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reference designNCP4371AAC | Demoboard DN05082/D

Onsemi NCP4371AAC | Demoboard DN05082/D

NCP4371: 15 W HVDCP Quick Charge(TM) 3.0 Compatible CV/CC Charger

Overview

TopologyFlyback Converter
Input voltage90-265 V
Output 112 V / 2 A
IC revision1

Description

15 W HVDCPQuick Charge 3.0Compatible CV/CC ChargerThis design note describes a 15 W, universal AC mains,isolated Quasi-Resonant flyback converter compatible withQualcomm’s High Voltage Dedicated Charging Port QuickCharge 3.0 Class A specification. The converter providesadjustable output voltage in a range from 3.6 Vdc to 12 Vdc.It maintains maximum output power 15 W at full range ofthe voltage output and at same time it limits the maximumoutput current to 2.0 A. The design is targeted for smartphone and tablet charger applications.The charger design utilizes ON Semiconductor’s newNCP4371 Qualcomm Quick Charge 3.0 Controller,NCP1361E Quasi-Resonant Controller and NCP4305Synchronous Rectification controller.

Features

  • Universal AC Input Range (90–265 Vac).
  • Input Filter for Conducted EMI Attenuation
  • Very Low Standby and No-load Power Consumption
  • Quasi-Resonant Current Mode Control with ValleySwitching
  • Valley Lockout Avoids Audible Noise at ValleyJumping Operation
  • Secondary Synchronous Rectification Control for HighEfficiency
  • Qualcomm Protocol Controller Supports QC2.0 andQC3.0
  • Output 5 V/2.00 A, 9 V/1.67 A and 12 V/1.25 A
  • Highly Configurable Power and Current Limit Profiles
  • Standby Power < 75 mW @ 5 V Output
  • Support Output Capacitor Discharge Function whilePortable Device is Unplugged or during Transitionfrom Higher to Lower Output Voltage
  • Smooth Output Voltage Transition

Typical applications

  • Quick Charge 3.0, Cell Phone, Laptop Charger

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IR(A)
ISAT,10%(A)
RDC max.(Ω)
fres(MHz)
Version
C
VR(V (DC))
Endurance(h)
IRIPPLE(mA)
ILeak(µA)
DF(%)
Pitch(mm)
Ø D(mm)
L(mm)
Packaging
Application
Interface Type
Type
Variant
Gender
Pins
Mount
Working Voltage(V (AC))
SamplesAvailability & Sample
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7447462010
SPECWE-TI Radial Leaded Wire Wound Inductor, 1 µH, 8.5 A
Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TI Radial Leaded Wire Wound Inductor
Inductance1 µH
Rated Current8.5 A
Saturation Current @ 10%8.5 A
DC Resistance0.015 Ω
Self Resonant Frequency140 MHz
VersionHeat Shrinking Tube 
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Length6 mm
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MountTHT 
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7447462221
SPECWE-TI Radial Leaded Wire Wound Inductor, 220 µH, 0.5 A
Simu­lation
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TI Radial Leaded Wire Wound Inductor
Inductance220 µH
Rated Current0.5 A
Saturation Current @ 10%0.57 A
DC Resistance1.2 Ω
Self Resonant Frequency4.8 MHz
VersionHeat Shrinking Tube 
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Length6 mm
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MountTHT 
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870025374005
SPECWCAP-PTG5 Aluminum Polymer Capacitors, –, –
Simu­lation
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Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-PTG5 Aluminum Polymer Capacitors
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Capacitance330 µF
Rated Voltage16 V (DC)
Endurance 2000
Ripple Current4500 mA
Leakage Current528 µA
Dissipation Factor8 %
Pitch3.5 mm
Diameter8 mm
Length8 mm
PackagingAmmopack 
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MountRadial THT 
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614104150121
SPECWR-USB Standard Connectors, –, 1.5 A
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Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-USB Standard Connectors
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Rated Current1.5 A
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PackagingTape and Reel & Mylar 
ApplicationUSB 2.0 
Interface TypeType A 
TypeHorizontal - Short Type 
Variantwith Clips 
GenderReceptacle 
Pins4 
MountTHT 
Working Voltage30 V (AC)
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750315544
SPECOffline Transformer, –, –
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Status Activei| Production is active. Expected lifetime: >10 years.
Product series Offline Transformer
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