThinSOT is a trademark of Linear Technology Corporation.
12
®
1510-5
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
DESCRIPTION
500kHz Constant-Voltage/Constant-Current Battery Charger
SEPIC Battery Charger
Op Amp, Comparator and Reference with 5 A I
Rail-to-Rail Current Sense Amplifier
Termination Controller for Li-Ion
Li-Ion Pulse Charger
ThinSOT
TM
Li-Ion Linear Battery Charger
0.1 F
1k
Single Cell 4.1V, High Efficiency 1.5A Li-Ion Battery Charger
C1
U
R1
1k
10
3
4
CHRG
ACPR
TIMER
SEL
LTC1732-4
2
V
CC
8
SENSE
GND
PROG
DRV
BAT
CC
5
9
7
1
6
LTC1693-5 4
R4
19.6k
4.7
C4
0.47 F
R2
COMMENTS
Most Compact, Up to 1.5A, Charges NiCd, NiMH, Li-Ion Cells
V
Low Cost Linear Charger—See Design Note 188
Precise Output Current Programming, Up to 32V V
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 V
1
IN
2
Can Be Higher or Lower Than Battery Voltage, 1.5A Switch
8
7
V
6V
IN
+
Q2
Si2305DS
R3
0.082
1/4W
15 H
CDRH6D28-150NC
1-CELL
Li-Ion
BATTERY
D2
MBRS130LT3
+
MBRS130LT3
C2
22 F
+
PROG
D1
1732 TA03
C3
220 F
Pin.
1732f LT/TP 0501 2K • PRINTED IN THE USA
LINEAR TECHNOLOGY CORPORATION 2000
OUT
, Up to 10A I
OUT