BQ25910 Datasheet | Texas Instruments

Features - 1 Parallel charger operation provides fast charging in dual charger configuration - High efficiency 750-k Hz 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 pared to traditional buck converter in pact 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 m A to 3.6 A with 100m A 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 pensation - 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 protection - Battery OVP - Input dynamic power management (DPM) - Charging safety timer - Flying capacitor short circuit protection - Output voltage short circuit protection - Available in 36-ball WCSP package 2 Applications - Smart phone - Tablet - Wireless charging - Portable electronics - Electronic point of sales (e POS) 3 Description The BQ25910 is an integrated three-level switchmode parallel battery charge management device for single cell Li-ion and Li-polymer batteries. Utilization of the three-level converter maintains highest switchmode operation efficiency while reducing solution footprint and increasing power density. The device supports fast charging with high input voltage for a wide range of portable devices. The solution integrates...