LT3652EDD-PBF Ver la hoja de datos (PDF) - Linear Technology
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LT3652EDD-PBF Datasheet PDF : 26 Pages
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LT3652
TYPICAL APPLICATION
1A Solar Panel Powered 3-Stage 12V Lead-Acid Fast/Float Charger; 1A Charger Fast Charges with CC/CV
Characteristics Up to 14.4V; When Charge Current Falls to 0.1A Charger Switches to 13.5V Float Charge Mode;
Charger Re-Initiates 14.4V Fast Charge Mode if Battery Voltage Falls Below 13.2V and Trickle Charges at 0.15A if
Battery Voltage is Below 10V; 0°C to 45°C Battery Temperature Charging Range
SOLAR PANEL INPUT MBRS140
<40V OC VOLTAGE
16V PEAK POWER VOLTAGE
10μF
499k
100k
4.7μF
VIN
SW
LT3652
VIN_REG
BOOST
1μF 1N914 BZX84C6V2L WURTH
7447779122
22μH MBRS340
SHDN
SENSE
0.1
CHRG
BAT
910
FAULT
NTC
309k
10μF
174k
TIMER
VFB
+
100μF
+
SYSTEM
LOAD
1M
1N4148
100k
12V LEAD
ACID BATTERY
10k
B = 3380
muRata
NCP18XH103
3652 TA04
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PART NUMBER
DESCRIPTION
COMMENTS
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Li-Ion Battery Charger
LTC4002
LTC4006
Switch Mode Lithium-Ion Battery Charger
Small, High Efficiency, Fixed Voltage,
Lithium-Ion Battery Charger with
Termination and Thermistor Sensor
Standalone, 4.75V ≤ VIN ≤ 32V (40V Absolute Maximum), 1MHz, 2A
Programmable Charge Current, Timer or C/10 Termination, Small and Few
External Components, 3mm × 3mm DFN12 Package, –4.1 for 4.1V Float Voltage
Batteries, –4.2 for 4.2V Float Voltage Batteries
Standalone, 9V ≤ VIN ≤ 32V (40V Absolute Maximum), 1MHz, 2A Programmable
Charge Current, Timer or C/10 Termination, Small and Few External
Components, 3mm × 3mm DFN12 Package, –8.2 for 2 × 4.1V Float Voltage
Batteries, –8.4 for 2 × 4.2V Float Voltage Batteries
Standalone, 4V ≤ VIN ≤ 5.5V (6V Absolute Maximum, 7V Transient), 1.5MHz,
Synchronous Rectification Efficiency >90%, Adjustable Timer Termination, Small
and Few External Components, 4mm × 4mm QFN-16 Package –1 for 4.1V Float
Voltage Batteries
Standalone, 4.7V ≤ VIN ≤ 24V, 500kHz Frequency, 3 Hour Charge Termination
Complete Charger for 3- or 4-Cell Li-Ion Batteries, AC Adapter Current Limit,
16-Pin Narrow SSOP Package
LTC4007
LTC4008
High Efficiency, Programmable Voltage
Battery Charger with Termination
4A, High Efficiency, Multi-Chemistry
Battery Charger
LTC4009/LTC4009-1/ 4A, High Efficiency, Multi-Chemistry
LTC4009-2
Battery Charger
LTC40012/LTC40012-1/ 4A, High Efficiency, Multi-Chemistry
LTC40012-2/ LTC4012-3 Battery Charger with PowerPath™ Control
Complete Charger for 3- or 4-Cell Li-Ion Batteries, AC Adapter Current Limit,
Thermistor Sensor and Indicator Outputs
Constant-Current/Constant-Voltage Switching Regulator Charger, Resistor
Voltage/Current Programming, AC Adapter Current Limit and Thermistor Sensor
and Indicator Outputs
Constant-Current/Constant-Voltage 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 –1 Version for 4.1V Li Cells, –2 Version
for 4.2V Li Cells
PowerPath Control, Constant-Current/Constant-Voltage 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 –1 Version for 4.1V Li Cells,
–2 Version for 4.2V Li Cells, –3 Version has Extra GND Pin
PowerPath is a trademark of Linear Technology Corporation.
3652fb
26 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LT 0210 REV B • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2010
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