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Switches

Why is a gate driver essential for high-performance power switching?

July 16, 2025 By Rakesh Kumar

Gate drivers are essential for wide-bandgap semiconductors like SiC MOSFETs and GaN HEMTs. These devices are better than regular Si devices in many ways. These advanced devices have faster switching speeds and operate at higher frequencies, necessitating optimized gate drive circuitry. This FAQ will cover three aspects of an essential gate driver, namely, crosstalk minimization, […]

Filed Under: drivers, FAQ, Featured, Switches Tagged With: FAQ

Tab terminal relay delivers 20 A at 800 VDC with 0.9 W power consumption

June 10, 2025 By Redding Traiger

FCL Components America, Inc., has released the FTR-E1J 20A, a tab terminal-type high voltage DC switching relay, based on its FTR-E1 series. It is screw mounted and does not use printed circuit boards. This new relay delivers 20A 800 VDC, 10A 1,000VDC higher voltage switching with no specific polarity requirements for the connection of load […]

Filed Under: Automotive, Development Tools, Industrial, Power Components, Power Management, Relay, Switches Tagged With: fclcomponentsamerica

GaN switch delivers bidirectional voltage blocking in single device

May 13, 2025 By Redding Traiger

Infineon Technologies AG is introducing the CoolGaN bidirectional switch (BDS) 650 V G5, a gallium nitride (GaN) switch capable of actively blocking voltage and current in both directions. Featuring a common-drain design and a double-gate structure, it leverages Infineon’s robust gate injection transistor (GIT) technology to deliver a monolithic bidirectional switch, enabled by Infineon’s CoolGaN […]

Filed Under: AI, Automotive, Consumer electronics, Data center, Development Tools, Industrial, Motors and motor control, Power Components, Switches Tagged With: infineontechnolgiesag

Reference designs support 800 V automotive applications with 17 00V SiC switching

May 8, 2025 By Emma Lutjen

A series of new reference designs featuring a 1700 V-rated silicon carbide (SiC) integrated flyback switcher IC for use in electric vehicles operating at 800 V has been developed. These designs address multiple auxiliary power requirements, including DC-DC bus conversion, emergency power for inverters, battery management systems, and other auxiliary loads. Output power levels range […]

Filed Under: Automotive, Switches Tagged With: powerintegrationsinc

Silicon carbide JFETs feature 2.3 mΩ resistance for 1200 V applications

May 6, 2025 By Redding Traiger

Infineon Technologies AG is expanding its silicon carbide (SiC) portfolio with the new CoolSiC JFET product family. The new devices deliver minimized conduction losses, solid turn-off capability, and high robustness, making them ideal for advanced solid-state protection and distribution. With robust short-circuit capability, thermal stability in linear mode, and precise overvoltage control, CoolSiC JFETs enable […]

Filed Under: Automotive, Data center, Development Tools, Industrial, Power Components, Power Management, Switches Tagged With: infineontechnolgiesag

48 V switches feature ±5% current sense accuracy

April 7, 2025 By Redding Traiger

As vehicle architectures transition to hybrid and electric models, conventional battery systems are increasingly being supplemented or replaced by 48 V power sources. This shift is expected to become the new standard for future electric vehicles, as 12 V and 24 V power net systems reach their limits. 48 V systems enable advanced features, enhance […]

Filed Under: Automotive, Consumer electronics, Development Tools, Power Components, Power Management, Switches Tagged With: infineontechnolgiesag

FAQ on high-side versus low-side load switching: part 2

January 13, 2025 By Bill Schweber

The difference between high-side and low-side power switching is not apparent to many new designers but is a critical aspect of a viable circuit. Part 1 looked at the topology of high-side versus low-side arrangements; this part looks at switches and decisions in more detail. The switches Q: Is a high-side switch the same as […]

Filed Under: FAQ, Featured, Switches Tagged With: FAQ

Multi-output power supply IC features 1700 V GaN switch

November 4, 2024 By Aimee Kalnoskas

1700 V PowiGaN

Power Integrations has introduced a 1700 V gallium nitride (GaN) switch, the 1700 V InnoMux-2. marking a new technical milestone in high-voltage power semiconductors. The technology is implemented in the company’s InnoMux-2 family of power supply ICs, designed for multi-output power supplies operating from high-voltage DC sources. “The new device is fabricated using our PowiGaN™ technology. […]

Filed Under: Applications, Industrial, Power Components, Renewable energy, Semiconductor, Switches Tagged With: GaN, power integrations

Solid-state relay switches 100 V in 0.1 ms

October 9, 2024 By Redding Traiger

Vishay Intertechnology, Inc. introduced the industry’s first 1 Form A solid-state relay to offer AEC-Q102 qualification and a 100 V load voltage. Offered in the low profile SOP-4 package, the Vishay Semiconductors VORA1010M4 delivers the industry’s fastest turn-on and turn-off times of 0.1 ms typical, in addition to the highest operating temperature of +125 °C. […]

Filed Under: Automotive, Data center, Industrial, Relay, Security, Switches, Telecommunications Tagged With: vishayintertechnology

Switcher IC cuts need for second regulator, reducing board space

June 19, 2024 By Redding Traiger

InnoMux2-EP switcher ICs for multi-output flyack power supplies eliminate the need for DC-DC post-regulators. A new design example report, DER-716, demonstrates the high level of integration realized by InnoMux2-EP devices. The single-stage power converter design is suitable for appliances and industrial power supplies. It features three constant voltage outputs (5 V, 12 V & 24 […]

Filed Under: DC-DC, Development Tools, Industrial, LED Lighting, Power Components, Power Management, Switches Tagged With: powerintegrationsinc

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Featured Contributions

Robust design for Variable Frequency Drives and starters

Meeting demand for hidden wearables via Schottky rectifiers

The case for vehicle 48 V power systems

GaN reliability milestones break through the silicon ceiling

Developing power architecture to support autonomous transportation

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