This reference design is a 65W, low-profile AC/DC USB Power Delivery (PD) charger reference design with integrated flyback controller and gallium nitride (GaN) power switch. This design can achieve less than 10mm height by using a low-profile planar printed circuit board (PCB) transformer. The flyback converter UCG28826 features VCC self-bias and simplifies the planar transformer PCB winding by eliminating auxiliary windings as well as associated VCC rectifier circuity. The design can meet efficiency standards and regulations such as Department of Energy (DoE) Level VI and European Union Code of Conduct (CoC) V5 Tier 2 standards. The design achieves less than 75mW standby power consumption at 230VAC.
| Output voltage options | PMP41163.1 | PMP41163.2 | PMP41163.3 | PMP41163.4 |
|---|---|---|---|---|
| Vin (Min) (V) | 90 | 90 | 90 | 90 |
| Vin (Max) (V) | 264 | 264 | 264 | 264 |
| Vout (Nom) (V) | 20 | 15 | 9 | 5 |
| Iout (Max) (A) | 3.25 | 3 | 3 | 3 |
| Output Power (W) | 65 | 45 | 27 | 15 |
| Isolated/Non-Isolated | Isolated | Isolated | Isolated | Isolated |
| Input Type | AC | AC | AC | AC |
| Topology | Flyback- Integrated Switch | Flyback- Integrated Switch | Flyback- Integrated Switch | Flyback- Integrated Switch |
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
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Test results for the reference design, including efficiency graphs, test prerequisites and more
Detailed overview of design layout for component placement
Complete listing of design components, reference designators, and manufacturers/part numbers
Files used for 3D models or 2D drawings of IC components
Design file that contains information on physical board layer of design PCB
PCB layer plot file used for generating PCB design layout
Detailed schematic diagram for design layout and components
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Test report | Universal AC Input 65W Low-Profile AC/DC USB PD Charger Reference Design With Integrated GAN (Rev. A) | PDF | HTML | Jul 9, 2025 |
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