Universal AC input 5V@1.2A cube charger with <10mW no-load power


Design files


This reference design demostrates a low cost single PCB solution for 5V1.2A cube charger. By using primary side regulation (PSR) mode chip UCC28710, < 10-mW No-Load power is achieved. The overall size is limited in 22mm(L)X21mm(W)x20mm(H).

Output voltage options PMP4344.1
Vin (Min) (V) 85
Vin (Max) (V) 265
Vout (Nom) (V) 5
Iout (Max) (A) 1.2
Output Power (W) 6
Isolated/Non-Isolated Isolated
Input Type AC
Topology Flyback- Quasi Resonant

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

SLUUA45.PDF (565 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

SLUR977.PDF (42 K)

Detailed schematic diagram for design layout and components

SLUR978.PDF (111 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

SLUC399.ZIP (19 K)

Design file that contains information on physical board layer of design PCB

SLUUA46.PDF (290 K)

PCB layer plot file used for generating PCB design layout


Includes TI products in the design and potential alternatives.

Flyback controllers

UCC28710Constant-voltage, constant-current PWM with PSR, valley switching & Programmable cable compensation

Data sheet document-pdfAcrobat PDF open-in-new HTML
USB power switches & charging port controllers

TPS2511USB dedicated charging port controller and 2.2A power switch

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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Type Title Date
Technical article Power Tips: AC/DC phone and tablet chargers Aug. 20, 2013
Test report PMP4344 Test Results Nov. 09, 2012

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