BQ25910

Product Folder Order Now Technical Documents Tools & Software Support & Community BQ25910 SLVSDU0B – SEPTEMBER 2017 – REVISED SEPTEMBER 2019 BQ25910 I2C Controlled 6-A Three-Level Switch Mode, Single-Cell Parallel Battery Charger for Fast Charging 1 Features 1 Parallel charger operation provides fast charging in dual charger configuration High efficiency 750-kHz switch mode three-level buck parallel charger – Reduced ripple to support low profile inductor – 95.4% Charge efficiency at 1.5 A from 5-V input – 93.3% Charge efficiency at 3 A from 9-V input – Superior efficiency compared to traditional buck converter in compact form factor Single Input to support USB input and adjustable high voltage adapters – Support 3.9-V to 14-V input voltage range with 20-V absolute maximum input voltage rating – Input current limit (500 mA to 3.6 A with 100mA resolution) to support USB2.0 and USB 3.0 standard and high voltage adaptors – Maximum power tracking by input voltage limit (VINDPM) up to 14 V Flexible I2C mode for optimal system performance High integration includes all MOSFETs, current sensing and loop compensation – Lossless charge current sensing without sense resistor < 10-µA Low battery leakage current during stand- by mode High accuracy – ±0.4% Charge voltage regulation – ±10% Charge current regulation – ±7.5% Input current regulation – Remote differential battery sensing Safety – Thermal regulation and thermal shutdown – Input UVLO and overvoltage protecti...