Taiwan Semiconductor announces the availability of the GBU150x family of standard bridge rectifiers. These GBU-packaged, 15A-rated rectifiers are available with peak repetitive reverse voltage ratings (VRRM) from 600V to 1000V and 1.0ms peak forward surge current (IFSM) of 600A. The highest-rated (1KV) device, offered at the same price in production quantities as the others in […]
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AC-DC power supplies for budget-conscious applications
XP Power announced the introduction of the LCS series of regulated output, convection cooled AC-DC power supplies that are well-suited to budget-conscious applications. The four new series (LCS35, LCS50, LCS75, and LCS100) offer power levels of 35W, 50W, 75W, and 100W, respectively, and feature class B conducted and radiated emissions for easy & low-cost system […]
Hybrid lithium-ion supercaps deliver up to 220 F at 3.8 V
Cornell Dubilier Electronics introduces two new series of Hybrid LIC Supercapacitors in response to the growing need for ultra-high capacitance values at higher operating voltages. The new VMF and VPF Series operate at 3.8 WVDC with capacitance values up to 220 Farads. The higher voltage results in increased energy density. With nearly eight times the energy density and a […]
Quarter, half-brick dc-dc converters sport 91% efficiency with a 16 – 160 Vdc input range
Murata announced two new ultra-wide 10:1 ratio DC-DC converters, the 250W IRH-W80 half-brick and the 150W IRQ-W80 quarter-brick from Murata Power Solutions. Both high power density modules feature efficiency levels above 91 percent with a 16 – 160 Vdc input voltage range. The 250W IRH-W80 and 150W IRQ-W80 modules are designed for embedded applications in […]
High-temperature snubberless triacs reduce heat sink needs
STMicroelectronics’ 800V 8H Triacs operate at full rated current up to the maximum junction temperature of 150°C, allowing heatsinks in drives for AC loads to be up to 50% smaller to combine compact dimensions with high reliability. Suited to industrial, personal care, smart-home, and smart-building applications, the new Triacs leverage ST’s latest Snubberless high-temperature technology […]
Single IC integrates power, voltage, and current monitoring, reinforced isolation
Allegro MicroSystems announced the launch of the ACS37800, a Hall-effect power monitoring IC for single-phase AC and DC solutions in a small PCB footprint. Another industry-first innovation, Allegro’s ACS37800 is an integrated power monitoring chip that allows simultaneous measurement of power, voltage, and current for AC and DC signals with an isolation rating of up […]
AC-DC convection cooled sealed power supplies handle 400 W
Bel Power Solutions announces the ABS400/MBS400 Series of convection cooled power supplies which are sealed and fully potted, offer IP66/67 ingress protection, and fit 1U applications. These power supplies may be mounted for conduction or convection cooling and are rated at 300 W in still air and 400 W with conduction via the optional heat […]
Eval board wrings out LED power modules, includes analog and PWM dimming
With the MagI³C-LDHM (LED Step Down High Current Module) Power Module, Würth Elektronik now has the perfect solution for LED power supply in its portfolio. To make it even easier for developers to use these DC-DC converters with integrated controller IC, inductors, and capacitors—Würth Elektronik now offers an LDHM Evaluation Board. It integrates an efficient […]
Three-phase half-bridge driver ICs control brushless motors for e bikes, power tools
STMicroelectronics has created an integrated three-phase half-bridge driver IC with performance optimized for low-voltage industrial applications up to 75V, delivering a space-efficient and power-saving solution to control three-phase brushless motors in e-bikes, power tools, pumps, fans, light machinery, gaming consoles, and other equipment. The STDRIVE101 embeds three half-bridge drivers for external N-Channel MOSFETs, each able to sink […]
Offline converter IC integrates PWM, control components
The latest addition to the VIPerPlus series, the VIPer31 compact high-voltage converter IC from STMicroelectronics enables robust power-converter solutions that deliver excellent reliability and meet energy-saving eco-design norms while saving bill-of-materials (BoM) costs. VIPer31 is optimized for commonly used offline AC/DC converter topologies, including isolated and non-isolated flyback, buck, and buck-boost converters. The compact, highly integrated IC requires […]
