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  4. Diodes Incorporated — DMWSH120H90SM4Q & DMWSH120H28SM4Q Silicon Carbide (SiC) MOSFETs

Diodes Incorporated — DMWSH120H90SM4Q & DMWSH120H28SM4Q Silicon Carbide (SiC) MOSFETs

Diodes Incorporated

 

Diodes Incorporated DMWSH120H90SM4Q / DMWSH120H28SM4Q SiC MOSFETs

Enhance subsystem efficiency

The DMWSH120H90SM4Q and DMWSH120H28SM4Q by DIODES are automotive-compliant Silicon Carbide (SiC) MOSFETs designed to address the growing demand for SiC solutions in electric and hybrid-electric vehicles (EV/HEVs). These N-channel MOSFETs enable improved efficiency and higher power density in automotive subsystems, meeting the stringent requirements of modern EV/HEV applications. Both models operate reliably at voltages up to 1200VDS with a gate-source voltage (VGS) of +15/-4V, offering typical RDS(ON) values of 75mΩ and 20mΩ, respectively.

The DMWSH120H28SM4Q features a four-pin TO-247 package with a thermal resistance (RθJC) of 0.35°C/W, allowing for drain currents of up to 100A. This package also includes a Kelvin sense pin, which, when connected to the source pin, enhances gate control and optimizes device performance. These attributes make the DMWSH120H28SM4Q particularly suitable for high-power applications.

Both the DMWSH120H90SM4Q and DMWSH120H28SM4Q are equipped with robust body diodes that ensure fast switching times (tRR) and low reverse recovery charge (QRR). These characteristics minimize switching losses at high frequencies, contributing to the overall efficiency and performance of the system. With their advanced features, these SiC MOSFETs are ideal for next-generation EV/HEV powertrains and subsystems.

Features

  • Low RDS(ON) and low Qg: Enables system designers to maximize efficiency while ensuring power dissipation is kept to a minimum
  • Low RθJC: 0.35°C/W of RθJC enables drain currents of up to 100A
  • TO247-4 Package with Kelvin Sense Pin: Kelvin pin can be connected to the source to optimize switching performance, enabling higher power densities

 

  • Robust Body Diode with Fast tRR and Low QRR: Minimizes switching losses
  • Automotive Compliant: Qualified to AECQ101, supported by a PPAP and manufactured in IATF 16949 approved facilities

Applications

  • EV high-power DC-DC converters
  • EV charging systems

 

  • Automotive motor drivers
  • On-board chargers

 


Diodes Incorporated DMWSH120H90SM4Q & DMWSH120H28SM4Q