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reference designUCC28780 | Demoboard TIDA-01622

Texas Instruments UCC28780 | Demoboard TIDA-01622

30-W/in3, 94% Efficiency, 65-W USB Type-C PD AC/DC Adapter Reference Design

Overview

TopologyFlyback Converter
Input voltage85-265 V
Output 120 V / 3.25 A
IC revisionA

Description

This fully tested, USB power delivery reference design is a high efficiency, high power density, AC/DC adapter solution with a wide input voltage range (85 - 265VAC) for laptop adapters and smartphone charger applications. It adopts active-clamp-flyback topology controlled by TI’s newest ACF controller UCC28780 as the mainly power supply stage. This design uses TPS25740B, TI’s PD source controller, to achieve a full PD 2.0 function. The design achieves a peak efficiency of 92% at a very high switching frequency. The design’s power density is increased to 30 W/in³, which is much higher than traditional solutions.

Features

  • High efficiency (92% peak value)
  • High power density (30W/in³)
  • Low no load power consumption (60mW)
  • Low light load input power (0.5W), @20Vout/0.25W output
  • Fully compatible with USB PD 2.0 standard, with 5V/3A, 9V/3A, 15V/3A, 20V/3.25A output
  • Active-clamp flyback + SR topology
  • Small size (62mm26.8mm20mm)

Typical applications

  • Smart phone, Laptop
  • Industrial AC/DC

More information

Products

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Data­sheet
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Status
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ISAT,10%(A)
fres(MHz)
Version
Application
Interface Type
Type
Gender
Pins
PCB Thickness(mm)
Working Voltage(V (DC))
Packaging
IR(A)
L(µH)
RDC max.(Ω)
VR(V (AC))
VT(V (AC))
Material
L(mm)
W(mm)
H(mm)
Mount
SamplesAvailability & Sample
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7447462010
SPECWE-TI Radial Leaded Wire Wound Inductor, 8.5 A, 140 MHz
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
Saturation Current @ 10%8.5 A
Self Resonant Frequency140 MHz
VersionHeat Shrinking Tube 
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Rated Current8.5 A
Inductance1 µH
DC Resistance0.015 Ω
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Length6 mm
Width6 mm
Height8.5 mm
MountTHT 
–Check availability
744822120
SPECWE-CMB Common Mode Power Line Choke, –, –
Simu­lation
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Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-CMB Common Mode Power Line Choke
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VersionTHT 
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Pins4 
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Rated Current0.5 A
Inductance20000 µH
DC Resistance0.54 Ω
Rated Voltage250 V (AC)
Insulation Test Voltage1500 V (AC)
MaterialMnZn 
Length17.5 mm
Width13 mm
Height22 mm
MountTHT 
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632723300011
SPECWR-USB Type C Connectors, –, –

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

Simu­lation–
Availability
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Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-USB Type C Connectors
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ApplicationUSB 3.1 
Interface TypeType C 
TypeHorizontal 
GenderReceptacle 
Pins24 
PCB Thickness1.6 mm
Working Voltage48 V (DC)
PackagingTape and Reel 
Rated Current5 A
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MountTHR 
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750343803
SPECTransformer, –, –
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Downloads5 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product series Transformer
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PackagingTray 
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Inductance75 µH
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Insulation Test Voltage3750 V (AC)
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Length21.59 mm
Width21.59 mm
Height17.27 mm
MountTHT 
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