描述 Description

Qorvo's ACT2861 is a buck-boost charger with 4 integrated MOSFETs. It offers a high efficiency, low component count, compact solution for 2 to 5 cell battery charging applications. It operates from an input voltage range of 4 to 29 V.
An advanced switch control algorithm allows the buck-boost converter to maintain output voltage regulation with input voltages that are above, below or equal to the output voltage.
The product is optimized to reduce input current in shipping, shutdown, and standby for applications which are sensitive to quiescent current draw, such as battery-powered devices.
The system can be monitored and configured by I2C. The built-in ADC can be read for information on input/output voltages and currents and the die temperature. With an MCU, it can easily be configured to charge a multi-cell battery pack from a variety of input power sources.

特性 Features

? Buck-boost charger with integrated FETs
? Input voltage range: 4 to 2 9V (no dead zone)
? Supports 2 to 5 series cell battery packs
? JEITA compliant
? Seamless transition between buck and boost mode
? OTG output supports QC2.0/3.0/4.0, USB PD with PPS, AFC
? 2 V ~ 5 V / 100 mA programmable output LDO
? < 1 μA battery leakage current in ship mode
? Voltage and current monitoring
? Thermal regulation and protection
? Programmable via I2C or standalone option
? Thermally enhanced 32-pin 4x4 mm QFN package

應(yīng)用 Application

? Multi-Cell Battery Chargers
? Portable Battery Powered Devices
? Car Chargers
? Power Banks
? 24 V Industrial Applications
? Automotive Power Systems
? Multiple Power Source Supplies
? DC UPS Units
? Solar Powered Devices
? Solid-State Lighting