The LTC4008EGN#TRPBF is a versatile and efficient multi-chemistry battery charger IC designed and manufactured by Linear Technology. It is an advanced solution for portable electronic devices that require a reliable and fast charging process for their lithium-ion (Li-Ion), lithium-polymer (Li-Po), or nickel-based batteries.

Key Features

• Wide Input Voltage Range: The device supports an input voltage range from 9V to 36V, making it suitable for a variety of power sources.
• Adjustable Charge Current: Users can set the charge current up to 4A through an external resistor, allowing for flexibility in charging different battery sizes.
• High Efficiency: The LTC4008EGN#TRPBF employs a synchronous buck regulator topology, achieving up to 95% charging efficiency, which reduces heat and improves charging times.
• Multiple Battery Chemistry Support: This charger IC can be used with various battery chemistries, including Li-Ion, Li-Po, and nickel-based batteries, accommodating a wide range of portable devices.
• Precision Charge Voltage: The charging voltage is accurate to ±1%, ensuring the battery is charged correctly and safely to maximize its lifespan.
• Charge Termination: The device includes programmable charge termination by C/10 or an onboard timer, providing flexibility and protection to the charging cycle.
• Automatic Recharge: Once charging is complete, the LTC4008EGN#TRPBF will initiate a new charge cycle if the battery voltage falls below a preset level.
• Thermal Regulation: To protect against overheating, the IC includes thermal regulation, which reduces charge current in high temperature conditions.

Applications

The LTC4008EGN#TRPBF is ideal for portable electronics such as laptops, power tools, medical devices, and any other application that requires a dependable and efficient charging solution. Its robust design and comprehensive feature set ensure a safe and rapid charge for your device's battery, extending its usability and lifetime.

Package and Availability

This IC comes in a 24-pin SSOP package and is available in tape and reel form under the part number LTC4008EGN#TRPBF, making it suitable for automated assembly processes. Its compact design allows for integration into space-constrained applications while maintaining high performance in battery management.