The LTC4085EDE-1#PBF from Linear Technology is a high-efficiency power management integrated circuit designed for single-cell lithium-ion/polymer battery-powered applications. This versatile component integrates a full-featured battery charger with a 1A synchronous buck-boost DC/DC converter, making it an ideal solution for portable devices that require efficient power management and extended battery life.

Key Features

• Efficient PowerPath™ Management: The LTC4085EDE-1#PBF allows for seamless transition between input power sources and battery, ensuring uninterrupted operation of the device it powers.
• Advanced Battery Charging: Features a programmable battery float voltage and charge current with ±0.8% charge voltage accuracy, providing safe and precise charging for lithium-ion/polymer batteries.
• Buck-Boost DC/DC Converter: The integrated 1A synchronous buck-boost DC/DC converter operates with a wide input voltage range, maintaining a regulated output even when the battery voltage drops below the output voltage.
• Thermal Regulation: To protect the battery and circuitry, the LTC4085EDE-1#PBF includes thermal regulation that reduces charge current if the internal temperature rises to a preset threshold.
• Compact Design: Housed in a low-profile (0.75mm) 3mm x 3mm DFN package, this product is designed to fit into space-constrained applications.

Applications

The LTC4085EDE-1#PBF is suited for a variety of portable electronic devices, including:

• Handheld instruments
• Medical devices
• USB-powered gadgets
• Wireless headsets and accessories
• Portable media players

Technical Specifications

With a wide input voltage range and support for multiple battery chemistries, the LTC4085EDE-1#PBF is a versatile power management solution that can adapt to various power requirements and conditions.

Ordering Information

The product is available with the part number LTC4085EDE-1#PBF, ensuring you receive the genuine component with Linear Technology's quality and performance standards.