LT3651-8.2/LT3651-8.4
24
36518284fa
For more information www.linear.com/LT3651-8.2
LINEAR TECHNOLOGY CORPORATION 2012
LT 0715 REV A • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LT3651-8.2
PART NUMBER DESCRIPTION COMMENTS
LT3651-4.1/LT3651-4.2 Monolithic 4A Switch Mode Synchronous
1-Cell Li-Ion Battery Charger
Standalone, 4.75 ≤ V
IN
≤ 32V (40V Abs Max), 1MHz, 4A, Programmable Charge
Current Timer or V/10 Termination 5mm × 6mm QFN-36 Package
LT3650 2A Monolithic Li-Ion Battery Charger High Efficiency, Wide Input Voltage Range Charger, Time or Charge Current
Termination, Automatic Restart, Temperature Monitoring, Programmable Charge
Current, Input Current Limit, 12-Lead DFN and MSOP Packages
LT3652/LT3652HV Power Tracking 2A Battery Charger Input Supply Voltage Regulation Loop for Peak Power Tracking in (MPPT)
Solar Applications, Standalone, 4.95V ≤ V
IN
≤ 32V (40V Abs Max), 1MHz, 2A
Programmable Charge Current, Timer or C/10 Termination, 3mm × 3mm DFN-12
Package and MSOP-12 Packages. LT3652HV Version Up to V
IN
= 34V
LTC4000 High Voltage High Current Controller for
Battery Charging and Power Management
Complete High Performance Battery Charger When Paired with a DC/DC Converter
Wide Input and Output Voltage Range: 3V to 60V ±0.25% Accurate Programmable
Float Voltage, Programmable C/X or Timer Based Charge Termination NTC Input for
Temperature Qualified Charging, 28-Lead 4mm × 5mm QFN or SSOP Packages
LTC4002 Standalone Li-Ion Switch Mode
Battery Charger
Complete
Charger for 1- or 2-Cell Li-Ion Batteries, Onboard T
imer Termination,
Up to 4A Charge Current, 10-Lead DFN and SO-8 Packages
LTC4006 Small, High Efficiency, Fixed Voltage
Li-Ion Battery Charger with Termination
Complete Charger for 2-, 3- or 4-Cell Li-Ion Batteries, AC Adapter Current Limit
and Thermistor Sensor, 16-Lead Narrow SSOP Package
LTC4007 High Efficiency, Programmable V
oltage
Battery Charger with Termination
Complete Charger for 3- or 4-Cell Li-Ion Batteries, AC Adapter Current Limit,
Thermistor Sensor and Indicator Outputs, 24-Lead SSOP Package
LTC4008 4A, High Efficiency, Multi-Chemistr
y
Battery Charger
Complete Charger for 2- to 6-Cell Li-Ion Batteries or 4- to 18-Cell Nickel Batteries,
Up to 96% Efficiency, 20-Lead SSOP Package
LTC4009/LTC4009-1
LTC4009-2
High Efficiency, Multi-Chemistr
y
Battery Charger
Complete Charger for 1- to 4-Cell Li-Ion Batteries or 4- to 18-Cell Nickel Batteries,
Up to 93% Efficiency, 20-Lead (4mm × 4mm) QFN Package, LTC4009-1 for 4.1V
Float Voltage, LTC4009-2 for 4.2V Float Voltage
LTC4012/LTC4012-1/
LTC4012-2/LTC4012-3
4A, High Efficiency, Multi-Chemistry
Battery Charger with PowerPath Control
PowerPath Control, Constant-Current/Constant-V
oltage Switching Regulator
Charger, Resistor, Voltage/Current Programming, AC Adapter Current Limit and
Thermistor Sensor and Indicator Outputs, 1 to 4-cell Li, Up to 18-cell Ni, SLA and
SuperCap Compatible; 4mm × 4mm QFN-20 Package; LTC4012-1 Version for 4.1V
Li Cells, LTC4012-2 Version for 4.2V Li Cells, LTC4012-3 Version Has Extra GND Pin
RELATED PARTS
TYPICAL APPLICATION
9V to 32V 4A Charger with 3-Hour Charge Timeout, 6.3A Input Current
Limit, 10ms Soft-Start and Battery Temperature Monitoring
ACPR
FAULT
CHRG
RT
TIMER
BOOST
SENSE
BAT
I
LIM
GND
RNG/SS
NTC
CLP
SHDN SW
R
IL
16mΩ
CLN
1µF
NC
C
TIMER
0.68µF
C
BAT
100µF
0.47µF
NTC B
10k
3651 TA04
3.3µH
TO
SYSTEM
LOAD
R
SENSE
24mΩ
R
T
54.9k
V
IN
V
LOGIC
TO
CONTROLLER
1N5819
LT3651-8.2
LT3651-8.4
V
IN
C
IN
22µF
1µF
50k
50k50k50k
SBM540
+
2-CELL
Li-Ion
BATTERY
