Murata announced the expansion of its PQ line which is comprised of open frame AC/DC converters. The PQU1000 series was designed for industrial and medical applications requiring a high level of safety. The line meets IEC62368-1 and EN60601-1 third edition standards for industrial and healthcare applications. Given that, it is suitable for Body Floating (BF) […]
Power Management
DC/DC converter ICs feature fast load transient response
ROHM Semiconductor introduced a new power supply technology, QuiCur, that improves the load transient response characteristics (response performance involving response speed, and voltage stability of subsequent stage) of DC/DC converter ICs (switching regulators) and LDOs (linear regulators). In recent years, the continuing electrification of applications in all areas has increased the number of electronic components, […]
650-V SiC MOSFETs sport low reverse-recovery, drain-source charge
Infineon Technologies AG offers a new family of CoolSiC 650 V silicon carbide (SiC) MOSFETs to deliver reliable, easy-to-use, and cost-effective top performance. The devices build on Infineon’s state-of-the-art SiC trench technology and come in a compact D 2PAK SMD 7-pin package.XT interconnection technology. They target high-power applications including servers, telecom, industrial SMPS, fast EV charging, motor drives, solar energy […]
LDOs span 5-60-V input range
Diodes Incorporated has added to its portfolio of power management products with the introduction of a new series of low drop-out (LDO) voltage regulators. The DIODES AP7387 devices are used in applications such as cordless vacuum cleaners, smoke detectors, power tools, and various other household appliances. The devices have an input voltage range spanning from […]
140-W supply design employs high- and low-voltage GaN switches to boost efficiency
Innoscience Technology announced a new ultra-high-density 140W power supply demo that uses the company’s high- and low-voltage GaN HEMT devices to achieve efficiencies of over 95% (230VAC; 5V/28A). Measuring just 60x60x22mm (2.4×2.4×0.9in) the PSU has a class-leading power density of 1.76W/cm3 (29W/in3). The 140W 300kHz AC/DC adapter uses a CRM Totem Pole PFC + AHB […]
Efficient step-down dc-dc converter module delivers 72 W
Murata announced the development of the MYC0409, the industry’s highest power density (5.4kW/inch3), 48 Vin divide-by-4 charge pump capacitor divider module with all passive components integrated into a low profile PSiP package. Capable of delivering up to 72 watts of power with a peak efficiency of around 97-percent, the interleaved, switching capacitor architecture is based […]
STMicroelectronics’ 50W GaN converter enables high-efficiency power designs in consumer and industrial applications
The STMicroelectronics VIPerGaN50 simplifies building single-switch flyback converters up to 50 Watts and integrates a 650V gallium-nitride (GaN) power transistor for superior energy efficiency and miniaturization. With its single-switch topology and high integration, including current-sensing and protection circuitry also built-in, the VIPerGaN50 comes in a compact and low-cost 5mm x 6mm package. The speed of the integrated […]
Low-profile open-frame supplies target demanding industrial applications
Cosel Co, Ltd announced the addition of two open-frame compact power supplies for demanding industrial applications to its LHA series. Benefiting from the latest power switching technologies, the LHA10F and LHA15F are 15% smaller and offer a leakage current 50% lower than conventional products on the market. Designed for use in a wide range of […]
Ultra-high efficiency, low component count AC/DC supplies include power factor correction
Eggtronic has expanded its EcoVoltas family of high-efficiency AC/DC architectures with the launch of SmartEgg, a Zero Voltage Switching (ZVS) solution for power applications in the 75 to 1kW range that need both output voltage regulation and power factor correction (PFC). By enabling much higher no-load-to-full-load efficiency and a 50% smaller bill of materials (BOM) […]
Chip varistor for automotive Ethernet sports strong ESD resistance
TDK Corporation expands its product lineup with a new chip varistor, type AVRH10C101KT4R7YA8, for automotive application Ethernet with strong resistance to ESD. Utilizing high-precision multilayer technology and optimizing the manufacturing process and process design, the product implements a tight tolerance of 4.7 ± 0.57 pF in the capacitance range and strong resistance to voltage ESD […]