NCP1568 USB-PD Evaluation Board User's Manual

PublishTime：2021-12-17

●This evaluation board manual describes a 60 W universal input 5 V,9 V, 12 V, 15 V and 20 V output evaluation board for laptop adapters. This featured power supply is an active−clamp flyback topology utilizing ON Semiconductor NCP1568 PWM controller, NCP51530HB Driver, NCP4305 SR Controller and FDMS86202 SR FET. This manual provides complete circuit schematic, PCB, BOM and transformer information of the evaluation board. It also provide efficiency, transient response, output ripple and thermal data of the evaluation board.
●This design utilized NCP1568 and NCP51530 for the active clamp flyback topology. Active clamp flyback topology effectively recycles the leakage energy. Another feature of this topology is the ZVS operation of the power MOSFETS. Because of no leakage losses and ZVS operation, this topology is suited for high frequency operation which results in size reduction of the transformer. Hence Active clamp flyback topology is well suited for high power density sub 100W power supplies. A ZVS fixed switching frequency power converter also simplifies EMI design and can be easily designed to avoid interference with other sensitive circuits in the system.
●Key Features:
■Universal AC Input Operation (90 – 265 Vac)
■High Full Load and Average Efficiency
■Low Standby Power
■Very Low Ripple and Noise
■High Frequency Operation up to 450 kHz
■Inherent SCP and OCP Protection
■Thermal and OVP Protection
■Adaptive Frequency Operation based on AC Input and Output Load Conditions
■Adaptive ZVS Operation
■Smaller EMI Components
■Multiple Probe Points for Evaluation
■Smooth Startup Operation

Brand of Product：	ON Semiconductor
Part#：	NCP1568 More Part#
Product Category：	USB-PD Evaluation Board 、 PWM controller More
Application：	[ USB PD Laptop Adapter ] More
Data Type：	Evaluation Board User's Manual More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	May, 2020
Version Number：	Rev. 0
Data Encoding：	EVBUM2734/D
Data Size：	2.6 MB

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