Multilayer varistors target the smart home

Surface-mount, multilayer varistors from TDK Epcos are now available from TTI. The CeraDiode and CTVS multilayer varistors (MLVs) are designed for smart home applications and security devices. According to the company, the MLVs’ surge current ratings are comparable to those of disk varistors, making them suitable for use as alternatives to transient voltage suppression (TVS) diodes, yet with ...

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IoT wireless MCUs major on security for Bluetooth, Zigbee and Thread

Silicon Labs has added a second generation of wireless Gecko processors, with baked in security hardware. Called Wireless Gecko platform, Series 2, the products are based around Arm’s Cortex-M33, in 80MHz form, that includes TrustZone virtualisation hardware to separate secure and non-secure software. “Series 2 improves multiple design elements, including wireless performance, software reuse, RF communication reliability ...

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Voila! Digi-Key adds wireless connectivity

Developers and makers can take an existing microcontroller application that does not have wireless connectivity and, using just two GPIO pins, add it without modifying the original firmware, via IoTize‘s TapNLink products for Bluetooth and near field communications (NFC) products. The French start up company has signed a distribution agreement with Digi-Key to resell the wireless ...

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ST combines accelerometer and accurate thermometer

ST has combined a 3-axis MEMS accelerometer and a temperature sensor on a single die Called LIS2DTW12, the sensor is aimed at space-constrained and battery-constrained applications as shipping trackers, wearables, and IoT endpoints. Temperature accuracy is 0.8°C, according to the firm’s product announcement, although its helpful application page adds a caveat: “….a typical accuracy of ±0.8°C between ...

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China Arm-based server chip company to close

China’s attempt to make Arm-based server processors is being closed down. Huaxintong Semiconductor is a three year-old jv between Qualcomm and the Guizhou Province of China. Huaxintong was set up to pursue Arm-based server chips. Qualcomm owned 45% of the jv and Guizhou province 55%. According to The Information, Qualcomm and Guizhou had invested $570 ...

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Amphenol to launch quick-turn configuration tool

Amphenol is to launch an online quick-turn cable configuration tool called QuickBuild RF. QuickBuild RF will allow customers to configure cable assemblies from a wide assortment of radio frequency (RF) connectors and standard cables at any length, delivered in less than one week with no minimum order quantity. QuickBuild RF will use  Amphenol RF connectors. ...

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Server shipments to grow 3.9%

Server shipment growth will be 3.9% this year, says DRAMeXchange. Although enterprise servers are still the largest shipment group, servers for datacentres have grown from 35% of the total market in 2018 to 40% now.   US suppliers accounted for over 30% of the market. China’s top cloud service providers will drop by about 15% YoY ...

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