LT1571

PRODUCTION

Constant-Current/Constant-Voltage Battery Charger with Preset Voltage and Termination Flag

Data Sheet Product Selection Table

Part Models: 6
1ku List Price: Starting From $4.93

Viewing:

Part Details

Fast Charging of Li-Ion, NiMH and NiCd Batteries
Simple Charge Current Programming Requires Only One Low Cost, 1/32W Resistor
High Efficiency Charger with Up to 1.5A Charge Current
Precision 0.6% Internal Voltage Reference
Preset Battery Voltages: 4.1V, 4.2V, 8.2V, 8.4V
500kHz or 200kHz Switching Frequency Minimizes Charger Size
Low Reverse Battery Drain Current: 5µA
Flag Indicates Li-Ion Charge Completion
5% Typical Charge Current Accuracy
Low Shutdown Current
LT1571-1: 200kHz, Adjustable Voltage
LT1571-2: 200kHz, Fixed 8.2V or 8.4V
LT1571-5: 500kHz, Fixed 4.1V or 4.2V

Part Models: 6
1ku List Price: Starting From $4.93

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LT1571EGN-1#PBF	28-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1571EGN-1#TRPBF	28-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1571EGN-2#PBF	28-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1571EGN-2#TRPBF	28-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1571EGN-5#PBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1571EGN-5#TRPBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Aug 10, 2022 - 22_0177 Laser Top Mark Conversion for QSOP20_24_28 Assembled in ADPG [PNG] and UTL
		PCN22_0177_Form Material_Report Delta Qualification Matrix
LT1571EGN-1#PBF	PRODUCTION
LT1571EGN-1#TRPBF	PRODUCTION
LT1571EGN-2#PBF	PRODUCTION
LT1571EGN-2#TRPBF	PRODUCTION
Oct 3, 2024 - 24_0235 (QSOP/SSOP PKG) Migrating Bottom Trace Code Marking to Top Side Laser Marking
		PCN24_0235_Form Material_Report Other Delta Qualification Matrix
LT1571EGN-5#PBF	PRODUCTION
LT1571EGN-5#TRPBF	PRODUCTION
Oct 11, 2022 - 22_0235 Epoxy Change from Henkel 8290 to 8290A for GN Package
		PCN22_0235_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LT1571EGN-5#PBF	PRODUCTION
LT1571EGN-5#TRPBF	PRODUCTION
Apr 6, 2022 - 22_0066 Laser Top Mark for 16QSOP Assembled in ADPG [PNG]
		PCN22_0066_Form Material_Report Delta Qualification Matrix
LT1571EGN-5#PBF	PRODUCTION
LT1571EGN-5#TRPBF	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

Can't find the software or driver you need?

Request a Driver/Software

Hardware Ecosystem

Parts	Product Life Cycle	Description
Battery Fuel Gauge and Coulomb Counter 1
LTC2942-1	Obsolete	1A Battery Gas Gauge with Internal Sense Resistor and Temperature/Voltage Measurement
Dual-Supply Monitors 1
LTC2960	RECOMMENDED FOR NEW DESIGNS	36V Nano-Current Two-Input Voltage Monitor
Single-Supply Monitors 1
LTC2953	RECOMMENDED FOR NEW DESIGNS	Push Button On/Off Controller with Voltage Monitoring
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LTC4365	RECOMMENDED FOR NEW DESIGNS	Overvoltage, Undervoltage and Reverse Supply Protection Controller