STMicroelectronics introduces automotive MOSFETs in dual side cooling package

STMicroelectronics has introduced metal-oxide semiconductor field effect transistor (MOSFET) devices in the advanced PowerFLAT 5.0 x 6.0mm dual-side cooling (DSC) package. As a result, the STLD200N4F6AG and STLD125N4F6AG MOSFETs can increase power density in automotive electronic control units (ECUs), says STMicroelectronics. 

The STLD200N4F6AG and STLD125N4F6AG are 40V devices for automotive motor-control applications, reverse-battery protection, and high-performance power switching. The 0.8mm-high PowerFLAT 5.0 x 6.0mm DSC form factor retains the footprint and thermally-efficient, bottom-side design of the standard package, says STMicroelectonics, while exposing the top-side source electrode, to further enhance heat dissipation. This allows a higher current rating that increases power density, enabling designers, explains STMicroelectronics, to build smaller ECUs without penalties in terms of functionality, performance, or reliability.

The STLD200N4F6AG and STLD125N4F6AG MOSFETs have a maximum drain current of 120A and maximum on-resistance of 1.5 and 3.0-mOhm, respectively. These parameters ensure high energy efficiency and help simplify system thermal management, claims STMicroelectronics. In addition, total gate charges of 172 and 91nC, with low device capacitances, permit efficient switching at high operating frequencies.

These two 40V MOSFETs are the first devices in a new family using ST’s STripFET F6 series with trench-gate structure. This will offer a wide range of current and voltage ratings for automotive applications. The MOSFETs are specified for operation in extremely harsh conditions including temperatures up to +175 degree C. The devices are 100 per cent avalanche-rated and offered in a package with wettable flank leads for optimum soldering and 100 per cent automatic optical inspection (AOI).

The STLD200N4F6AG and STLD125N4F6AG are AEC-Q101 qualified and are available now. The family will be extended with STripFET F7 devices later this year.

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