Product Overview

The LT3650IMSE-8.4#PBF is a high-efficiency, 4.2V/cell lithium-ion/polymer battery charger that offers a compact and robust charging solution for portable electronics. Manufactured by Analog Devices Inc., this integrated circuit is designed to optimize charging cycles and extend the life of batteries in a variety of applications.

Key Features

• Input Voltage Range: The device operates over a wide input voltage range of 4.95V to 32V, making it versatile for different power environments.
• Programmable Charge Current: Users can set the charge current up to 2A with a single resistor, providing flexibility for various battery sizes and requirements.
• Precise Charge Voltage: The LT3650IMSE-8.4#PBF has a charge voltage accuracy of ±0.35% at 25°C, ensuring the battery is charged correctly to maintain its longevity.
• Automatic Charge Termination: The charger includes an automatic termination feature based on the C/10 principle, which stops the charging process when the current falls below a tenth of the programmed value.
• Thermal Regulation: To prevent overheating, the device adjusts charge current automatically based on the temperature, ensuring safe operation.
• No Top-off Charge Required: This charger eliminates the need for a top-off charge, simplifying the charging process and reducing charge time.

Applications

The LT3650IMSE-8.4#PBF is ideal for portable electronic devices that require efficient and reliable charging. This includes but is not limited to:

• Portable Medical Devices
• Handheld Instruments
• Battery-Powered Sensors
• Industrial Monitoring Equipment
• Unmanned Systems

Product Specifications

This product comes in a compact 12-lead MSOP package with an exposed pad for enhanced thermal performance. It features an 8.4V charge voltage optimized for 2-cell lithium-ion/polymer batteries. The charger also includes a charge status output that can drive an LED, providing visual feedback during the charging process.

Quality and Reliability

Analog Devices Inc. is known for its commitment to quality, and the LT3650IMSE-8.4#PBF is no exception. It is designed to meet rigorous industry standards, ensuring high reliability and performance for critical applications.