Dialog Semiconductor plc announced the availability of its innovative digital Zero Voltage Switching (ZVS) chipset to enable 100 Watt and beyond High Power Density (HPD) Power Supply Units (PSUs) that are 30-50% smaller than conventional high power PSUs. Historically, AC/DC converters have been challenged by thermal constraints associated with the efficiency of the device. Now, with […]
AC-DC
Programmable 3-phase 5-kW ac-dc supplies provide constant voltage/current output
The latest addition to the high power range of digital programmable 3 phase 5kW AC-DC power supplies offers flexible operation with uncomplicated low line input requirements. The new HPL5K0 series offers both constant voltage and constant current operation, along with the flexibility and user configurability needed for applications such as LED curing and heating, 2D […]
700-V buck regulators billed as EMI friendly
Renesas Electronics Corporation unveiled a family of new 700V buck regulators that offers designers numerous advantages over competitive solutions. The new RAA2230XX devices deliver superior power consumption, noise, and EMI suppression, as well as reduced overall system cost. They are ideal for a wide range of applications, including home appliances, sensing systems such as smoke […]
SMD ac/dc supply IC carries 1,700-V SiC MOSFET
ROHM Semiconductor introduced the industry’s first* AC/DC converter ICs with a built-in 1700V SiC MOSFET (BM2SC12xFP2-LBZ) in the TO263-7L package. The devices are optimized for industrial applications focusing on auxiliary power supplies for street lamps, commercial air-conditioning systems, general-purpose inverters, and AC servo drives. An auxiliary power supply is an essential and vital part of industrial applications […]
Super-low-profile inductors handle 33 A
With WE-HCFT 2504, Würth Elektronik has added a model with an unusually low overall height to its tried and tested family of THT high-current inductors. The flat wire coil with MnZn core is only 4 mm high. With no standard competitors in the market. Current-carrying capability extends to 33 A. Achieving one of the highest power density […]
1U dc supplies provide up to 10 kW output
Magna-Power expanded its popular SL Series programmable DC power supply product line with the introduction of 18 new models at 10 kW rated output power while maintaining the product line’s 1U (1.75” high) rack-mount form factor. The SL Series continues to lead 1U rack-mount programmable DC power supply power density, enabling extremely power dense rack-mount […]
External power supplies target home healthcare applications
CUI Inc, a Bel group company, announced the addition of a new series of medical desktop ac-dc power supplies to its external ac-dc power supply line. The SDM24-UD Series is available in four models and in black or white color options. The series features up to 27 W of continuous power and no-load power consumption […]
Modular power supply provides 385 Vdc for distributed power and dc microgrids
TDK Corporation announces the introduction of the TDK-Lambda brand TPF45000-385 non-isolated modular AC-DC power supply. Developed for use in distributed power architectures (DPA) and DC Microgrids, the 98% highly efficient TPF45000 provides a regulated 385Vdc output with a current of up to 117A. Low internal losses enable the use of cooling by fans, avoiding the […]
Wireless charging scheme delivers 300 W over 40 mm
Eggtronic has announced E2WATT, a new AC power technology that will boost the power, efficiency, charging distance, and data transmission capabilities of wireless charging applications. Offering efficiency comparable with the best conventional wired AC adapters, E2WATT provides the foundation for taking future mobile charging designs into new segments including laptops, AV equipment, and even home […]
Baseplate-cooled 75-W ac-dc supply carries built-in fuse, EMC filter
Announcing the availability of a new range of low profile, half brick, baseplate cooled AC-DC power supplies which require no external circuitry for operation or EMC compliance. Models in the new ASB75 series offer compact, fanless power with baseplate cooling for applications such as information technology equipment (ITE), Internet of things (IoT), general industrial and […]
