Onsemi FUSB15101 | Demoboard EVBUM2819/D

Description

This evaluation board user’s manual describes a 65 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 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 is a simple QR flyback topology utilizing onsemi’s NCP1345 HF PWM controller,NCP4307 synchronous rectified controller, FDMS86180 synchronous MOSFET and NTTFS4C02 Switch MOSFET. This Design Note provides the complete circuit schematic details, PCB and BOM for 65 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 / 3.25 A).This design combined with onsemi’s FUSB15101 PD3.0 protocol controller to provide PD3.0 and PPS functions.This design also proposes a dual auxiliary power supply to supply PWM controller, the PWM controller is supplied by high voltage auxiliary voltage at low output voltage and supplied by low voltage auxiliary voltage at high output voltage.NCP1345 is next generation of NCP1342 HF QR controller, it provides precise primary CC also precise primary OVP protection, built in external dual Vcc circuit,improved jittering function which eliminated large output ripple also adaptive gate drive to reduce secondary voltagestress.This design also uses NCP4307 synchronous rectified controller which eliminated external Vcc circuit at lowoutput, also placed on high side or low side.

Features

• 32−bit Arm Cortex−M0+ Processor
• 32 KB OTP (One Time Programmable) Program Memory
• USB PD 3.1 with PPS Support
• Power Management Unit with VIN Support from 3.3 V to 24 V
• Integrated VCONN Supply for Interrogating E−Marked Cables
• Idle and Sleep Modes to Meet CoC and DoE Requirements
• Peripherals
• USB Type−C / PD Detection and Communication Layer
• VBUS NMOS Gate Driver for Load Switch Control
• VBUS Discharge Functionality
• Programmable Constant Voltage & Constant Current Control
• Two 10−bit DAC’s for Precise Voltage and Current Control
• Two NTC Temperature Measurements
• 10−bit ADC for Voltage, Current and Temperature Reporting
• Two General Purpose 32−bit Timers
• Watchdog Timer (WDT)
• I2C Master/Slave Peripheral -UART on D+/− Pins
• Output Fault Protection
• Over−Voltage
• Under−Voltage -Over−Current
• Over−Temperature
• 20−pin QFN Package (4 mm x 4 mm, 0.5 P)

Typical applications

• Wall Chargers for Mobile Phones and Tablets and Computing Devices, AC−DC USB PD Compliant Adapters, Cigarette Lighter Adapters
• Power Banks

More information

• Datasheet
• IC product information