STMicroelectronics start volume production of its STPOWER GaN transistors
Date: 16/07/2023
STMicroelectronics announced it has started mass production of e-mode PowerGaN HEMT branded GaN transistors branded as STPOWER. These are for applications such as wall adapters, chargers, lighting systems, industrial power supplies, renewable energy applications, and in automotive electrification.
The first devices SGT120R65AL and SGT65R65AL, are industrial-qualified 650V normally-off G-HEMT in a PowerFLAT 5×6 HV surface-mount package. SGT120R65AL is 15A current rated, RDS(on) of 75mO (milli-ohms) at 25 Deg C and gate charge of 3nC and SGT65R65AL is 25A current rated with RDS(on) of 49mO (milli-ohms) at 25°C and gate charge of 5.4nC and both feature low parasitic capacitances to achieve minimal turn-on/turn-off energy losses. A Kelvin source connection allows optimized gate driving. In addition to the reduced size and weight of the power supplies and adapters, the two new GaN transistors provide higher efficiency, lower operating temperature, and extended life time.
ST to introduce new PowerGaN variants in coming months especially automotive-qualified devices with additional power-package options including PowerFLAT 8×8 DSC and LFPAK 12×12 for high power applications.
"ST’s G-HEMT devices facilitate the transition to GaN wide-bandgap technology in power conversion. GaN transistors with the same breakdown voltage and RDS(on) as silicon alternatives can achieve lower total gate charge and parasitic capacitances, with zero reverse-recovery charge. These properties raise efficiency and enhance switching performance, allowing higher switching frequency that permits smaller passive components thereby increasing power density. Applications can therefore become smaller with higher performance. In the future, GaN is also expected to enable new power-conversion topologies that will further improve efficiency and decrease power losses." explains ST.
ST said it has high production capacity for PowerGaN discrete products to support customer demand for a very fast ramp to volume manufacturing. The SGT120R65AL and SGT65R65AL in PowerFLAT 5×6 HV are available now, priced from $2.60 (SGT120R65AL) and $5.00 (SGT65R65AL) for orders of 100 pieces.
