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reference designUCC28780 | Demoboard TIDA-01622

Texas Instruments UCC28780 | Demoboard TIDA-01622

30-W/in3, 92% Efficiency, 65-W USB Type-C PD AC/DC Adapter Reference Design

Overview

TopologyFlyback Converter
Input voltage85-265 V
Switching frequency1000 kHz
Output 120 V / 3 A
IC revisionE1

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 (30 W/in³)
  • Low Power Consumption at No Load (60 mW)
  • Low Input Power at Light Load (0.5 W) at 20-VOUT,0.25-W Output
  • Fully Compatible With USB PD 2.0 Standard With 5-V/3-A, 9-V/3-A, 15-V/3-A, 20-V/3.25-A Output
  • Active-Clamp Flyback + SR Topology
  • Small Size (62 mm × 26.8 mm × 20 mm)

Typical applications

  • Consumer AC/DC / Industrial AC/DC

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Qty.
Application
Interface Type
Type
Gender
Pins
PCB Thickness(mm)
Working Voltage(V (DC))
Packaging
IR(A)
L(µH)
RDC max.(mΩ)
VR(V (AC))
VT(V (AC))
Material
L(mm)
W(mm)
H(mm)
Mount
SamplesAvailability & Sample
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744316022
SPECWE-HCI SMT Flat Wire High Current Inductor, 29.9 A, 14 A

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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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Performance Rated Current29.9 A
Saturation Current @ 10%14 A
Saturation Current @ 30%25 A
DC Resistance1.25 mΩ
Self Resonant Frequency507 MHz
Packaging Unit1500 
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Pins2 
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Inductance0.22 µH
DC Resistance1.375 mΩ
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MaterialSuperflux 
Length5.5 mm
Width5.3 mm
Height4 mm
MountSMT 
–Check availability
744821240
SPECWE-CMB Common Mode Power Line Choke, –, –
Simu­lation
Availability
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Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-CMB Common Mode Power Line Choke
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Packaging Unit300 
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Pins4 
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Rated Current1.5 A
Inductance4000 µH
DC Resistance140 mΩ
Rated Voltage250 V (AC)
Insulation Test Voltage1500 V (AC)
MaterialMnZn 
Length15.8 mm
Width7.8 mm
Height18 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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Packaging Unit700 
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 
–Check availability