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microsemicorporation

Eight-port PoE switch provides 60 W per port

May 23, 2019 By Aimee Kalnoskas

PDS-408G PoE switch

The adoption of commercial smart lighting systems has grown significantly as organizations strive to improve energy efficiency and operational costs in buildings. Power over Ethernet (PoE) is rising in popularity for these systems, providing a reliable and easy-to-install solution that manages power and data over a single Ethernet cable. To support larger and more efficient […]

Filed Under: LED Lighting, Power Components, Power over Ethernet Tagged With: microchiptechnologyinc, microsemicorporation

Specialized diodes, Part 2: Varactor, Gunn, and PIN diodes

May 20, 2019 By Bill Schweber

specialized diodes

Part 1 of this FAQ reviewed the standard PN semiconductor diode, and looked at some specialized variations called the tunnel, Zener/avalanche, and Schottky diodes. Part 2 briefly explores the varactor, Gunn, and PIN diodes. Q: What about the varactor diode? A: The varactor diode (Figure 1), also called a voltage variable capacitor (VVC) or varicap […]

Filed Under: diodes, FAQ, Featured, Power Components Tagged With: FAQ, microchiptechnologyinc, microsemicorporation

Specialized diodes, Part 1: Tunnel, Zener/Avalanche, and Schottky diodes

May 17, 2019 By Bill Schweber

specialized diodes

There are diode varieties which do much more than just block current flow in one direction and allow it in the other; some of these special diodes have favorable attributes while others are essential in modern electronics. Every electronic engineer is familiar with the diode: it’s a basic, widely used, two-terminal semiconductor device. The diode’s […]

Filed Under: cooling fans, FAQ, Featured, Semiconductor Tagged With: FAQ, microchiptechnologyinc, microsemicorporation

Power SiC components include 600-V MOSFETs, 600/1,200-V Schottky barrier diodes

May 2, 2019 By Aimee Kalnoskas

Power SiC components

Demand is growing for SiC power products that improve system efficiency, robustness and power density in automotive, industrial and aerospace and defense applications. Microchip Technology Inc., via its Microsemi subsidiary, today announced the production release of a family of SiC power devices that offer proven ruggedness and the performance benefits of wide-bandgap technology. Complemented by Microchip’s broad range […]

Filed Under: diodes, MOSFETS, Power Components, Transistors Tagged With: microchiptechnologyinc, microsemicorporation

Power-supply overvoltage protection, Part 2: Clamps

October 22, 2018 By Bill Schweber

Part 1 of this FAQ discussed the context of overvoltage protection and crowbars which provide OVP. This part will look at clamps for OVP use. Q: What does the clamp do? A: A clamp conducts just-enough current to maintain the voltage across it at a safe, desired value when the transient is above the clamp’s […]

Filed Under: FAQ, Featured Tagged With: basics, bournsinc, FAQ, microsemicorporation, sunpowerelectronicsltd

Low RDSon SiC MOSFET power modules in SP6LI package offers 2.9 nH stray inductance

May 30, 2018 By Aimee Kalnoskas

SiC MOSFET power modules

Microsemi Corporation announced its extremely low inductance package dedicated to high current, low specific on-resistance (RDSon) Silicon Carbide (SiC) MOSFET power modules. The new package, developed specifically for the company’s SP6LI product family, is designed to offer 2.9 nanohenry (nH) stray inductance suitable for SiC MOSFET technology and enable high current, high switching frequency as […]

Filed Under: MOSFETS Tagged With: microsemicorporation

3-kW 3-phase PFC reference design uses SiC diodes and MOSFETs

May 23, 2018 By Aimee Kalnoskas

PFC reference design

Microsemi Corporation announced the availability of its new scalable 30-kilowatt (kW), three-phase Vienna power factor correction (PFC) topology reference design featuring its Silicon Carbide (SiC) diodes and MOSFETS. Developed in collaboration with North Carolina State University (NCSU), the scalable, user-friendly solution is ideally suited for fast electric vehicle (EV) charging and other high power automotive and industrial applications, providing customers with more efficient switching […]

Filed Under: Development Tools, diodes, MOSFETS Tagged With: microsemicorporation

Microsemi to develop 1.7 kV and 3.3 kV SiC MOSFETS and diodes as part of PowerAmerica Institute’s DOE initiative

August 21, 2017 By Aimee Kalnoskas

SiC MOSFET power modules

Microsemi Corporation announced it has become a member of PowerAmerica—a manufacturing institute comprised of public and private representatives from the semiconductor industry, the U.S. Department of Energy, national laboratories and academia—to accelerate the commercialization and adoption of wide bandgap semiconductors. Microsemi was awarded a contract as part of PowerAmerica’s $70 million dollar backing from the U.S. Department of Energy […]

Filed Under: Power Components, Power Supply News, Semiconductor Tagged With: microsemicorporation, PowerAmerica

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