Author Archives: steve bush

650V automotive-grade SiC mosfet launches ST’s Gen3

STMicroelectronics had debuted its third generation of silicon carbide mosfet with a 650V device aimed at electric-vehicle power-trains. Called SCT040H65G3AG, the part typically has a 40mΩ on-resistance and can carry 30A through its Kelvin source H2PAK-7 package (right). Regarding gen 3 “ST’s new SiC devices are specifically optimised for automotive applications including traction inverters, on-board chargers and dc-dc ...

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Supercapacitor electrodes made of organic material

Sweden’s Digital Cellulose Center is storing electricity on ‘electronic paper’ completely made of organic material. The ingredients are cellulose, conductive polymers and bio-based charcoal from coconuts, and the result is durable, electrically conductive and has a large surface area structure that can bind energy-storing materials. “Our goal is to use the paper material to build ...

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UK made: Register memory IP cuts SoC power for wearables

Sheffield memory design house SureCore is offering intellectual property to cut register file power consumption. Branded MiniMiser, its architecture is based on a customised storage element – rather than on the foundry bit cell – and exploits the company’s SRAM power saving techniques. Multi-port and high-performance variants can be generated. “MiniMiser gives developers a new way ...

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SiFive claims ‘fastest licensable RISC-V processor IP’ for its 11+SPECInt2006/GHz core

SiFive has created what “is expected to be the fastest licensable RISC-V processor IP core in the market”, when it emerges in 2022. Building on the earlier Performance P550 processor, company engineering estimates are that it will have 40% more performance per clock cycle  – to 11+SPECInt2006/GHz – and it has architecture enhancements improve maximum ...

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150kVA SiC power design is adaptable

Microchip has tied up with power component company Mersen to create a 150kVA silicon carbide three-phase evaluation design. “When power inverter designers can source a proven solution, they can avoid sourcing individual parts and reduce risk through reliability. Designers now have an all-in-one evaluation system,” said Microchip v-p of discretes Leon Gross. Called Power Stack, the ...

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Unusual take on user-interfacing for game controller

Latvian start-up Azeron took a unique approach when creating its Cyborg game controller, adding 24 or 29 programmable keys alongside joystick capability. Fingers get keys below, in front and above them, some get side buttons as well – so four or more buttons each – and the thumb has plenty of things to press and ...

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Embedded Studio gets 64bit Risc-V support

Segger has added support for 64bit Risc-V to Embedded Studio. Covering CPUs including RV64I, RV64E and RV64GC with a floating-point unit, it comes integrated with emRun C/C++ runtime and emFloat floating-point libraries, the Segger Linker and Compiler. The GNU compiler and linker are also included. “64bit embedded systems are gaining popularity with faster chips and ...

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Ac-dc chip for industrial auxiliary PSUs up to 21W

Power Integrations is aiming at appliance and industrial auxiliary PSUs up to 21W with a 725V off-line constant-voltage constant-current fly-back switching IC. Called InnoSwitch3-TN, “our new devices support the high output current needed in smart-connected appliances at efficiencies of up to 90%, compared to traditional approaches such as buck regulators,” said Power Integrations marketing manager Silvestro Fimiani. “InnoSwitch3-TN ...

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Arm-based industrial computers have real-time and application cores

SolidRun has announced system-on-modules built around Texas Instrument’s AM64x processor family with precise real-time processing and application processing for industrial IoT and industrial machinery applications. For application processing and running operating systems there is a dual core Arm Cortex-A53, then up to four Cortex-R5F cores for real-time computing, servo control and functional safety. On top of ...

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Onsemi aims mosfets at server and telecom PSUs

Onsemi is aiming at 80 Plus Titanium efficiency in server PSUs as well as telecoms with a 600V power mosfet family called 600V Superfet V. “80 Plus Titanium certification requires server and data storage hardware to deliver 90% power efficiency levels in 10% load conditions, and 96% efficiencies when dealing with 50% loads,” said company general manger ...

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