Linear Technology's LT3650IMSE-8.4#TRPBF: A Robust Battery Charging Solution

The LT3650IMSE-8.4#TRPBF is a high-efficiency, single-cell lithium-ion battery charger integrated circuit designed by Linear Technology, a brand renowned for precision, reliability, and performance in power management solutions. This IC is tailored to simplify the design of compact and reliable battery charging circuits for a wide range of applications, including portable devices, industrial equipment, and energy storage systems.

Key Features

• Precise Charge Voltage: The LT3650IMSE-8.4#TRPBF features a 1% accurate float voltage of 8.4V, ensuring the battery is charged to its optimal voltage, which is critical for maximizing battery life and performance.
• Programmable Charge Rate: The charge current is programmable up to 2A, which allows designers to select the appropriate charge rate for their specific battery capacity and application requirements.
• Multi-Stage Charging: This IC implements a multi-stage charging algorithm with conditioning, constant-current, and constant-voltage phases, providing a safe and efficient charging process for lithium-ion batteries.
• Thermal Regulation: To protect against overheating, the LT3650IMSE-8.4#TRPBF includes thermal regulation that automatically reduces charge current under high temperature conditions.
• Charge Status Indicators: Built-in charge status outputs can be used to drive external LEDs or interface with a microcontroller, providing real-time feedback on the charging process.

Advanced Protection Features

• Reverse Battery Protection: The device prevents damage to the charger if the battery is accidentally connected in reverse.
• Overvoltage Protection: An integrated overvoltage protection circuit guards both the charger and battery against excessive input voltages.
• C/10 Charge Termination: The charger automatically terminates the charge cycle when the charge current falls below one-tenth of the programmed current, signaling a fully charged battery.

Compact and Durable Design

The LT3650IMSE-8.4#TRPBF comes in a compact 12-pin MSOP package with an exposed pad for enhanced thermal performance. It is designed to withstand rugged environments, with a wide operating temperature range and robust build quality that Linear Technology products are known for.

Whether you're designing consumer electronics, medical devices, or power backup systems, the LT3650IMSE-8.4#TRPBF offers a versatile and dependable charging solution that integrates seamlessly into your power management designs.