Texas Instruments BQ24103A Standalone Synchronous Switch-mode Li-Ion Charger with 2A FET BQ24103ARHLTG4

The BQ24103A is a standalone synchronous switch-mode Li-Ion charger designed for efficient battery management in portable applications. It features integrated power FETs capable of delivering up to 2A charge current and operates with a fixed-frequency PWM controller at 1.1 MHz. The device supports single, two, or three-cell Li-Ion and Li-Polymer battery packs, making it versatile for various applications including handheld devices, industrial equipment, and portable media players. Key specifications include high-accuracy voltage and current regulation, a maximum input and output voltage rating of 20V, and built-in safety features such as thermal shutdown, battery temperature monitoring, and reverse leakage protection. The BQ24103A also includes status outputs for charge progress and fault indication, enhancing system integration. It is housed in a compact 20-pin VQFN package, suitable for space-constrained designs. This product is ideal for engineers seeking a reliable and efficient charging solution for their battery-powered projects.