BC3770 Overview
NXP Semiconductors Advance Information 2.0 A switch-mode charger with intelligent power-path for 1-cell li-ion battery Document Number: 1.0, 7/2016 BC3770 The BC3770 is a fully programmable switching charger with dual-path output for single-cell Li-Ion and Li-Polymer battery. This dual-path output allows mobile applications with fully discharged battery or dead battery to boot up the system.
BC3770 Key Features
- Dual-path output to power-up system in dead battery
- Single input for USB/TA
- High-efficiency synchronous switching regulator
- 20 V maximum withstanding input voltage
- Minimize the charging time with remote sense
- Up to 2.0 A load current for system or battery
- Programmable charge parameters via I2C patible interface
- 400 kHz full-speed I2C interface
- 1.5 MHz switching frequency
- Charge reduction mode for maximizing charging efficiency
BC3770 Applications
- Dual-path output to power-up system in dead battery
- Single input for USB/TA