Transphorm, Inc. announced the availability of its 1200 V FET simulation model and preliminary datasheet. The TP120H070WS FET is the only 1200 V GaN-on-Sapphire power semiconductor introduced to date, making its model the first of its kind. Its release indicates Transphorm’s ability to support future automotive power systems as well as three-phase power systems typically […]
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GaN devices now available in PQFN 5×6 and 8×8 packages
Transphorm, Inc. announced the availability of six (6) surface mount devices (SMDs) available in Industry Standard PQFN 5×6 and 8×8 packages. These SMDs deliver the reliability and performance advantages offered by Transphorm’s patented SuperGaN® d-mode two-switch normally-off platform in the package configurations typically used by competitive e-mode GaN devices. As a result, these six devices […]
APEC 2023 round-up
The Applied Power Electronics Conference (APEC) has grown over the course of a few decades to be the leading conference in North America for power electronics professionals. This past month, March 19th to the 23rd, in Orlando, APEC returned to share the latest trends, technologies, and opportunities in power electronics with industry and academia alike. […]
GaN FET USB-C power adapter reference design boasts 30 W/in3 power density
Transphorm, Inc. announced a world-class GaN power adapter reference design. The solution is an open frame, 65W USB-C Power Delivery (PD) charger that combines Transphorm’s SuperGaN Gen IV platform with Silanna Semiconductor’s proprietary Active Clamp Flyback (ACF) PWM controller. Together, the technologies yield an unprecedented peak efficiency of 94.5 percent with an uncased power density […]
GaN FET USB-C power adapter reference design boasts 30 W/in3 power density
Transphorm, Inc. announced a world-class GaN power adapter reference design. The solution is an open frame, 65W USB-C Power Delivery (PD) charger that combines Transphorm’s SuperGaN Gen IV platform with Silanna Semiconductor’s proprietary Active Clamp Flyback (ACF) PWM controller. Together, the technologies yield an unprecedented peak efficiency of 94.5 percent with an uncased power density […]
Reference design based on 4-kW high-efficiency single-phase ac-dc evaluation board
A new power supply reference design enables engineers to identify and correct design errors before building hardware, thereby lowering product costs and speeding time to market. Switched-mode power supplies provide greater efficiency, increased power density and lower overall system costs when using GaN devices. However, GaN, a high switching speed, high performance wide bandgap semiconductor, […]
Evaluation board uses bridgeless totem-pole PFC topology with analog control
Transphorm, Inc. announced availability of its newest evaluation board, the TDTTP4000W065AN. Designed for single-phase AC-to-DC power conversion up to 4 kilowatts (kW), this board uses the bridgeless totem-pole power factor correction (PFC) topology with a traditional analog control. This pairing provides fast and easy access to the top-notch conversion efficiency made possible by Transphorm’s latest […]
900 V GaN FETs targeting industrial and renewable energy apps available in production quantities
Transphorm Inc. announced its second 900 V GaN FET is now in production. The TP90H050WS offers a typical on-resistance of 50 milliohms with a one-kilovolt transient spike rating and is now JEDEC qualified. The primary target markets are broad industrial and renewable energy, including applications such as photovoltaic inverters, battery charging, uninterruptable power supplies, lighting and […]
High-voltage GaN devices now available in 240 mΩ 650 V and 35 mΩ 650 V
Transphorm Inc. announced availability of its Gen IV GaN platform. Transphorm’s latest technology offers notable advancements in performance, designability, and cost when compared to its previous GaN generations. Related, Transphorm also announced today that Gen IV and future platform generations will be called SuperGaN technologies. The first JEDEC-qualified SuperGaN device will be the TP65H300G4LSG, a […]
Power module achieves 98 percent efficiency with GaN FETS
Transphorm Inc. today confirmed that Hangzhou Zhongheng Electric Co., Ltd (HZZH) has developed an ultra-efficient, GaN-based power module. The 3 kW ZHR483KS uses Transphorm’s GaN devices to reach 98 percent efficiency, making it the telecommunications industry’s most efficient GaN-powered module to date. Original design manufacturers (ODMs) can swap the ZHR483KS—which offers standardized output connector configurations—with existing same-wattage power modules […]
