Adaptor Reference Design Primarily based On GaN

The reference design helps engineers construct USB Sort-C Energy Supply adapters with 45 W output, security options, higher effectivity, and a better growth course of.

GaN (Gallium Nitride) based mostly adapters are revolutionizing the facility provide business because of their superior effectivity, compact dimension, and skill to deal with increased energy ranges. In contrast to conventional silicon-based adapters, GaN adapters provide important benefits, similar to improved vitality conversion, quicker charging speeds, and higher thermal administration, making them appropriate for contemporary digital gadgets. The EVLVIPGAN50PD reference design from STMicroelectronics provides design engineers a strong instrument to create superior USB Sort-C Energy Supply 3.0 adapters for varied functions. 

Leveraging the VIPERGAN50 high-voltage converter with its built-in 650 V HEMT Energy GaN transistor, engineers can design remoted energy provides optimized for quasi-resonant flyback converters, able to delivering as much as 50 W of output energy throughout a large enter vary. Together with the SRK1001 adaptive synchronous rectification controller enhances secondary-side effectivity, guaranteeing optimum energy conversion and dependable efficiency.

– Commercial –

The reference design integrates the STUSB4761 controller for CC/CV regulation and USB Sort-C PD interface administration, enabling engineers to implement a whole hardware-based USB Energy Supply stack. This ensures strong, deterministic, and secure system communication totally compliant with USB PD requirements. The design’s built-in safety options, together with safeguards towards overvoltage, undervoltage, overpower, and quick circuits, permit engineers to create dependable and sturdy options appropriate for varied transportable electronics.

By using this reference design, engineers can streamline their growth course of and cut back the invoice of supplies, making it an economical answer for creating high-performance adapters. Its pre-designed structure simplifies prototyping, enabling engineers to shortly develop chargers that help a number of output voltages—5 V, 9 V, 12 V, 15 V, and 20 V—and versatile output currents of as much as 3 A for decrease voltages and a couple of.25 A for 20 V. The design is appropriate to be used with a common AC enter vary of 90 to 264 VAC, working at 47 Hz to 63 Hz frequencies. It achieves peak effectivity above 92%, assembly stringent vitality requirements like CoC Tier 2 and DoE Stage 6.

– Commercial –

This complete design helps USB Sort-C connectivity and Energy Supply, guaranteeing compliance with fashionable EMI noise laws (IEC55022 Class B) and making it a great selection for growing sensible AC-DC chargers for smartphones, tablets, laptops, and different handheld gadgets. With its streamlined method and superior parts, such because the VIPERGAN50, STUSB4761, and SRK1001, the EVLVIPGAN50PD empowers engineers to ship environment friendly, dependable, and high-performing energy options tailor-made for as we speak’s transportable electronics.

STMicroelectronics has examined this reference design. It comes with a invoice of supplies (BOM), schematics, meeting drawing, printed circuit board (PCB) structure, and extra. The corporate’s web site has further knowledge in regards to the reference design. To learn extra about this reference design, click on right here.