This year’s IEEE International Electron Devices Meeting (December 7-11, 2019) played host to presentations describing advances in gallium-nitride technology that may lead to smaller, more integrated power circuitry such as single-chip switching power supplies and more efficient power transistors. The IEDM is considered one of the premier technical conferences for developments in semiconductor and integrated […]
Semiconductor
SiC FETs feature RRS(on) below 10 mΩ for high efficiency, low losses
Four new SiC FETs deliver RDS(ON) levels as low as 7 mΩ, delivering unprecedented levels of performance and efficiency for use in high-power applications such as electric vehicle (EV) inverters, high-powered dc/dc converters, high-current battery chargers and solid-state circuit breakers. Of the four new UF3C SiC FET devices, one is rated at 650 V with […]
Surface-mount current sensors handle up to 400 A
Allegro MicroSystems announced significant ease-of-use enhancements to its popular high current fully integrated ACS772/3 current sensor “CB” package family. These industry-leading, automotive-grade high voltage isolation current sensors already provide economical and precise solutions for both AC and DC current sensing up to 400A. Building on that leadership and deep customer-understanding, Allegro’s new surface-mount leadform option for […]
High-temperature thyristors handle up to 250 Vrms
Five new series of high-temperature Alternistor TRIAC switching thyristors are designed for use as semiconductor switches in appliances and equipment powered by line AC voltages up to 250 VRMS. Available in five compact, surface-mount and through-hole packages, these components expand the Littelfuse TRIAC product line by making high 150°C maximum junction temperature devices available in […]
Ultra-high-efficiency 4-A two-input power mux targets IoT apps
The GLF74130 input Power Mux IC offers significant efficiency improvement over traditional diode-based solutions. The tiny (1.27×1.67-mm) Wafer Level Chip Scale Packaged (WLCSP) Mux provides automatic/manual selection between two 1.5 to 5.5-V input power sources with up to 4.5 A continuous output current. The device’s small footprint and industry-leading combination of low RON (20 mΩ), […]
TRIAC thyristors offer high-temp switching for IoT smart home applications
Littelfuse announced an additional five series of high-temperature Alternistor TRIAC switching thyristors. The thyristors are designed for use as semiconductor switches in appliances and equipment powered by line AC voltages up to 250VRMS. Available in five compact, surface-mount and through-hole packages, these components expand the Littelfuse TRIAC product line by making high 150°C maximum junction […]
Power Electronics Top Talks in August 2019 on EDABoard.com
Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around power electronics. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com 1 minute vs. 1-second isolation voltage test – Some offline transformers are spec’d for 3750vac for 1second (3mA). Some are spec’d […]
X-capacitor discharge ICs help designs meet IEC60335 specs
Power Integrations announced CAPZero-3, the latest generation of the company’s energy-saving X-capacitor discharge ICs. Two-terminal CAPZero-3 ICs enable designers to easily meet IEC60335 safety approvals for major appliances, and cover all capacitor values from 100 nF to 6 µF. IEC60335 is the discharge safety standard for all appliances. To protect the user from an electrical hazard, […]
Transphorm to produce first commercialized nitrogen polar GaN for RD/mm-wave for DoD/5G
Transphorm Inc. today announced that the U.S. Department of Defense (DoD) Office of Naval Research (ONR) has exercised a three-year $15.9 million option on an existing $2.6 million base contract with the company. This contract, N68335-19-C-0107, administered by Naval Air Warfare Center Aircraft Division, Lakehurst establishes Transphorm as a U.S.-based dedicated production source and supplier […]
Power Electronics Top Talks in June 2019 on EDABoard.com
Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around power electronics. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com 24V to 5V buck converter – I want to design a simple buck converter that converts a 24V input to a […]
