Microchip Technology, Inc. Battery Management MCP73833-GPI/UN

The 1254068-MCP73833-GPI/UN is a linear charge management controller designed for lithium-ion and lithium-polymer batteries. It features an integrated pass transistor, current sense, and reverse discharge protection, making it suitable for space-constrained and cost-sensitive applications. The device operates with a constant current/constant voltage charging algorithm and includes thermal regulation to optimize charge cycle time while ensuring reliability. The MCP73833 offers high accuracy preset voltage regulation options of 4.2V, 4.35V, 4.4V, or 4.5V, with a maximum programmable charge current of 1A. It supports preconditioning for deeply depleted cells and provides automatic end-of-charge control with selectable current thresholds and safety time periods. The device also includes features such as automatic recharge, charge status outputs, and a cell temperature monitor. Operating over a temperature range of -40¬8C to +85¬8C, the MCP73833 is available in compact DFN-10 and MSOP-10 packages, making it ideal for portable applications like personal data assistants, cellular phones, digital cameras, and USB chargers. The device adheres to USB power bus specifications, enhancing its versatility in various charging scenarios.