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Relec welcomes ‘new kid on the block’ – the USB-C PD from Edac

08 June 2020

USB-C Power Delivery (PD) is the emerging protocol for power, which is gaining popularity because it offers fast, flexible charging of USB-C-enabled devices.

Following USB-A, micro, mini and USB-B and Apple’s Lightning connector types, USB-C has been used in a variety of products, including Android devices as well as some of the latest MacBook models. The reversible USB-C connector is easy to use; because it is not polarised, it can connect whichever way up it is used. It is small enough for use with handheld devices while supporting high data transfer rates and sufficient power to run larger devices.

One of the key features of USB-C is that it supports the new power standard, Power Delivery or PD. PD is a universal standard whereby a conversation is established between two connected devices to establish the voltage and power requirements needed by the device from the power supply.   

PD power devices can typically deliver any one of four output voltages: 5, 9, 15 or 20V, depending on the requirements of the connected load. 

One of the principal ideas behind USB-C PD is to offer commonality of the power supply across different products. One size fits all if you like! Historically, the choice of power supply meant there were literally thousands of different options for different equipment. Some products ran from AC, whilst others from DC. You then had to select an operating voltage, which might be anywhere from 5V to 48V, and power rating. Then what connector to use, where you could stipulate, barrel size, length, locking mechanism and finally polarity. USB-C PD has been developed to bring all of that to an end. While Relec still offer a wide range of bespoke external power supplies in both plugtop and desktop configurations, USB-C PD power supplies are destined to make the life of consumers and manufactures a lot more straightforward. 

Edac’s EA1045 Series and the EA1062 Series both cover the 100-240Vac input range and provides USB-C PD compliant outputs of 5-20Vdc. The 30-45W EA1045 and 60W EA1062 Series models operate at ambient temperatures of 0 to +40°C. The EA1045 measures just 100mm x 45mm and dimensions for the EA1062 Series power supplies are 113mm x 47.4mm. Both are just 31mm high. All models are CE and FCC-certified and qualified to UL/cUL 62368-1 TUV EN62368-1 and CB IEC 62368-1.
Relec Electronics

Relec Electronics has been supplying plugtop and desktop power supplies for over 40 years. 

The range of USB-C PD power supplies are produced by Edac Power, a pioneer in the design and manufacture of AC-DC and DC-DC plugtop and desktop power supplies range from 30W to 200W. 

As a UK franchised distributor for Edac, Relec Electronics can guide customers and designers in the selection of an external power supply to ensure they end up with a reliable, cost effective and fit for purpose solution.

Relec Electronics is a specialist in power conversion and display products, representing leading brand names including Mornsun in power conversion alongside Bel Power, Chinfa, Cotek and Premium with key display partners, Digiwise and RockTouch. 

Relec’s team of specialist advisers can refine an initial specification for a given application to include bespoke features to meet the needs of a particular design or project.

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