Datasheet

12
LTC1732-8.4
17328f
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
LTC1571-1/ 200kHz/500kHz 1.5A Constant-Current/Constant-Voltage Charges 1- or 2-Cell Li-Ion Batteries, Preset and Adjustable
LTC1571-2/ Battery Charger Battery Voltages, C/10 Charge Detection
LTC1571-5
LT1620 Rail-to-Rail Current Sense Amplifier Precise Output Current Programming, Up to 32V
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
LTC1730/ Complete Li-Ion Pulse Battery Charger with Internal FET Efficient 1.5A Charger with Many Features Including
LTC4052 and Thermal Regulation Overcurrent Battery Protection
LTC1731 Complete Li-Ion Linear Battery Charger Controller Single Cell and 2-Cell Li-Ion, C/10 Detection, Complete Charger
LTC1732-4/ Complete Linear Battery Charger Controller No Firmware Required, AC Adapter Indicator
LTC1732-4.2 for Single Cell Li-Ion Battery Automatic Charge and Recharge
LTC1733 CompleteLi-Ion Linear Battery Charger with Internal FET 1.5A Charger with Many Features Including Thermal Feedback for
Increased Charge Current without Exceeding Maximum Temperature
LTC1734/ ThinSOT Li-Ion Linear Charger Only Two External Components, V
PROG
Tracks I
CHARGE
LTC1734L No Diode Needed, No Sense Resistor Needed,
50mA to 700mA Charge Current
LTC4050 Complete Li-Ion Linear Charger with Thermistor Interface No Firmware Required, AC Adapter Indicator
Automatic Charge and Recharge
LTC4053 USB Compatible Li-Ion Linear Battery Charger Operate from Wall Adapter Input and/or USB Input, 100mA/500mA up
to 1.25A Charge Current, Thermal Limit Prevent Over Heating,
Standalone Charger.
LTC4412 Low Loss PowerPath
TM
Controller in ThinSOT
TM
Automatic Switching Between DC Sources, Load Sharing,
Replaces ORing Diodes
ThinSot and PowerPath are trademarks of Linear Technology Corporation.
RELATED PARTS
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
U
TYPICAL APPLICATIO
SEL V
CC
V
IN
= 10V
SENSE
DRV
R2
2k
R
SENSE
0.25Ω
R1
10k
R
PROG
19.6k
2-CELL
Li-ION
LTC1732-8.4
BAT
CHRG
9
82
MBRM120T3
C2
10µF
C1
1nF
1732 TA02
C3
1µF
I
BAT
= 400mA
C
TIMER
*
0.1µF
Q1
2N5087
7
1
6
5
3
4
TIMER
PROG
GND
Q2
ZTX749
*AVX 0603ZC104KAT1A
+
CHARGE
STATUS
ACPR
2k
10
2-Cell 8.4V Linear Charger Using a PNP Pass Transistor
 LINEAR TECHNOLOGY CORPORATION 2001
LT/TP 0203 2K • PRINTED IN THE USA