BQ2057WSN Linear 2-Cell Li-Ion Charge Controller – Featuring AutoComp™ Technology

Description

The BQ2057WSN is a sophisticated, linear charge management IC specifically designed for 2-cell (8.4V) Lithium-Ion and Lithium-Polymer battery packs. It provides an efficient, cost-effective solution for charging applications that require high precision and safety. The integrated AutoComp™ technology automatically adjusts the charging process to account for voltage drops across the external components, ensuring the battery reaches a full and accurate charge.

This IC is an excellent choice for portable applications, as it provides a complete charge cycle management, including pre-conditioning, constant-current, and constant-voltage modes. Its integrated design simplifies your charging circuitry, allowing for a compact and reliable power management system in your device.

Key Features

• 2-Cell Support: Specifically tuned for 8.4V battery pack configurations.
• AutoComp™ Technology: Intelligently compensates for voltage drops, ensuring faster and more accurate charging cycles.
• Complete Charge Cycle: Automatically manages the entire battery charging process (pre-charge, constant current, and constant voltage).
• Safety & Reliability: Includes essential features to protect the battery and ensure a safe, long-lasting charge.
• Compact SMD-8 Package: A space-efficient design that makes it easy to integrate into your PCB layout.

Application

• Portable Medical Equipment: Provides reliable and safe charging for 2-cell battery-powered medical tools.
• Consumer Electronics: Ideal for tablets, high-end handhelds, and other gadgets utilizing 2-cell battery packs.
• Industrial Handheld Devices: A robust choice for field-equipment that requires consistent and professional charging performance.
• Battery-Powered Robotics: Perfect for managing 2-cell battery systems in custom robotics and automation projects.
• DIY Professional Projects: A great component for engineers and hobbyists building advanced battery charging systems from scratch.

Package Includes

• 1 x BQ2057WSN 2-Cell Li-Ion Charge Controller with AutoComp™ (SMD-8)

Technical Specifications

Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete technical parameters, please refer to the official device datasheet.