Author Archives: steve bush

Eddy current automotive position sensor commutates motors without needing magnets

Renesas is claiming “total stray field immunity” for a automotive-grade magnet-free inductive rotation position sensor that works up to what the company describes as “600,000rpm (electrical)”. “We are excited with the response to the inductive position sensing technology we introduced last June for industrial motors, and we look forward to bringing its advantages to automotive ...

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Osram aims at outdoor lighting with 2424 chip-scale LED

Osram has put a 2.1 x 2.1mm die into a 2.4 x 2.4 x 0.6mm package to create an LED for outdoor lighting. Called Osconiq C 2424, “because the package and chip have approximately the same dimensions, it is considered a chip-scale package. This allows the individual LEDs in the luminaire to be placed close ...

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Charcroft extends board after acquisitions

Vicky Mellor has joined Charcroft as a director of Powys distributor and manufacturer Charcroft. “This is an exciting time to join Charcroft Electronics,” said Mellor. “Despite the challenges posed by Covid, Charcroft has continued to flourish. With the recent acquisition of ICW and growing market share in existing sectors, I am looking forward to becoming ...

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STMicroelectronics joins Zeta Alliance for access to its LPWAN

STMicroelectronics has joined the Zeta Alliance, which promotes the Zeta low-power wide area network (LPWAN). Zeta is a competitor to LoRa, Sigfox and NB-IoT, and came out of Shanghai-based ZiFiSense. “ST is actively engaged with the industry bodies for all leading LPWAN standards for IoT connectivity and offers a portfolio of solutions,” according to ST. “Zeta ...

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Nitrogen doping helps make a stable anode for sodium ion batteries

Sodium-ion technology would be a cheaper alternative to lithium-ions for batteries, if only its propensity to self-destruct could be tamed. Advances are being made in small steps, the latest of which is an anode material from the Korea Maritime and Ocean University which has kept working through 11,000 charge-discharge cycles at 100A per gram. One ...

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U-blox shrinks cellular plus GNSS module

U-blox has combined LPWA (low-power wide-area) connectivity and GNSS (satellite navigation) into a single 14 x 14 x 1.5mm package – half the size of the company’s functionally-similar Sara-R5 module (16 x 26 x 2.2mm). Called Alex-R5, it is based on u-blox’ secured UBX-R5 LTE-M and NB-IoT, plus its M8 GNSS chip. “By bringing all ...

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Food safe entry plates for enclosures

Icotek KEL-DPZ-HD cable entry plates have been specially developed for the use in the food and pharmaceutical industries. “Working within the hygienic design [EHEDG] guidelines, Icotek have taken great care to make the surface very smooth, avoiding any dirt-collecting recesses on the visible side. The outer contour radius of 6mm, rather than the required minimum of 3mm, ...

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Dual low-side gate drive delivers 20V and 10A

Infineon is aiming at power factor correction and synchronous rectification with a 24V 10A dual channel low-side gate driver for mosfets and IGBTs. Called 2ED24427N01F, it provides symmetrical source and sink capability with 450mΩ (max) source and sink on-resistance per channel and 55ns propagation delay. The package is a 5 x 6mm DSO-8 with a solder-down ...

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2.6kW hydrogen fuel cell extends drone range

Hydrogen fuel cells are now an option for powering drones from Doosan Mobility Innovation. With two hours of flight time, according to power supply maker Vicor, such drones have already transported masks and emergency supplies between US Virgin Islands, and have delivered medical devices to the 6,388 ft top of the tallest mountain in South Korea, ...

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Renesas looks to improve AI processing with Cortex-A55 MCU

Improving AI processing in 64bit general purpose MCUs is the aim Renesas with three new members of its RZ/G2 MCU family. The entry-level models are built around the Arm Cortex-A55 core. According to Renesas, the Cortex-A55 CPU core delivers approximately 20% improved processing performance compared with the earlier Cortex-A53 core, and is approximately six times ...

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