Murata Manufacturing has launched a high-sensitivity ultrasonic sensor that expands both near- and far-distance detection ranges and reduces resonant frequency and capacitance tolerance by 50% compared to conventional sensors, improving the accuracy and safety of emergency braking and automatic parking in automobiles.

Murata recently announced the development of the "MA48CF15-7N," a drip-proof ultrasonic sensor for ADAS (Advanced Driver Assistance Systems) capable of detecting distances between 15 and 550 cm. This product is currently in mass production.

Compared to the detection range of the existing product (MA55AF15 series) of 30 to 500 cm, this product has optimized the material and structural design to enable near and far detection of 15 to 550 cm, while reducing the tolerance of resonant frequency and electrostatic capacitance by 50% compared to the existing product.

In addition, by lowering the Q value of the sensor and standardizing the Q tolerance, the frequency bandwidth is kept constant, making it easy to support the pulse compression method IC that is widely used these days.

A Murata official stated, “We will continue to develop ultrasonic sensor products that meet market needs and contribute to the advancement of ADAS.”