BQ25790

Product Folder Order Now Technical Documents Tools & Software Support & Community BQ25790 SLUSDF9 – JUNE 2020 BQ25790 I2C Controlled, 1-4 Cell, 5-A Buck-Boost Battery Charger with Dual-Input Selector and USB PD 3.0 OTG Output 1 Features 1 High efficient synchronous Switch Mode buckboost charger for 1-4 cell battery – 750-kHz and 1.5-MHz Programmable switching frequencies – Efficiency optimized for charging 2s battery, 96.5% efficiency with 9-V input and 94.5% efficiency with 15-V input at 3-A ICHG – Charging current up to 5 A with 10-mA resolution Support wide range of input sources – 3.6-V to 24-V Wide input operating voltage range with 30-V absolute maximum rating – Maximum power tracking with VINDPM up to 22 V and IINDPM up to 3.3 A – Detect USB BC1.2, SDP, CDP, DCP, HVDCP and non-standard adapters Dual-input power mux controller for source selection High level integration – Four switching MOSFETs and BATFET – Input current and charging current sensing Narrow-VDC (NVDC) Power Path management Power USB port from battery (USB OTG) – 2.8-V to 22-V OTG output voltage with 10-mV resolution to support USB-PD PPS – OTG Output current regulation up to 3.32 A with 40-mA resolution Flexible autonomous and I2C mode for optimal system performance Integrated 16-bit ADC for voltage, current and temperature monitor Low battery quiescent current – Typical 21-µA at battery only operation – Typical 600 nA in Charger Shutdown Mode High accuracy – ±0.5% Charge voltage...