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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1,100W peak from a eighth brick converter

Flex Power Modules has created an eighth brick intermediate bus dc-dc converter series that can deliver 600 to 800W continuously along with up to 1,100W for up to a second. The high peak is for running CPUs such as Intel’s Ice Lakein datacom and data center applications. Called BMR492, it “delivers a power level that was ...

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ST cracks $10bn

ST had Q4 net revenues of  $3.24 billion; a gross margin of 38.8%; an operating margin of  20.3% and net income of $582 million. Full year  net revenues were  $10.22 billion; gross margin was  37.1%; operating margin was 12.9%; net income was  $1.11 billion. The forecast for Q1 is for net revenues of $2.93 billion ...

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Apple astounds the market

Apple shipped 90 million phones in Q4 taking 23.4% market share and the No.1 slot in unit shipments while taking in revenues of $111.4 billion for a profit of $28.7 billion which was 29% higher than Q4 2019. 23.4%  represents the highest shipment volume from a vendor in a single quarter and represents 22.2% year-over-year ...

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Buck-boost battery charging controller has MPPT

ADI has introduced a buck-boost battery charging controller that features Maximum Power Point Tracking (MPPT), temperature compensation and I2C interface for telemetry and control. The device operates from input voltages above, below or equal to the regulated battery float voltage. The LT8491 offers three selectable Constant Current Constant Voltage (CC-CV) charging profiles, making it ideal ...

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Danisense RCM monitors residual currents without fast shutdown

Danisense has launched its  RCMH070IB+ Residual Current Monitor (RCM) which issuitable for monitoring the residual currents in electrical power systems without the need for fast system shutdown. The RCM can measure DC and AC residual currents from 30mA to 2Arms at frequencies of up to 100kHz, suiting it to a wide range of industrial applications, loads ...

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JAXA turns from gold to metal mesh for deployable reflectors

The Japan Aerospace Exploration Agency (JAXA) has developed a metal mesh for onboard deployable reflectors in space, replacing the need for using precious and rare metal. It was jointly developed by JAXA along with the companies Taiyo Wire Cloth, NGK Insulators, Technosolver and Koyo Materica, and achieves a dramatic cut in costs. The agency writes: ...

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Efficient 10:1 DC input range converter

Murata has a 300W chassis mount ultra-wide 10:1 DC input range converter with patented inrush current control topology and high efficiency >92%. The IRV300 is a fit-and-forget module designed for harsh operating environments in railway and industrial applications. It conforms to EN50155, EN50121, and EN45545, and has an operating ambient temperature range of -40°C to ...

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Versatile SoM

The Kontron SOM-BL STM32MP157, now available from Riverview Display Systems (RDS), is suitable  for developers and makers who can use it for a variety of projects, for proof of concept or prototyping. The System-on-Module (SoM) has enough processing power for complex visualisation tasks, a variety of peripheral interfaces and all the drivers required for communication ...

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