CH201 ToF sensor operates at up to 5m

TDK has extended its ultrasonic time of flight (ToF) sensor platform, with the Chirp CH201 sensor range which includes CH201 MEMS sensors, sensor modules, and developer kits.

The CH201 MEMS sensor, sensor modules, and developer kits joins Chirp’s original CH101 ultrasonic ToF sensor product. While the CH101 provides measurements for use cases scenarios of up to 1.2m, the CH201 provides exact long range measurements to targets at distances up to 5m, says TDK.

Chirp’s MEMS ultrasonic technologies leverage proprietary ToF range sensors in a 3.5 mm x 3.5 mm reflowable system in package (SiP) which combines a MEMS ultrasonic transducer with a power efficient digital signal processor (DSP) on a low power, mixed-signal ASIC.

The CH201 works in any lighting condition, including full sunlight to complete darkness independent of the target’s colour and optical transparency. Like the CH101, the CH201 has a configurable field of view (FoV) and a flexible DSP capable of handling a variety of ultrasonic signal processing algorithms.

The CH201 offers flexible industrial design options for range-finding, presence / proximity sensing and object-detection / avoidance.

A developer kit is also available (DK-CH201) for prototyping with one or more ToF sensors. The kit includes one CH201 with the option to add up to four additional ultrasonic modules.

An evaluation module (EV_MOD_CH201-03-01) is easy to use and designed for rapid integration and evaluation of hardware designs, says TDK. Different acoustic housings available to adjust the FoV.

Sensors, developer kits and evaluation modules are available now through worldwide distribution.

TDK is based in Tokyo, Japan. It was established in 1935 to commercialise ferrite, a key material in electronic and magnetic products. TDK’s portfolio features passive components such as ceramic, aluminium electrolytic and film capacitors, as well as magnetics, high-frequency, and piezo and protection devices, as well as sensors and sensor systems such as temperature and pressure, magnetic, and MEMS sensors. In addition, TDK provides power supplies and energy devices and magnetic heads. Products are marketed under the brands TDK, Epcos, InvenSense, Micronas, Tronics and TDK-Lambda.

TDK focuses on demanding markets in automotive, industrial and consumer electronics, and information and communication technology. The company has a network of design and manufacturing locations and sales offices in Asia, Europe, and in North and South America.

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