STMicroelectronics’ STGAP3S family of gate drivers for silicon-carbide (SiC) and IGBT power switches combines ST’s latest robust galvanic isolation technology with optimized desaturation protection and flexible Miller-clamp architecture. Featuring reinforced capacitive galvanic isolation between the gate-driving channel and the low-voltage control and interface circuitry, the STGAP3S withstands 9.6kV transient isolation voltage (VIOTM) with 200V/ns common-mode […]
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Circuit breaker communicates with a host over SPI, collects data
STMicroelectronics has commenced production of automotive high-side power switches with proprietary intelligent fuse protection and a serial peripheral interface (SPI) for diagnostic data, permitting enhanced resilience and functional safety. The quad-channel VNF9Q20F is the first in a new family of monolithically integrated devices that combine ST’s advanced VIPower M0-9 MOSFET and proprietary STi2Fuse technology. Based on patented I2t […]
Wireless charging eval board delivers 50 W
STMicroelectronics has introduced a 50W, Qi-compatible transmitter and receiver combination to accelerate the development of wireless charging for high-power applications such as medical and industrial equipment, home appliances, and computer peripherals. Using ST’s new wireless charging solution, innovators can leverage the convenience and speed of wireless charging in applications that demand a higher power and […]
Space-saving dc-dc converters added to automotive convert portfolio
STMicroelectronics has introduced new automotive-qualified step-down synchronous DC/DC converters that save space and ease integration in applications including body electronics, audio systems, and inverter gate drivers. The A6983 converters offer flexible design choices, comprising six non-isolated step-down converters in low-consumption and low-noise configurations and the A6983I isolated buck converter. With compensation circuitry on-chip, these highly […]
Gate driver offers programmable control and monitoring for automotive applications
The L99H92 automotive gate driver from STMicroelectronics provides an SPI port for programming and diagnostics, a charge pump, protective features, and two additional current-sense amplifiers for system monitoring. Containing two high-side and two low-side drivers, the L99H92 can control a single H bridge powering one bidirectional DC motor or two half bridges for two unidirectional […]
100 V Trench Schottky diodes boost efficiency in high-frequency power converters
STMicroelectronics has introduced 100V trench Schottky rectifier diodes that boost efficiency in power converters operated at high switching frequencies. Raising power-converter operating frequency, encouraged by the minimal switching losses of technologies like wide-bandgap semiconductors, allows designers to set new benchmarks in power density. However, at elevated frequencies, the energy losses in conventional planar diodes, including […]
APEC 2024: Power to the data center
Data centers power the world, or does the world power data centers? According to one report, datacenters currently consume 2% of the world’s electricity and that could increase to 8% by 2030. Much of that electricity arrives at the load as low voltage, high current. For example, a single IC, processor, graphics processor, AI chip, […]
Half-bridge HEMT GaN devices simplify power-supply designs
STMicroelectronics’ MasterGaN1L and MasterGaN4L introduce the next generation of integrated gallium-nitride (GaN) bridge devices that simplify power-supply design leveraging wide-bandgap technology to achieve the latest ecodesign targets. ST’s MasterGaN family combines 650V GaN high electron-mobility transistors (HEMT) with optimized gate drivers, system protection, and an integrated bootstrap diode that helps power the device at startup. Integrating these features saves […]
FD and LIN buses enhance automotive power management IC
STMicroelectronics’ SPSB081 automotive power-management IC is a Swiss Army Knife of features including a main fixed-voltage low-dropout regulator (LDO), a secondary programmable LDO, four high-side drivers, a CAN FD transceiver[1], and an optional LIN transceiver[2]. The ICs provide multiple standby modes with very low quiescent current and programmable local or remote wake-up to help minimize power consumption. […]
GaN driver sinks and sources up to 3A gate current to connected transistor
STMicroelectronics’ first galvanically isolated gate driver for gallium-nitride (GaN) transistors, the STGAP2GS, trims dimensions, and bill-of-materials costs in applications that demand superior wide-bandgap efficiency with robust safety and electrical protection. The single-channel driver can be connected to a high-voltage rail up to 1200V, or 1700V with the STGAP2GSN narrow-body version, and provides gate-driving voltage up […]
