Texas Instruments High-Performance Analog PMIC - Battery Chargers BQ24742RHDT

The BQ24742RHDT is a high-efficiency, synchronous battery charger designed for Li-Ion and Li-Polymer applications. It supports charging for two to four cells with a charge current capability of up to 10 A. The device operates within an input voltage range of 9 V to 24 V and features programmable switching frequencies between 300 kHz and 800 kHz. Key specifications include a charge voltage accuracy of ±0.5%, charge current accuracy of ±3%, and input current sense amplifier accuracy of ±2%. The charger also incorporates safety features such as input overvoltage protection, battery overvoltage protection, and thermal shutdown protection. The BQ24742RHDT is packaged in a compact 28-pin, 5x5 mm QFN format, making it suitable for space-constrained applications like portable data capture terminals, medical diagnostics equipment, and battery backup systems. Its low quiescent current and dynamic power management capabilities enhance its efficiency in various applications.