ROHM Announces Hybrid IGBTs with Built-In SiC Diode

By Tiera Oliver

Associate Editor

Embedded Computing Design

July 20, 2021


ROHM Announces Hybrid IGBTs with Built-In SiC Diode

ROHM Semiconductor announced the RGWxx65C series of hybrid IGBTs with an integrated 650V SiC Schottky barrier diode.

The devices, qualified under the AEC-Q101 automotive reliability standard, are ideal for automotive and industrial applications that handle high power, such as photovoltaic power conditioners, onboard chargers, and DC/DC converters used in electric and electrified vehicles (xEVs).  

The RGWxx65C series (RGW60TS65CHRRGW80TS65CHRRGW00TS65CHR) utilizes ROHM’s low-loss SiC Schottky barrier diodes in the IGBT feedback block as a freewheeling diode that, per the company, has almost no recovery energy, thus minimal diode switching loss. Additionally, since the recovery current does not have to be handled by the IGBT in turn-on mode, IGBT turn-on loss can be reduced. According to the company, both effects together result in up to 67% lower loss over conventional IGBTs and 24% lower loss compared with Super Junction MOSFETs (SJ MOSFETs) when used in vehicle chargers. This effect provides good cost performance while contributing to lower power consumption in automotive and industrial applications.

To provide effective power solutions for a wide range of applications, ROHM is focusing not only on product and technology development for industry leading SiC power devices, but also for silicon products and driver ICs. 

Hybrid IGBT Product Lineup [RGWxx65C Series]

In addition to these novel hybrid IGBTs, ROHM also offers products utilizing silicon FRDs as the freewheeling diode, as well as products without a freewheeling diode. Click here for more information.

Application Examples

  • Automotive chargers (onboard chargers)
  • Vehicle DC/DC converters
  • Solar power inverters (power conditioners)
  • Uninterruptible power supplies (UPS)


  • Samples: Available now
  • Mass Production: December 2021
  • Online distributors: Digi-Key, Mouser, and Farnell (scheduled for release by additional online distributors)

For more information, visit

Tiera Oliver, Associate Editor for Embedded Computing Design, is responsible for web content edits, product news, and constructing stories. She also assists with newsletter updates as well as contributing and editing content for ECD podcasts and the ECD YouTube channel. Before working at ECD, Tiera graduated from Northern Arizona University where she received her B.S. in journalism and political science and worked as a news reporter for the university’s student led newspaper, The Lumberjack.

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