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SY6119 Sample Application
General Description

SY6119 is a single-channel USB charging protocol port controller IC which supports automatic identification of chargers (including iPhone, Samsung and other mobile phones) and handshaking with devices through the corresponding USB charging protocol, for achieving maximum charging current and saving charging time on the premise of protecting chargers.

Features

Wide input range of 3V-5.5 V for direct use in lithium battery system

Automatic switching between multiple USB charging protocols: Divider3 charging protocol for Apple devices; Applications of Samsung devices; BC1.2 DCP and YD/T 1591-2009

Super protection capability of DP/DM 8kV ESD (HBM)

Ultra-low standby current: 15uA/VIN=2.8V; 80uA/VIN=5.5V

Small-size SOT23-6 package

Typical Application Circuit Diagram
Applications

Power bank, portable chargers, wall chargers, car chargers, etc.