Product Code
Release Date
Product Item Code
Device Manufacturer
Transphorm Inc
Device Type
GaN Power FET
Transphorm TP65H015G5WS 650 V 15 mΩ SuperGaN Power Essentials
This report presents a power essentials (PEF) analysis of the Transphorm TP65H015G5WS 650 V 15 mΩ SuperGaN power FET. It is Transphorm’s fifth generation normally-off GaN cascode technology, claimed to possess the lowest RDS(ON) for a packaged GaN HEMT on the market today at 15 mOhm, comparable to the lowest RDS(ON) for 650 V SiC MOSFETs. As well as targeting industrial and renewable energy, AECQ-101 qualification is being pursued for this part and is expected to be achieved later in 2022.
This report contains the following detailed information:
  • Summary of observed device metrics and salient features
  • Package optical photographs, package X-ray images, die photographs, optical photos of the die feature image set
  • Plan-view images of the device delayered to the gate level
  • Exploratory cross-sectional scanning electron microscope (SEM) images of the device structure
  • Detailed cross-sectional scanning capacitance microscopy (SCM) and scanning microwave impedance microscopy (sMIM-C) analysis of the dopant structures
  • Detailed cross-sectional transmission electron microscope (TEM and STEM) images of the power device structure
  • Metal and dielectric layer composition identification based on TEM-EDS results

The image set for a standard PEF project is derived from a beveled sample for SEM planar analysis, one plane of cross-sectioning for SEM structural analysis, a single TEM sample for the detailed structural analysis, and planar and cross-sectional SCM and sMIM analysis. Value added information, such as additional planes of cross-sectioning, may be included on a case-by-case basis.
The Power Essentials deliverable provides basic competitive benchmarking information and enables cost-effective tracking of multiple competitors’ technology.

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