The LT3651EUHE-4.2#PBF is a highly efficient, single-cell 4.2V lithium-ion/polymer battery charger produced by Linear Technology. This advanced charging device is designed to cater to the needs of modern portable electronic devices that demand compact, reliable, and high-speed charging solutions.

Key Features

• Precision Charging: The LT3651EUHE-4.2#PBF offers precise charging capabilities with a final float voltage accuracy of ±0.35% at 25°C, ensuring the battery is charged to its optimal voltage.
• Adjustable Charge Current: Users can set the charge current from 1.5A up to 4A, making it versatile for various battery capacities and sizes.
• Wide Input Voltage Range: It operates across a wide input voltage range from 4.95V to 32V, which is suitable for applications in automotive and industrial environments.
• Integrated Safety Features: The charger includes safety features such as over-temperature protection, input supply overvoltage protection, battery overvoltage protection, and charge current monitoring for system reliability.
• Programmable Charge Termination: The device has programmable C/10 charge termination and an onboard timer for added safety and battery life preservation.
• Compact Design: The LT3651EUHE-4.2#PBF comes in a 5mm x 5mm QFN package, which is ideal for space-constrained applications.

Applications

This charger is perfect for a variety of applications, including portable medical devices, handheld instruments, and industrial monitoring equipment. Its robust design ensures that it can withstand the rigors of daily use in a wide range of operating environments.

Technical Specifications

The LT3651EUHE-4.2#PBF charger from Linear Technology is a comprehensive charging solution that offers both performance and reliability for single-cell lithium-ion/polymer battery applications.