Joining STMicroelectronics’ STGAP family of isolated gate drivers, the STGAP2SiCS is optimized for safe control of silicon carbide (SiC) MOSFETs and operates from a high-voltage rail up to 1200V. Capable of producing a gate-driving voltage up to 26V, the STGAP2SiCS has a raised Under-Voltage Lockout (UVLO) threshold of 15.5V to meet the turn-on requirements of SiC […]
stmicroeletronics
High-voltage bi-directional current-sense amplifiers boost power efficiency
STMicroelectronics has introduced three precision high-voltage bi-directional current-sense amplifiers that provide the extra convenience of a Shutdown pin to maximize energy savings. The TSC2010, TSC2011, and TSC2012 amplifiers also allow designers to minimize power dissipation by leveraging their precision characteristics to select low sense-resistor values. The offset voltage is within ±200µV at 25°C, with less than 5µV/°C drift, […]
USB Type-C power delivery 3.0 reference design features PPS support
STMicroelectronics has revealed a USB Type-C Power Delivery 3.0 reference design with Programmable Power Supply (PPS) support to accelerate the design of easy-to-use, compact, and efficient power adapters up to 27W with the zero-power operation when no cable is connected. USB PPS helps to save power, and reduce device-charging times and heat dissipation, contributing also to cut […]
Energy-meter eval board combines low-cost sensors and galvanic isolation
A new evaluation board from STMicroelectronics speeds design of 3-phase AC Watt meters that meet the most stringent international quality and accuracy standards using low-cost, electromagnetic-immune shunt sensors and advanced galvanic-isolation technology for superior reliability and robustness. The EVALSTPM-3PHISO evaluation board combines the high-accuracy STPMS2 metering front-end IC and the advanced STISO621 digital isolator, with customizable turn-key firmware […]
SiPs combine two GaN HEMTs, high-voltage gate drivers
Building upon the advantages of STMicroelectronics’ MasterGaN platform, MasterGaN2 is the first in the new family to contain two asymmetric gallium-nitride (GaN) transistors, delivering an integrated GaN solution suited to soft-switching and active-rectification converter topologies. The 650V normally-off GaN transistors have on-resistance (RDS(on)) of 150mΩ and 225mΩ. Each is combined with an optimized gate driver, making GaN […]
High-temperature snubberless triacs reduce heat sink needs
STMicroelectronics’ 800V 8H Triacs operate at full rated current up to the maximum junction temperature of 150°C, allowing heatsinks in drives for AC loads to be up to 50% smaller to combine compact dimensions with high reliability. Suited to industrial, personal care, smart-home, and smart-building applications, the new Triacs leverage ST’s latest Snubberless high-temperature technology […]
Synchronous dc/dc buck converter optimized for noise-sensitive apps
The STMicroelectronics L7983 is a compact, 3V-60V, 300mA synchronous DC/DC buck converter with flexible, dynamic-mode selection to satisfy noise-sensitive applications and maximize efficiency at light load. Special ST innovations engineered into the L7983 allow control of the low-side power MOSFET to provide a low-noise mode (LNM) with constant switching frequency and an alternative low-consumption mode (LCM). In LCM, […]
50-W Qi wireless-charging IC speeds consumer electronics recharging
STMicroelectronics has introduced the world’s fastest Qi wireless charging IC, STWLC88. Delivering as much as 50W of power, the new device enables consumers to charge smartphones, tablets, laptops, and other personal electronic devices without cables as safely and nearly as quickly and efficiently as they could by plugging them in. ST’s state-of-the-art 50W wireless-power IC charges smartphones two […]
High-voltage gate driver with 6-kV galvanic isolation comes in compact package
STMicroelectronics’ STGAP2HS is a compact, high-voltage gate driver for applications that require up to 6kV galvanic isolation between the gate-driving channel and the low-voltage control and interface circuitry. The 1200V device can sink and source up to 4A output current to simplify the design and enhance the reliability of mid- and high-power converters, power supplies, and inverters […]
Plug-and-play boards control 3-phase BDCMs powered from Li-ion batteries
STMicroelectronics has introduced two new plug-and-play boards for controlling 3-phase brushless motors powered by up to 56V Li-ion batteries. Based on ST’s highly integrated STSPIN32 motor-control Systems-in-Package, the STEVAL-PTOOL1V1 and STEVAL-PTOOL2V1 evaluation boards fulfill key requirements of power tools including small dimensions and low standby current. Firmware is supplied for six-step motor commutation using Hall-effect rotor-position sensing, which […]
