Onsemi NCP1568 | Demoboard DN05125/D

Description

This design note describes a 90 W, Type C interface PD3.0, universal AC input, constant voltage power supply intended for smart phone,PAD and NB adaptor supporting PD3.0 or QC4.0,QC4.0+,PPS protocol, where isolation from the AC mains is required, and low cost,high efficiency, and low standby power are essential.The featured power supply has an optional boost follower PFC combining an Active Clamp Flyback topology utilizing ON Semiconductor’s NCP1622 CrM VSFF PFC controller, NCP1568 ACF controller, NCP51530 high speed highbridge driver, NCP4306D synchronous rectified controller, FCMT299N60 PFC Switching FET, FDMT800120DC synchronous MOSFET and NTMFS4C05 PD Switch MOSFET. This Design Note provides the complete circuit schematic details, PCB and BOM for 90 W Type C Interface PD3.0 Power adapter solution which supports PD output (5 V/ 3 A, 9 V / 3 A, 12 V / 3 A, 15 V / 3 A, 20 V / 4.5A).

Features

• Universal AC input range (90 – 264 Vac);<75mW standby (5V & 230 Vac) power consumption with no cable plug in;
• High efficiency at full load;Inherent SCP and OCP protection;
• High power density (1.27 W/cm3);
• Quick switching off FET while unplugging cable and switching on FET at Vbus dropping to 5 V while plugging cable again;
• Optional Boost follower PFC control;Active Clamp Flyback Topology with peak current mode control;
• High frequency operation;High power density (1.27 W/cm3);
• Support TYPE-C PD3.0 & QC4.0,QC4.0+,PPS protocol;
• Adaptive Output OVP and UVP;Two stage OCP for 15v and 20v output;Open loop protection;
• Compact profile with board size 63mmx63mmx21mm

Typical applications

• Notebook Adapters
• USB Power Delivery / High Density Chargers
• Industrial Power Supplies

More information

• Datasheet
• IC product information