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 […]
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Dual gate drivers simplify SiC and IGBT switching circuits
Two new dual-channel galvanically-isolated gate drivers for IGBTs and silicon-carbide (SiC) MOSFETs from STMicroelectronics save space and ease circuit design in high-voltage power-conversion and industrial applications. The STGAP2HD for IGBTs and STGAP2SICD for SiC MOSFETs leverage ST’s latest galvanic-isolation technology to provide 6kV transient-voltage capability in a SO-36W wide-body package. In addition, ±100V/ns dv/dt transient immunity prevents spurious turn-on […]
Three-phase half-bridge driver ICs control brushless motors for e bikes, power tools
STMicroelectronics has created an integrated three-phase half-bridge driver IC with performance optimized for low-voltage industrial applications up to 75V, delivering a space-efficient and power-saving solution to control three-phase brushless motors in e-bikes, power tools, pumps, fans, light machinery, gaming consoles, and other equipment. The STDRIVE101 embeds three half-bridge drivers for external N-Channel MOSFETs, each able to sink […]
Offline converter IC integrates PWM, control components
The latest addition to the VIPerPlus series, the VIPer31 compact high-voltage converter IC from STMicroelectronics enables robust power-converter solutions that deliver excellent reliability and meet energy-saving eco-design norms while saving bill-of-materials (BoM) costs. VIPer31 is optimized for commonly used offline AC/DC converter topologies, including isolated and non-isolated flyback, buck, and buck-boost converters. The compact, highly integrated IC requires […]
QML-V qualified 7-A PoL dc/dc converter is rad hardened
STMicroelectronics has added a QML-V qualified 7A Point-of-Load (PoL) DC/DC converter to its growing portfolio of radiation-hardened (rad-hard) integrated power products that deliver high power efficiency to satisfy the most demanding space applications. The RHRPMPOL01 is a complete PoL converter, including N-channel power MOSFET and bootstrap diode, with under-voltage, over-voltage, over-temperature, and adjustable over-current protection in a […]
Silicon half-bridge driver ganged with GaN transistors for faster charging
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 […]
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 […]
