LTC1732EMS-8.4 Linear Technology, LTC1732EMS-8.4 Datasheet - Page 12

• Manufacturer Part Number: LTC1732EMS-8.4
• Description: IC BATTCHRG CNTRLR LI-ION 10MSOP
• Manufacturer: Linear Technology

Specifications of LTC1732EMS-8.4

• Function: Charge Management
• Battery Type: Li-Ion, NiCd, NiMH
• Voltage - Supply: 4.5 V ~ 12 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LTC1732EMS8.4

RELATED PARTS
LTC1732-8.4
TYPICAL APPLICATIO
PART NUMBER
LT
LT1512
LTC1571-1/
LTC1571-2/
LTC1571-5
LT1620
LTC1729
LTC1730/
LTC4052
LTC1731
LTC1732-4/
LTC1732-4.2
LTC1733
LTC1734/
LTC1734L
LTC4050
LTC4053
LTC4412
ThinSot and PowerPath are trademarks of Linear Technology Corporation.
12
®
1510-5
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
DESCRIPTION
500kHz Constant-Voltage/Constant-Current Battery Charger
SEPIC Battery Charger
200kHz/500kHz 1.5A Constant-Current/Constant-Voltage
Battery Charger
Rail-to-Rail Current Sense Amplifier
Termination Controller for Li-Ion
Complete Li-Ion Pulse Battery Charger with Internal FET
and Thermal Regulation
Complete Li-Ion Linear Battery Charger Controller
Complete Linear Battery Charger Controller
for Single Cell Li-Ion Battery
CompleteLi-Ion Linear Battery Charger with Internal FET
ThinSOT Li-Ion Linear Charger
Complete Li-Ion Linear Charger with Thermistor Interface
USB Compatible Li-Ion Linear Battery Charger
Low Loss PowerPath
CHARGE
TM
2k
STATUS
Controller in ThinSOT
C
U
TIMER
0.1 F
2-Cell 8.4V Linear Charger Using a PNP Pass Transistor
*
www.linear.com
R2
2k
10
3
4
CHRG
ACPR
TIMER
SEL
LTC1732-8.4
2
TM
GND
5
SENSE
PROG
V
DRV
BAT
CC
*AVX 0603ZC104KAT1A
8
9
7
1
6
R
19.6k
COMMENTS
Most Compact, Up to 1.5A, Charges NiCd, NiMH, Li-Ion Cells
V
Charges 1- or 2-Cell Li-Ion Batteries, Preset and Adjustable
Battery Voltages, C/10 Charge Detection
Precise Output Current Programming, Up to 32V
Time or Charge Current Termination, Automatic Charger/Battery
Detection, Status Output, Preconditioning, 8-Lead MSOP
Efficient 1.5A Charger with Many Features Including
Overcurrent Battery Protection
Single Cell and 2-Cell Li-Ion, C/10 Detection, Complete Charger
No Firmware Required, AC Adapter Indicator
Automatic Charge and Recharge
1.5A Charger with Many Features Including Thermal Feedback for
Increased Charge Current without Exceeding Maximum Temperature
Only Two External Components, V
No Diode Needed, No Sense Resistor Needed,
50mA to 700mA Charge Current
No Firmware Required, AC Adapter Indicator
Automatic Charge and Recharge
Operate from Wall Adapter Input and/or USB Input, 100mA/500mA up
to 1.25A Charge Current, Thermal Limit Prevent Over Heating,
Standalone Charger.
Automatic Switching Between DC Sources, Load Sharing,
Replaces ORing Diodes
C1
1nF
PROG
IN
Can Be Higher or Lower Than Battery Voltage, 1.5A Switch
Q1
2N5087
R1
10k
V
IN
= 10V
Q2
ZTX749
+
R
0.25
I
SENSE
MBRM120T3
BAT
2-CELL
Li-ION
= 400mA
1732 TA02
C3
1 F
C2
10 F
PROG
LINEAR TECHNOLOGY CORPORATION 2001
Tracks I
LT/TP 0203 2K • PRINTED IN THE USA
CHARGE
OUT
, Up to 10A I
OUT
17328f