ROHM Unveils Breakthrough RPR-0720: The Tiny Proximity Sensor Powering Wearable Tech

Published  September 28, 2023   0
S Staff
RPR-0720 Proximity Sensor

ROHM has introduced the RPR-0720, a cutting-edge compact proximity sensor measuring just 2.0mm x 1.0mm, designed to revolutionize the functionality and miniaturization of wearable devices and IoT applications. In response to the increasing demand for small yet powerful proximity sensors in wearable technology, the RPR-0720 integrates a VCSEL (Vertical-Cavity Surface-Emitting Laser) as the light emitter and a sensor IC as the light receiver. This ingenious combination results in a reduction of the sensor's size by a remarkable 78% compared to conventional products.

One of the standout features of the RPR-0720 is its wide input voltage range, spanning from 2.7V to 4.5V, which eliminates the need for a peripheral voltage booster circuit when used with a Li-ion battery. This space-saving design not only contributes to greater miniaturization but also allows for increased battery capacity, crucial for power-hungry wearable devices. This proximity sensor is versatile and suitable for various applications, from detecting attachment/detachment in wireless earbuds and smartwatches to paper detection in office automation devices and even e-cigarette cartridge/liquid detection. ROHM's commitment to developing innovative sensing products showcases their dedication to enhancing energy efficiency and convenience in IoT and wearable technology.

In summary, ROHM's RPR-0720 proximity sensor represents a significant advancement in sensor technology, addressing the need for smaller, more efficient sensors in the fast-growing fields of IoT and wearable devices. Its compact size, wide input voltage range, and broad range of applications make it a valuable addition to the ever-expanding world of smart and connected devices.