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Overview
| Topology | Flyback Converter |
| Input voltage | 90-264 V |
| Switching frequency | 25-420 kHz |
| Output 1 | 8 V / 3 A |
| Output 2 | 12 V / 2.67 A |
Description
This design note describes a 36 watt, Type C interface PD3.0/QC3.0, universal AC input, constant voltage power supply intended for smart phone, PAD and NB adaptor supporting PD3.0 and QC3.0 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 ON Semiconductor’s NCP1340 HF PWM controller, NCP43080 synchronous rectified controller and NCP4371 QC3.0 protocol controller combined Cypress’s CCG3 PD protocol controller. This Design Note provides the complete circuit schematic details and BOM for 36W Type C Interface PD3.0/QC3.0 adaptor solution which supports PD output (5V-9V/3A, 15V2.4A and 20V/1.8A), QC2.0 output (5V/3A, 9V/2.67A, 12V/2.67A) and QC3.0 output (4V-8V/3A, 8V-12V/2.67A). This design combined with NCP4371 and CCG3 to support QC3.0 and PD3.0, QC protocol is transferred by CCG3 and sent to NCP4371, PD protocol is transformed to QC3.0 protocol and sent to NCP4371 to change output voltage. NCP4371 provides QC protocol decode and CC/CV control. This design also proposed a dual auxiliary power supply solution that low voltage Vcc supplies to controller in low output and high voltage Vcc supplies to controller in high output also shut down the zener bias of high voltage regulator in order to increase the efficiency.
Features
- Universal AC input range (90 – 264 Vac)
- Very low standby (no load) power consumption
- Very low ripple and noise
- Inherent SCP and OCP protection
- High frequency operation
- High power density (1.2 W/cm3)
- Quasi-Resonant current mode control with Valley Switching
- Quasi-Resonant current mode control with Valley Switching
- Valley lockout avoids audible noise at valley jumping operation
- Support TYPE C interface PD3.0 and QC3.0 Class A&B specification
- Adaptive Output OVP and UVP
- Output CC @QC2.0 and QC3.0 mode
- Two PCB boards back-to-back assembled
- Board size: 51mmx28mmx21mm
Typical applications
- Smart phone, PAD and NB adapter supporting PD3.0 and QC3.0 protocol
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | C | VR (V (DC)) | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | L (mm) | W (mm) | H (mm) | Packaging | Tol. C | Size | Operating Temperature | Q | DF (%) | Ceramic Type | Fl (mm) | L (µH) | IR (mA) | ISAT (A) | fres (MHz) | Version | Interface Type | Gender | Pins | Mount | IR (mA) | Working Voltage (V (DC)) | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | VRMS (V) | VDC (V) | VBR (V) | IPeak (A) | Wmax (J) | PDiss (W) | Application | VDE Approval | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012006087 | SPEC | 5 files | WCAP-CSGP MLCCs 100 V(DC) | 1 pF | 100 | – | – | – | 10 GΩ | -55 °C up to +125 °C | – | 1.6 | 0.8 | 0.8 | 7" Tape & Reel | ±0.25pF | 0603 | -55 °C up to +125 °C | 420 | – | NP0 Class I | 0.4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 885012006055 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 47 pF | 50 | – | – | – | 10 GΩ | – | – | 1.6 | 0.8 | 0.8 | 7" Tape & Reel | ±5% | 0603 | -55 °C up to +125 °C | 1000 | – | NP0 Class I | 0.4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 885012006080 | SPEC | 6 files | WCAP-CSGP MLCCs 100 V(DC) | 150 pF | 100 | – | – | – | 10 GΩ | -55 °C up to +125 °C | – | 1.6 | 0.8 | 0.8 | 7" Tape & Reel | ±5% | 0603 | -55 °C up to +125 °C | 1000 | – | NP0 Class I | 0.4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 885012206080 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 330 pF | 50 | – | – | – | 10 GΩ | – | – | 1.6 | 0.8 | 0.8 | 7" Tape & Reel | ±10% | 0603 | -55 °C up to +125 °C | – | 2.5 | X7R Class II | 0.4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 885012206059 | SPEC | 8 files | WCAP-CSGP MLCCs 25 V(DC) | 1 nF | 25 | – | – | – | 10 GΩ | – | – | 1.6 | 0.8 | 0.8 | 7" Tape & Reel | ±10% | 0603 | -55 °C up to +125 °C | – | 3.5 | X7R Class II | 0.4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 885012206083 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 1 nF | 50 | – | – | – | 10 GΩ | – | – | 1.6 | 0.8 | 0.8 | 7" Tape & Reel | ±10% | 0603 | -55 °C up to +125 °C | – | 2.5 | X7R Class II | 0.4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 890334022017 | SPEC | 8 files | WCAP-FTXX Film Capacitors | 68 nF | 310 | X2 | 400 | 0.1 | 30 GΩ | -40 °C up to +105 °C | 7.5 | 10 | 6 | 12 | Bulk | ±10% | Pitch 7.5 mm | -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | Boxed THT | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Across the mains | – | ||
| 885012206071 | SPEC | 8 files | WCAP-CSGP MLCCs 25 V(DC) | 100 nF | 25 | – | – | – | 5 GΩ | -55 °C up to +125 °C | – | 1.6 | 0.8 | 0.8 | 7" Tape & Reel | ±10% | 0603 | -55 °C up to +125 °C | – | 3.5 | X7R Class II | 0.4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 742792040 | SPEC | 9 files | WE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | -55 °C up to +125 °C | – | 2 | 1.2 | 0.9 | – | – | 0805 | -55 °C up to +125 °C | – | – | – | 0.5 | – | 1500 | – | – | SMT | – | – | – | SMT | 2000 | – | 600 | 700 | 150 MHz | 2000 | 0.15 | High Current | – | – | – | – | – | – | – | – | ||
| 742792096 | SPEC | 8 files | WE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | -55 °C up to +125 °C | – | 2 | 1.2 | 0.9 | – | – | 0805 | -55 °C up to +125 °C | – | – | – | 0.5 | – | 800 | – | – | SMT | – | – | – | SMT | 1000 | – | 1000 | 1000 | 100 MHz | 1000 | 0.3 | High Current | – | – | – | – | – | – | – | – | ||
 | 820573011 | SPEC | 6 files | WE-VD Disk Varistor | – | – | – | – | – | – | -40 °C up to +85 °C | – | 9 | 4.1 | 12.5 | – | – | 7 mm | -40 °C up to +85 °C | – | – | – | – | – | – | – | – | THT | – | – | – | THT | – | – | – | – | – | – | – | – | 300 | 385 | 470 | 1200 | 35 | 0.25 | 230 VAC | Yes | ||
 | 7447462101 | SPEC | 8 files | WE-TI Radial Leaded Wire Wound Inductor | – | – | – | – | – | – | – | – | 6 | 6 | 8.5 | – | – | 5075 | -40 °C up to +125 °C | – | – | – | – | 100 | 800 | 0.8 | 7.1 | Heat Shrinking Tube | – | – | – | THT | – | – | – | – | – | – | 0.65 | – | – | – | – | – | – | – | – | – | ||
 | 632723300011 | SPEC | – | 6 files | WR-COM USB 3.1 Type C Receptacle Horizontal THR / SMT | – | – | – | – | – | 1000 MΩ | – | – | – | – | – | Tape and Reel | – | – | -40 °C up to +105 °C | – | – | – | – | – | 5000 | – | – | – | Type C | Receptacle | 24 | THR | – | 20 | – | – | – | – | – | Horizontal | – | – | – | – | – | – | USB 3.1 | – | |
 | 750343412 | SPEC | 5 files | Transformer | – | – | – | – | – | – | – | – | 21.59 | 21.59 | 17.27 | Tray | – | RM8 | -40 °C up to +125 °C | – | – | – | – | 460 | – | 1.5 | – | – | – | – | – | THT | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | C | VR (V (DC)) | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | L (mm) | W (mm) | H (mm) | Packaging | Tol. C | Size | Operating Temperature | Q | DF (%) | Ceramic Type | Fl (mm) | L (µH) | IR (mA) | ISAT (A) | fres (MHz) | Version | Interface Type | Gender | Pins | Mount | IR (mA) | Working Voltage (V (DC)) | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | VRMS (V) | VDC (V) | VBR (V) | IPeak (A) | Wmax (J) | PDiss (W) | Application | VDE Approval | Samples |
|---|