Saelig Co. Inc. has announced Pulsiv OSMIUM, a novel patented power electronics technology for efficiently converting AC to DC that involves charging/discharging a small storage capacitor without the need for a PFC inductor. The OSMIUM microcontroller family and supporting components can be combined with commodity flyback DC-DC converters to displace higher-cost LLC solutions, achieving an unrivaled […]
Controllers
USB power delivery controller produces 140 W
STMicroelectronics has introduced the ST-ONEHP integrated digital controller, the world’s first IC certified by USB-IF according to the USB Power Delivery Extended Power Range (USB PD 3.1 EPR) specification. As the third controller in the ST-ONE family, the ST-ONEHP has 28V output capability to simplify building chargers and power adapters rated up to 140W. Sharing the […]
Flyback controller lights LEDs in 250 msec
STMicroelectronics’ HVLED101 90-400V flyback controller for LED-lighting applications up to 180W enhances performance and simplifies design through extensive feature integration, patented control techniques, and support for primary-sensing regulation. Joining ST’s HVLED family of high-power-factor controllers, the HVLED101 contains 800V startup circuitry that cuts the LED turn-on time to less than 250ms. High-voltage input-sensing circuitry and maximum power […]
USB-PD adapters support two power outputs
STMicroelectronics is extending its highly integrated and power-saving ST-ONE family of USB Power Delivery (USB-PD) digital controllers by introducing the ST-ONEMP, which supports two power outputs. The ST-ONEMP builds on the market-first ST-ONE architecture combining an Arm Cortex-M0+ microcontroller, energy-efficient non-complementary active clamp flyback controller, and USB-PD 3.1 interface in a single package. Using galvanic […]
Controller-GaN FET combo for designs of 140 W small fast-charging devices
EPC & Richtek announces the availability of a 4-switches bidirectional buck-boost controller reference design board that converts an input voltage of 12 V – 24 V to a regulated 5 V – 20 V output voltage and delivers up to 5 A continuous current and 6.5 A maximum current. The combination of the new Richtek […]
Flyback PWM controller ICs run in quasi-resonant mode to boost efficiency
Elevation Semiconductor announced the release of its two high-efficiency power ICs with smaller footprints for fast-charging solutions. The HL9510 and HL9512 are flyback PWM controller ICs that operate in a quasi-resonant (QR) mode to significantly enhance the system efficiency and power density. Both ICs offer constant output voltage regulation through the optocoupler feedback controller or […]
Integrated ac-dc power stages handle up to 950 V
Optimized performance, efficiency, and reliability in high-voltage power supplies need to be combined with reduced bill-of-material (BOM) count and cost, as well as lower design efforts. With its 5 th generation fixed-frequency (FF) CoolSET portfolio, Infineon Technologies AG offers the right components to meet these needs and effectively manage the critical design trade-offs. The new 800 V and 950 V […]
200-V MOSFETs target EV motor control, power supplies
Magnachip Semiconductor Corporation announced that the company has introduced its third-generation 200V Medium Voltage (MV) Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs) for Light Electric Vehicles (LEV) motor controllers and industrial power supplies. To maximize energy efficiency in power devices, Magnachip’s new 200V MOSFETs incorporate third-generation trench MOSFET technology. The capacitance was reduced by 50% compared to the previous generation […]
Dual-channel USB power delivery IC targets automotive apps
indie Semiconductor has launched a dual-channel USB Power Delivery (PD) IC that reduces component count, simplifies designs, and enhances the reliability of in-cabin vehicle charging systems for portable devices. Combining power conversion and control and supporting any configuration of USB Type A and Type C ports, the iND87300 is the automotive industry’s most integrated USB-PD […]
USB PD3.0 sink controller ICs target appliances, cordless power tools
Diodes Incorporated continues to strengthen its portfolio of USB power delivery (PD) solutions by bringing two new high-performance USB PD3.0 sink controller ICs to the market. The DIODES AP33771 and DIODES AP33772 sink controllers are targeted at home appliances and cordless power tools, enabling the appropriate voltage level to be negotiated via USB-C. They have an […]
