The reference design helps engineers construct USB Sort-C Energy Supply adapters with 45 W output, security options, higher effectivity, and a better improvement course of.
GaN (Gallium Nitride) primarily based adapters are revolutionizing the facility provide business on account of their superior effectivity, compact measurement, and skill to deal with increased energy ranges. In contrast to conventional silicon-based adapters, GaN adapters provide vital benefits, corresponding to improved power conversion, quicker charging speeds, and higher thermal administration, making them appropriate for contemporary digital units. The EVLVIPGAN50PD reference design from STMicroelectronics offers design engineers a robust device 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, making certain optimum energy conversion and dependable efficiency.
The reference design integrates the STUSB4761 controller for CC/CV regulation and USB Sort-C PD interface administration, enabling engineers to implement an entire hardware-based USB Energy Supply stack. This ensures sturdy, deterministic, and secure machine communication absolutely compliant with USB PD requirements. The design’s built-in safety options, together with safeguards towards overvoltage, undervoltage, overpower, and brief circuits, enable engineers to create dependable and sturdy options appropriate for varied moveable electronics.
By using this reference design, engineers can streamline their improvement course of and scale back the invoice of supplies, making it an economical answer for creating high-performance adapters. Its pre-designed structure simplifies prototyping, enabling engineers to rapidly 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 power requirements like CoC Tier 2 and DoE Degree 6.
This complete design helps USB Sort-C connectivity and Energy Supply, making certain compliance with trendy EMI noise laws (IEC55022 Class B) and making it a perfect selection for creating sensible AC-DC chargers for smartphones, tablets, laptops, and different handheld units. With its streamlined method and superior elements, such because the VIPERGAN50, STUSB4761, and SRK1001, the EVLVIPGAN50PD empowers engineers to ship environment friendly, dependable, and high-performing energy options tailor-made for right this moment’s moveable 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 extra information in regards to the reference design. To learn extra about this reference design, click on right here.
