The RAC05-K/277 series includes 5 W ac/dc converters that support peak power needs and are specially designed for extended input lines and reliable operation at extreme temperatures from -40°C up to an impressive +90°C. The RAC05-K/277 series are built to operate from extended input lines with mains voltages from 85 Vac up to 305 Vac, […]
AC-DC
Chassis mount ac-dc power supplies housed in low-profile metal case
CUI’s Power Group today announced a new line of compact, chassis mount ac-dc power supplies housed in an enclosed metal case. The VGS‑B series offers power ratings from 35 to 350 W with low 30 mm profiles and compact packages as small as 99 x 82 x 30 mm (3.89 x 3.22 x 1.18 in). […]
Multi-output ac/dc converters cover 5 to 20-W range
The MORNSUN LHE series ac/dc converters cover the 5-20-W range. The LHE new series includes dual output LHExx-20Axx series, triple output LHExx-20Cxx series and isolated dual output LHExx-20Dxx series. The converters are economical thanks to material normalization, production automation, higher product consistency and reliability. They also feature an operating temperature expanded to -40 to 70℃ […]
Mean Well 5-30-W ac-dc medical grade supplies now available from Sager Electronics
Sager Electronics is now stocking Mean Well’s MFM Series 05-30 Watt AC-DC medical grade power supply. The MFM-05-30 series is a high density, small size AC-DC on-board, medical grade power supply. It features operation from 80-264VAC, a low no-load power consumption less than 0.075W, a high efficiency up to 91%, Class II (no FG) double insulation, outstanding […]
Transformerless chipset offers super-high power density for ac-dc supplies
Fabless power semiconductor company Helix Semiconductors today announced Murata Group represented by Murata Manufacturing Co., Ltd. is the first to co-develop the new MxC 300 transformerless chipset for their AC-DC converter modules. Helix Semiconductors’ MxC 300 is a two-chip solution that offers the highest power density in the industry – up to 20x higher than transformer-based solutions – for 65W […]
Single-output 600-to-1,200-W supplies provide MoPPs isolation, low acoustic noise, PMBus communication
The QS series of single output medical and industrial power supplies have full MoPPs (Means of Patient Protection) isolation, low acoustic noise and a range of options including a PMBus communication with a high current standby voltage. With medical and industrial safety certifications, the power supplies are suitable for use in medical, test and measurement, […]
Power shelves rectify 3-phase ac into 12 Vdc
Bel Power Solutions and Protection announces the SPSPFE3-05G and SPSPFE3-06G power shelves, which provide rectification, system management and power distribution from 3-phase AC (3W+N+PE) power into a main output of 12 VDC for powering intermediate bus architectures up to 15 kW (5+1) high-performance servers, routers and network switches. Each SPSPFE3 shelf can be configured with […]
How telematics is evolving with the connected car
The embedded systems that control vehicle tracking grow more sophisticated by the day. Hope Bovenzi, Texas Instruments Inc. The phrase “car of the future” often invokes thoughts about autonomous driving. But it is fair to also consider what it will be like as a passenger once our driving habits change. With free hands and relaxed […]
Galvanic isolation for electric vehicle systems
High voltages and high currents circulating in EVs make the fundamentals of electrical isolation techniques an important topic. Ross Sabolcik, Silicon Labs AS automotive designs move toward electrification, high-wattage power electronics become critical to new electronic drivetrain and battery systems. In these applications, digital controllers safely interface with the high-voltage systems of modern electric vehicles […]
Primary lithium-manganese-dioxide cylindrical cell features long-term reliability
A high safety and energy density cell, the CR-AG offers important features within the meter market, particularly a long lifespan. This technology replaces thionyl chloride as standard battery. This cell utilizes Manganese-based cathode material to deliver better temperature tolerance so it can operate in harsh environments. For the CR-AG, features include: • High current pulse […]