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CUI is a technology company dedicated to the development, commercialization, and distribution of new, innovative electro-mechanical products.
As a leader in the power supply industry CUI offers a diverse range of leading solutions to meet your needs. Browse CUI’s main product offerings. Learn More
The Power Product Selector allows you to browse CUI’s wide range of ac-dc power supplies and dc-dc converters from front-end power to digital point-of-load. Learn More
Check out CUI’s comprehensive line of Level VI compliant external ac-dc adapters to keep you one step ahead of the latest regulations. Learn More
Low Power DC-DC
CUI presents a comprehensive line of 1~3 W DC-DC converters that are available with a range of package, input, output, and isolation voltage options. Learn More
Open Frame AC-DC
CUI's next-generation VOF open frame AC-DC power supplies are designed to meet the growing need for "green" embedded power solutions, delivering higher efficiency and improved no-load performance. Learn More
15 W and 25 W Isolated DC-DC Converters
CUI’s PRD15 and PRD25 series are compact low-profile modules that output 15 W and 25 W of power respectively in a single square inch of board space.
PES1-M Series High Isolation Surface-Mount DC-DC Converters
CUI's PES1-M series features a compact SMT package, providing a 3000 VDC isolation and an ultra-wide operating temperature range of -40 to 105°C.
Slim-Line Chassis-Mount DC-DC Converters
CUI’s line of 2:1 and 4:1 input dc-dc converters ranging from 10 to 50 W are housed in a slim, compact chassis mount package.
90 A, Digital POL DC/DC Converter Module
CUI's highest current digital POL family, is designed specifically to address the rapidly-rising power requirements of today’s most advanced ICs.
Level VI Multi-Blade AC-DC Power Adapters
CUI Inc has introduced a family of Level VI compliant external AC-DC power supplies ranging from 5 W to 36 W that feature interchangeable ac input blades.
25 A and 50 A Digital Point-of-Load (POL) Modules
CUI Inc. has introduced a new family of 25A and 50A digital Point-of-Load DC/DC modules that deliver over 95% peak efficiency in applications employing a distributed power architecture.
Efficiency Standards for External Power Supplies
This paper examines the evolution of efficiency standards and provides a summary of the current global legislation impacting external ac-dc power supplies. Learn More
Designing Intelligence into Commutation Encoders
The benefits of encoders based on capacitive technology offer much more than just improved performance and reliability. Learn how this alternate approach to motion sensing delivers a new level of intelligence for designers utilizing rotary commutation encoders. Learn More
Reliability Considerations for Power Supplies
Power supplies may not have the glamour, nor get the attention that processors and displays receive, but they are just as vital to system operation. In this application note we look at reliability in power supplies, how it’s measured and how it can be improved. Learn More
EMI Considerations for Switching Power Supplies
This application note examines the rules and regulations governing control of EMI, discusses types of noise generated by switching power supplies, and provides basic EMI mitigation guidance when designing a power system. Learn More
Power Quick Guide
This guide provides a quick and easy way to compare our ac-dc power supplies and dc-dc converters based on key specifications and features. Learn More
Components Quick Guide
This guide allows users to compare a range of electrical and mechanical specifications among our diverse range of connectors, buzzers, speakers and encoders. Learn More
Energy Efficiency Standards for External Power Supplies
Duration: 10 minutes
To explain the current and future regulatory environment for external ac-dc power adapters.
Thermal Management of Power Supplies
Duration: 20 minutes
Considerations for thermal management in design and application.
AMT31 Series Commutation Encoder
Describing the functional theory of commutation encoders. Along with understanding what makes AMT31 Series revolutionary.
Power Supply Safety Standards
Reviewing the power supply international safety standards, the major agencies, and regional safety marks.
CUI in the Lab – Capacitive vs Optical Encoder Oil Test
CUI in the Lab series takes viewers inside the engineering lab for technical and application-based demonstrations on the latest technologies from CUI.
CUI in the Lab - AMT Zeroing & One Touch
CUI's NDM3Z Series DC-DC Converters | Digi-Key Daily
Digi-Key Daily previews CUI's NDM3Z-90 series of DC-DC converters. These DC-DC converters have a programmable output range, benchmark power levels, and real time stability modifications.
CUI 5 W Power Adapter Product Overview | Digi-Key Daily
CUI's high efficiency 5 W usb wall plug power adapters have a constant 5 volt DC output, a widely ranging 90 to 264 volt AC input, and meet level 6 efficiency standards.
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