QC4/4+ 27W Class A Charger::零件採購::大聯大控股


QC4/4+ 27W Class A Charger




90Vac to 264Vac
5V/3A, 9V/3A, 12V/2.25A
PPS Mode 3V-11V, 20mV/step

QC4+ Offers QC3.0/QC2.0 Backward Compliance
Supports the USB PD3.0 Function and PPS (3V-11V@20mV)
Meet DOE6 and CoC Tier 2 Efficiency Requirements
<75mW No-Load Standby Power


smart phone charger


The 27W QC4/4+ Class A charger Evaluation Board EV1 is composed of three main parts, AP3302 offers the QR PWM switching control & working under the DCM mode with peak current controlling, APR345 is a Synchronous Rectification Controller, and the WT6615F is USB PD and Qualcomm Quick Charge 4/4+ Controller for implementing quick charger decoder functions. Based on monitoring D+ & D- and CC1 & CC2 signals, WT6615F will interprets desired voltage and current setting, and then feedback information to primary side AP3302 controller for providing well regulated voltage and current as well as related power protections