CambridgeIC has today released the CAM312, a chip for measuring the position of parts inside machines that offers outstanding performance measuring moving parts in tough environments.

The CAM312 builds on CambridgeIC’s existing family of position measuring ICs, used in a wide range of applications for nearly a decade. These are a highly effective alternative to traditional position sensing approaches such as optical encoders or Hall encoders. CambridgeIC offers the performance of an optical sensor without the fragility, and the convenience of a Hall sensor in geometries where Hall sensors are not usable.

CAM312 position sensing IC

The chip connects to resonant inductive sensors built from PCBs, which not only improves robustness but also simplifies mechanical design and manufacture. Using a contactless target on the moving part, both linear and rotary (angular) positions can be measured, cost effectively and with high precision.

The latest generation of IC provides excellent responsiveness, with up to 2000 position samples per second, 200us Group Delay and a fast SPI interface. This rate of measurement allows for refined and repeatable control of fast moving parts in machines, even in harsh environmental situations. An automotive variant is available for operation up to 150°C.

By taking inputs from two simple sensors, the CAM312 also bears down on costs and complexity in designs, and allows multi-axis measurement of critical parts.

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Applications will be in industrial valves, robotics and automotive applications. These require precision, no wear, stability over temperature, immunity to dirt and contamination, and tolerance of large gaps and misalignment between target and sensor.

For more information (and to obtain a data sheet) visit the CAM312 page. Or visit MEV’s stand at SPS (Hall 1, booth 651).


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13 November 2018

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Founded in 2007, CambridgeIC has developed single chip processors and a set of standard sensor designs and integration tools. These help customers embed resonant inductive sensing inside their products, by drawing on modular and well proven components.


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