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Overview
| Topology | Flyback Converter |
| Input voltage | 90-264 V |
| IC revision | 1 |
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 voltage stress.This design also uses NCP4307 synchronous rectified controller which eliminated external Vcc circuit at low output, also placed on high side or low side.
Features
- Universal AC input range (90 – 264 Vac)
- Very low standby (5 V & 230 Vac) power consumption with no cable plug in
- Very low ripple and noise
- Inherent OVP,SCP and OCP protection
- High operation frequency up to 190 kHz at 230 V and fullload
- High power density (1.62 W/cm3)
- Quick switching off FET while unplugging cable and switching on FET at Vbus dropping to 5 V while plugging cable againQuasi−Resonant current mode control with Valley Switching
- Valley lockout avoids audible noise at valley jumping operation
- Support TYPE−C PD3.0 & PPS protocol
- Adaptive Output OVP and UVP
- Open loop protection
- PCBA size: 46 mm x 46 mm x 19 mm
Typical applications
- Power Banks
- Wall Chargers forMobile Phones and Tablets and Computing Devices, AC−DC USB PD Compliant Adapters, Cigarette Lighter Adapters
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Qmin. | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | Operating Temperature | Q(%) | L(µH) | IR(A) | ISAT,10%(A) | RDC max.(Ω) | fres(MHz) | Version | VRMS(V) | VDC(V) | VBR(V) | IPeak(A) | Wmax(J) | PDiss(W) | VDE Approval | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 22 pF, ±5% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance22 pF | Capacitance±5% | Rated Voltage50 V (DC) | Size0603 | – | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | Operating Temperature -55 °C up to +125 °C | Q-Factor840 % | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 68 pF, ±5% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance68 pF | Capacitance±5% | Rated Voltage50 V (DC) | Size0603 | – | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 100 pF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance100 pF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Q-Factor [1]600 | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WCAP-CSMH Mid and High Voltage, 470 pF, ±10% | Downloads8 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSMH Mid and High Voltage | Capacitance470 pF | Capacitance±10% | Rated Voltage1000 V (DC) | Size1206 | – | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length3.2 mm | Width1.6 mm | Height1.25 mm | Pad Dimension0.6 mm | Packaging7" Tape & Reel | Operating Temperature -55 °C up to +125 °C | Q-Factor600 % | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
| WCAP-CSGP MLCCs 100 V(DC), 1 nF, ±5% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 100 V(DC) | Capacitance1 nF | Capacitance±5% | Rated Voltage100 V (DC) | Size0603 | Q-Factor [1]1000 | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 100 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance100 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Q-Factor [1]600 | Dissipation Factor3 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WE-VD Disk Varistor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-VD Disk Varistor | – | – | – | Size7 mm | – | – | – | – | Length9 mm | Width4.1 mm | Height12.5 mm | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | VersionTHT | AC Operating Voltage300 V | DC Operating Voltage385 V | (Reverse) Breakdown Voltage470 V | (Reverse) Peak Pulse Current1200 A | Energy Absorption35 J | Power Dissipation0.25 W | VDE ApprovalYes | ||||
 | WE-TI Radial Leaded Wire Wound Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | – | – | – | Size8012 | – | – | – | – | Length9.5 mm | Width9.5 mm | Height13.5 mm | – | – | Operating Temperature -40 °C up to +125 °C | – | Inductance10 µH | Rated Current4.7 A | Saturation Current @ 10%5.4 A | DC Resistance0.02 Ω | Self Resonant Frequency20 MHz | VersionHeat Shrinking Tube | – | – | – | – | – | – | – |