New optical sensors for turn and push, absolute and incremental encoding

Vishay Intertechnology has two new AEC-Q101 qualified transmissive optical sensors for automotive and industrial applications. Offered in a compact 5.5mm x 5.85mm x 7mm package, the TCUT1630X01 and TCUT1800X01 are claimed to be the industry's first three and four-channel transmissive sensors, respectively. The triple-channel TCUT1630X01 comprises an infrared emitter and three phototransistor detectors placed face to face in a surface-mount package. With a taller dome than previous-generation devices and an extra channel for a vertical push function or indexing tab, the device is excellent for turn and push encoding. The quad-channel TCUT1800X01 comprises two infrared emitters and four phototransistor detectors and can detect up to 16 positions for absolute and incremental encoding. Both sensors detect motion, speed, and direction. They can be employed as position sensors for encoders in high-temperature automotive environments close to motors. They can also be used to turn ignition locks, interior knobs, adaptive headlights, and EPS systems. In industrial applications, the devices are perfect for monitoring gas or water meters and detecting the status of panels, doors and inserted coins or credit cards.