BQ25622 Datasheet | Texas Instruments

Features - High-efficiency, 1.5MHz, synchronous switching mode buck charger for single cell battery - >90% efficiency down to 25m A output current from 5V input - Charge termination from 10m A to 620m A, 10m A steps - Flexible JEITA profile for safe charging over temperature - BATFET control to support shutdown, ship mode and full system reset - 1.5μA quiescent current in battery only mode - 0.15μA battery leakage current in ship mode - 0.1μA battery leakage current in shutdown - Supports USB On-The-Go (OTG) - Boost mode supporting 3.84V to 9.6V output - >90% boost efficiency down to 100m A OTG current for 5V VBUS - Supports a wide range of input sources - 3.9V to 18V wide input operating voltage range with 26V absolute maximum input voltage - Maximizes source power with input voltage regulation (VINDPM) and input current regulation (IINDPM) - VINDPM threshold automatically tracks battery voltage - Efficient battery operation with 15mΩ BATFET - Narrow VDC (NVDC) power path management - System instant-on with depleted or no battery - Battery supplement when adapter is fully loaded - Flexible autonomous or I2C-controlled modes - Integrated 12-bit ADC for voltage, current, temperature monitoring - High accuracy - ±0.5% charge voltage regulation - ±5% charge current regulation - ±5% input current regulation - Safety - Thermal regulation and thermal shutdown - Input, system, battery overvoltage protection - Battery, converter overcurrent protection - Charging safety timer - Safety-Related Certifications: - IEC 62368-1 CB Certification 2 Applications - Tablet - Gaming and puter Accessories - IP Camera, EPOS - Portable Medical Equipment 3 Description The BQ25620 and BQ25622 are highly-integrated 3.5A switch-mode battery charge management and system power path management devices for single cell Li-Ion and Li-polymer batteries. The solution is highly integrated with built-in current sensing, loop pensation, input reverse-blocking FET (RBFET, Q1), high-side switching FET...