Author Archives: steve bush

Shielded power inductors handle high current in automotive

Bourns has announced nine shielded power inductors, members of its SRP series. Designed for high current and low radiation in a small space, they feature a coil wound with either round or flat wire, completely press-moulded with an iron-based magnetic metal alloy powder core. “This type of construction delivers magnetic shielding, high current capability, compact ...

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Smart secure eval kit for for automotive data gateway

STMicroelectronics is aiming at automotive gateways that link car electronics to the cloud with an evaluation kit built around secured chips. Called SGP-TC-EVK ‘smart gateway platform’, potential use-cases include over-the-air (OTA) management, firewall, Ethernet packet inspection, secure CAN-to-CAN data routing, secure CAN-to-Ethernet data routing, body control management, intrusion detection and predictive maintenance. On-board M.2 and Mini PCIe ...

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Rechargeable cells for IoT

NGK Insulators has released further details of its EnerCera range of rechargeable batteries for IoT use. They include parts that can be refow soldered and others that can be hot laminated. There are two sorts: EnerCera Coin – coin cells 1 – 2mm thick for PCB mounting – some can be reflowed EnerCera Pouch – ...

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Toshiba’s Cortex-M MCU roadmap includes SONOS memory

Toshiba has revealed its Arm Cortex-M microcontroller plans, announcing 200MHz (254 DMIPS) 40nm parts “dissipating approximately 30% lower dynamic power compared to the existing* 65nm devices”, it said, and 130nm parts with SONOS memory. The family is split into two device classes: TXZxA+ (A for ‘advanced’) in 40nm with either an Arm Cortex-M3 or a Cortex-M4 with floating point unit (FPU). TXZxE+ (E for ‘entry’) ...

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SiC Schottky diode modules from Microchip

Microchip has introduced Schottky diode power modules in 700, 1200 and 1700V variants. They come in a choice of packaging and current ratings, as well as in various topologies including dual diode, full bridge, phase leg, dual common cathode and three-phase bridge. “The devices’ high avalanche performance allows system designers to reduce the need for snubber ...

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Six digit PINs are no better for security than four digits

Six-digit security PINs provide little more security than four-digit ones, according to research by a German-US team. It has everything to do with psychology. “Mathematically speaking, there is a huge difference, of course,” said Philipp Markert of Horst Görtz Institute for IT Security at Ruhr-Universität Bochum (photo left). “However, users prefer certain combinations:  some PINs are ...

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8th generation CoBs from Bridglux hit 185 lm/W

Bridgelux has announced its eighth generation of its chip-on-board products, delivering up to 185 lm/W from its V, Vero and Vero SE (pictured) Series families at nominal drive current – a 10% efficacy improvement over its previous product generations, it said. “This performance is benchmarked at the 3,000K 80CRI colour point. Efficacies above 200 lm/W ...

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GaN ac-dc chips cover 27W to 55W without heatsink

Power Integrations has back-filled its InnoSwitch3 range of ac-dc power supply chips with 750V GaN power transistors – it already uses GaN transistors at the higher-powered end of the range. “PowiGaN technology permits manufacture of 94% efficient power supplies suitable for regions with frequent brown-outs and line surges,” said the company. “This enables OEMs to ...

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Differential input Wi-Fi connected PC scopes reach 250MHz

Netherlands-based PC scope firm TiePie has introduced a Wi-Fi connected display-free oscilloscopes with differential inputs. It is the WiFiScope WS6 DIFF, which comes in three versions. The top end one, nominally 1Gsample/s has. 250MHz bandwidth 1Gsample/s, but see note* 8, 12, 14 or 16bit resolution 1Mpoint/channel data buffer (expandable to 256Msample/chan with XM option over USB) ...

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