Asymmetric package optimizes RDS(on) of low-side MOSFETs, saving space in synchronous DC/DC converters
Pennsylvania, MALVERN — December 12, 2013 — Vishay Intertechnology, Inc. (NYSE: VSH) today announced the launch of the new 40V dual-chip N-channel with AEC-Q101 certification in an asymmetric PowerPAK® SO-8L package. TrenchFET® power MOSFETs - SQJ940EP and SQJ942EP. Vishay Siliconix's two devices can be used in automotive applications, combining high-side and low-side MOSFETs required for high-efficiency synchronous DC/DC buck converters into a small 5mm x 6mm package, saving space compared to discrete MOSFETs The low on-resistance of the low-side MOSFET is as low as 6.4mΩ.
These MOSFETs released today are the industry's first automotive-certified two-chip MOSFETs in an asymmetric package that reduces the conduction losses and increases the size of the low-side MOSFETs. The device operates at +175°C and offers the durability and reliability required for applications anywhere in the car. The device is especially suitable for in-vehicle communication entertainment systems such as radios and GPS systems.
The SQJ940EP and SQJ942EP allow designers to choose different on-resistance values. At 10V, the SQJ940EP's channel 2 low-side MOSFET has a maximum on-resistance of 6.4mΩ, and the channel 1 high-side MOSFET has an on-resistance of 16mΩ. Compared to the two-chip symmetrical scheme, the SQJ940EP has a low on-resistance of 31% and a small size. The maximum low-side on-resistance of the SQJ942EP at 10V is 11mΩ, and the on-resistance of the high-side MOSFET is 22mΩ.
These MOSFETs are 100% Rg and UIS tested, RoHS compliant, halogen free.
Device specification sheet:
Samples and production quantities of the SQJ940EP and SQJ942EP are available now, with lead times of 14 to 16 weeks for larger orders.
Introduction to VISHAY
Vishay Intertechnology, Inc. is a Fortune 1000 company listed on the New York Stock Exchange (VSH), a global division of semiconductors (diodes, MOSFETs, and infrared optoelectronic devices) and passive electronic components (resistors, inductors, capacitors) One of the largest manufacturers. These components are used in virtually all types of electronic equipment and equipment in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power and medical markets. Vishay has become a global industry leader with product innovation, a successful acquisition strategy, and a “one-stop shop†service. For more information on Vishay, please visit the website.
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