The new HiperLCS-2 chipset brings Power Integrations’ unique 600 V FREDFETs and magneto-inductive FluxLink technology to the LLC topology. The result is 98% efficiency and 40% component-count reduction in LLC resonant power converters up to 250 W, eliminating bulky heatsinks or unreliable optocouplers. One-half of the dual-chip solution is the HiperLCS2-HB half-bridge power device utilizing […]
Consumer electronics
Catalog generator allows engineers to create personalized PDF capacitor catalogs
The newly expanded CDE features a Custom Catalog Generator that allows engineers to create their personalized PDF capacitor catalogs. A catalog can include just the product lines of interest, a product category, or even by application. Once the selection is made, it takes just seconds to build the catalog. The catalog is saved to a drive and […]
Four-terminal shunt resistor provides low-resistance, high-accuracy current sensing
Stackpole’s CSSK3637 is a four-terminal shunt that provides very low resistance values which have been expanded to 0.5 to 6 milliohms, in tolerances as low as 0.5% and TCR of 50 ppm. In addition, this all-metal shunt has an operating temperature up to 170C, providing excellent stability for a wide range of end products. The […]
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, […]
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 […]
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 […]
High-efficiency quasi-resonant PFC IC carries 750-V GaN switch
Power Integrations announced the HiperPFS-5 family of power-factor-correction (PFC) ICs with an integrated 750 V PowiGaN gallium-nitride switch. With an efficiency of up to 98.3 percent, the new ICs deliver up to 240 W without a heat sink and can achieve a power factor of better than 0.98. HiperPFS-5 ICs are ideal for high-power USB […]
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) […]
GaN reference design covers 300-W audio boost converter
GaN Systems announced the launch of its 300W Audio Boost Converter SMPS at the 37th annual Applied Power Electronics Conference (APEC) in Houston. The 300W reference design, targeted for automotive, marine, motorcycle, and a broad range of 12VDC input applications, features a complete turnkey platform solution that accelerates time-to-market, delivering improved audio quality and smaller, more streamlined audio […]