STMicroelectronics has extended its high-voltage wide-bandgap power converter family by adding the VIPerGaN100 and VIPerGaN65 for single-switch quasi-resonant (QR) flyback converters up to 100W and 65W. The compact and highly integrated design targets switched-mode power supplies (SMPS) for USB-PD chargers, home appliances, smart-building controllers, lighting, air conditioning, smart metering, and other industrial applications. Each device integrates a pulse-width […]
stmicroelectronics
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 […]
High-side gate drivers keep vehicles driving
STMicroelectronics has released single-, double-, and four-channel automotive high-side gate drivers in a common PowerSSO-16 package style, with pin assignments that simplify scaling circuit designs to add more driver channels. The gate drivers target applications throughout the vehicle, including safety, comfort, powertrain, body electronics, infotainment, and driver assistance systems. Meeting the automotive industry’s LV124 test schedule for […]
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 supports 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 […]
Automotive-grade devices available in tiny 32.7 mm x 22.5 mm package
STMicroelectronics has introduced five power-semiconductor bridges in popular configurations, housed in ST’s advanced ACEPACK SMIT package that eases assembly and enhances power density over conventional TO-style packages. Engineers can choose from two STPOWER 650V MOSFET half bridges, a 600V ultrafast diode bridge, a 1200V half-controlled full-wave rectifier, and a 1200V thyristor-controlled bridge leg. All devices meet […]
Audio power amps designed for automotive applications with power levels up to 10 W
STMicroelectronics’ FDA803S and FDA903S are the newest single-channel fully differential 10W Class-D audio power amplifiers in the STMicroelectronics FDA (fully digital amplifier) family. They are designed for automotive applications like eCall, telematics, and wherever an audio channel needs to reproduce human voice, music, or warning messages at a standard output power level of up to 10W. The […]
100-W power IC recharges large-battery-capacity smartphones in <30 minutes
ST’s new STWLC99 device can recharge high-end smartphones with the largest battery capacity in less than 30 minutes. In addition to enhancing user convenience, high-power wireless charging lets designers create industrial products that are free of power sockets and cords, which can deliver various advantages. Eliminating the charging socket can save space and allow sealing against […]
Synchronous buck controller features large step-down ratio
With compact dimensions and an input-voltage range from 6V to 75V, STMicroelectronics’ L3751 synchronous buck controller serves different applications from industrial equipment to battery-powered light electric vehicles. The 3.5mm x 4.5mm controller is also suited to use in telecom and networking equipment that feature commonly used 24V and 48V buses. Having a minimum on-time duration […]
Alternator regulator enhanced features ensure stability of 12-V vehicle electrical systems
STMicroelectronics has introduced the L9918 automotive alternator regulator, with enhanced features to ensure the stability of 12V vehicle electrical systems. The regulator contains a MOSFET to deliver an alternator excitation current and a freewheeling diode to handle the rotor current when excitation is turned off. Closed-loop operation with load response control (LRC) and return […]