Novel automotive buck-boost dc-dc operates down to Iq=8uA

Aiming at automotive, Rohm has introduced a buck-boost dc-dc chipset, claimed to provide the lowest current consumption with good transient response for ECUs (electronic control units) for cluster panels and gateways used in start-stop vehicles. Unusually, one of the chips (BD8P250MUF-C) is a buck converter, and the other (BD90302NUF-C below right) is a totem pole ...

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Sigfox adds a basestation and geolocation

IoT comms firm Sigfox has launched Access Station Micro, a weather-resistant Basestation and gateway for the low-power long-range IoT communication system. It includes an integrated antenna and power-over-Ethernet capability. “It can be installed within minutes and connect to Sigfox’s Cloud via existing Internet access or cellular networks,” said the organisation, which is aiming the unit for ...

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Blockchain tackles fog

Leti’s sensiNact IoT middleware will be the core of a platform under development in an EU-Korean project that will empower decentralised AI applications at the edge. Decentralisation from the cloud to the edge is a key challenge of AI technologies applied to large heterogeneous systems, including ensuring timely and effective responses that are critical (e.g. ...

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Temperature sensor has ±0.1°C accuracy

TI has introduced a temperature sensor family that offers ±0.1°C accuracy across a wide temperature range and helps simplify system design for industrial and medical applications. The TMP117 is the first single-chip temperature sensor to offer similar performance to platinum resistance temperature detectors (RTDs) while reducing design complexity and power consumption. For medical applications, the ...

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Resistor modules for hi-rel applications

Pickering Interfaces of Clacton-on-Sea has launched a family of  programmable resistor modules with 2.5W, 5W or 10W power handling capability at 100V or as limited by power. Models 40-251/2/3 target applications that require accurate medium-power programmable resistance such as a programmable load for the testing of  ECUs and fuel level sensing. These ECUs are commonly ...

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