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Renesas Electronics Develops USB PD and USB-C Battery Charging Applications

By Chrissie Cluney May 22, 2019

Renesas Electronics Corporation, a premier supplier of advanced semiconductor solutions, introduced two new reference designs that simplify and speed up the development of USB Power Delivery (PD3.0) and USB-C battery charging applications. These applications include USB-C computing hubs, power banks, car chargers, SSD enclosures, point of sale (POS) printers and desktop displays.

The RTK-251-1PowerBank3 and the RTK-251-BuckBoostConverter2 are their USB-IF PD3.0 certified design kits. They represent the first in a new series of reference designs for applications implementing the USB Type-C power and data connection standard.

“The RTK-251-1PowerBank3 and RTK-251-BuckBoostConverter2 reference designs significantly speed up customers’ development schedules by providing tested and complete solutions ready to drop into any design,” said Andrew Cowell, vice president, Battery & Optical Systems Division, Renesas Electronics Corporation. “Renesas’ industry-leading USB-PD and USB-C products enable smaller form factors, faster charging, and higher efficiency for remarkably longer battery life.”

What are some more of the key features of the RTK-251-1PowerBank3 Reference Design Kit? They include 1 port USB-PD power bank reference design board. This comes with a Type-C port supporting PD3.0 with PPS x1 and DRP with bypass mode. The kit supports OVP, OCP, OTP and UVLO protections. It supports USB-C authentication. It also is equipped with the SDK sample code and parameter settings, which are configured through Renesas USB Power Delivery Controller using the Flash ROM Image Generator software tool.

What about the RTK-251-BuckBoostConverter2 Reference Design Kit? This kit brings a two-port DC/DC Module reference design board. It is equipped with DC/DC converter. 3V, 5V and PD out. The kit also has ISL95338 x2, a type-C port, which supports PD3.0 x2 and 12V~19V for DC IN. The kit supports PD output voltage that comes with a fixed 5V, 9V, 15V, and 20V. Additionally Renesas Corporation offers user setting, 3 PDOs. And it supports USB-C authentication. This app comes with a SDK sample code and parameter settings configured through Renesas USB Power Delivery Controller Flash ROM Image Generator software tool.

The RTK-251-1PowerBank3 Reference Design Kit is available from Renesas Electronics Corporation’s worldwide catalog. It is suggested that distributors sell the kit at the resale price of $119.00. The RTK-251-BuckBoostConverter2 Reference Design Kit is also available from Renesas Electronics Corporation’s worldwide catalog. It is advised that distributors sell the product at the resale price of $127.00.


Chrissie Cluney has been a correspondent for IoT Evolution World since 2015. She holds a degree in English with a concentration in writing from the College of Saint Elizabeth.

Edited by Ken Briodagh
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