Universal AC input 5V1A Charger


Design files


This reference design demostrates a low cost single PCB solution for 5V1A cube charger. By using primary side regulation (PSR) mode chip UCC28700, < 30-mW No-Load power is achieved, which meets 5-star rating. The overall size is limited in 22mm(L)X21mm(W)x20mm(H).

Output voltage options PMP4335.1
Vin (Min) (V) 85
Vin (Max) (V) 265
Vout (Nom) (V) 5
Iout (Max) (A) 1
Output Power (W) 5
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.

SLUUA06.PDF (493 K)

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

SLUR939.PDF (44 K)

Detailed schematic diagram for design layout and components

SLUR940.PDF (200 K)

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


Includes TI products in the design and potential alternatives.

Flyback controllers

UCC28700Constant-voltage, constant-current PWM with PSR & Programmable cable compensation

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

Technical documentation

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View all 2
Type Title Date
Technical article Power Tips: AC/DC phone and tablet chargers Aug. 20, 2013
Test report PMP4335 Test Results Aug. 15, 2012

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