STMicroelectronics has unveiled MasterGaN, the world-first platform embedding a half-bridge driver based on silicon technology along with a pair of gallium-nitride (GaN) transistors. The combination will accelerate the creation of next-generation compact and efficient chargers and power adapters for consumer and industrial applications up to 400W. GaN technology enables these devices to handle more power even as […]
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Fast-starting intelligent power switches optimized for demanding safety applications
STMicroelectronics has added new fast-starting devices to its family of intelligent power switches for safety-instrumented systems. With power-on delay time of less than 60µs, the IPS160HF and IPS161HF satisfy standardized requirements for interface types C and D in Safety Integrity Level (SIL) Class 3 applications. Featuring a wide input-voltage range of 8V-60V, maximum switch resistance (RDS(on)) of […]
Eval board carries 400-W Energy Star 6.1 supply circuit
STMicroelectronics’ EVL400W-EUPL7 evaluation board delivers a ready-to-use 400-Watt power-supply solution that meets today’s toughest eco-design norms. The board leverages innovative features of ST’s L4984D current-mode PFC controller and L6699 resonant half-bridge controller to maximize energy efficiency in multiple operating modes. Full-load efficiency is over 93% at 230VAC and over 91% at 110VAC, with no-load mains consumption of […]
Development board covers USB Fast Charging over USB-C embedded apps
STMicroelectronics is facilitating modernization of battery-powered products to capture the advantages of the latest USB Power Delivery (USB PD) technology including faster charging and easy reuse of USB-C chargers and cables. The universal fast-charging ecosystem is rapidly expanding as products like mobile handsets gain ever-larger batteries. The latest USB PD chargers can have power ratings […]
Two-channel interleaved boost-PFC controller IC includes mechanical inrush control
STMicroelectronics is extending its range of digital power-supply controllers with the STNRGPF02 for two-channel interleaved boost-PFC topologies. Customers can easily configure the device using eDesignSuite software that also helps quickly complete the circuit design and select external components. The STNRGPF02 brings the advantages of digital power to applications from 600W to 6kW, including greater flexibility and faster […]
ESCC-qualified power rectifiers, Schottky diodes are rad-hard for aerospace use
STMicroelectronics has extended its portfolio of radiation-hardened power devices qualified for space applications by introducing new ESCC (European Space Components Coordination) qualified 200V and 400V power rectifiers and SEB-immune Schottky rectifiers at 45V and 150V. The rad-hard Schottky diodes include 45V and 150V devices, SEB immune up to 61MeV/cm2/mg linear energy transfer (LET). These are the industry’s […]
Synchronous rectification controllers come in six-pin package
STMicroelectronics’ SRK1000A and SRK1000B secondary-side synchronous-rectification (SR) controllers for flyback converters, featuring high efficiency and low power consumption, introduce a new, more affordable and smaller-footprint option for battery chargers, quick chargers, adapters, and USB power-delivery outlets. Designed for fast turn-on with minimum delay, and with innovative adaptive turn-off logic, the devices maximize synchronous-rectification MOSFET conduction time and […]
Controllers manage 8-W high-voltage converters
STMicroelectronics’ VIPer222 controller for high-voltage converters up to 8W brings small size, low cost, and versatility to applications such as home appliances, building-automation devices, smart lighting, and smart meters. With integrated features including an error amplifier, current-sensing MOSFET, and high-voltage startup circuitry, the VIPer222 can be used in a wide variety of popular converter topologies. These include […]
Standalone VBUS-power controller handles 5-V USB-C charging apps
The STUSB4500L from STMicroelectronics is a small-footprint addition to the Company’s USB-C controller IC family designed and certified for pure 5V sink-only applications. All mandatory features to use the USB-C connector as a 5V universal power plug are integrated, allowing designers to implement USB-C charging solutions quickly and easily without studying the standard or writing code. USB-C […]
Sync-rect controllers make for high-efficiency power adapters
The STMicroelectronics SRK1001 secondary-side synchronous-rectification controller introduces adaptive features that cut bill-of-materials costs, minimize circuit size, and simplify the design of power adapters, chargers, USB Power Delivery outlets, and lighting power supplies based on flyback topologies. Designed for fast turn-on with minimum delay, and introducing innovative adaptive turn-off logic, the SRK1001 maximizes synchronous-rectification MOSFET conduction time for […]
