Circular Ring 2 Sensors Exploratory Analysis
2 Min Read May 28, 2026
Circular Ring 2 analysis highlights PPG sensor structure, detailing photodiode and LED design with supporting SEM and teardown imaging.

This report presents an exploratory Device Essentials analysis of the Circular Ring 2. The report provides a quick look at the structure and select features of a PPG sensor (light-receiving photodiode, PD, and light-emitting diodes, LED) from the Circular Ring 2. It is accompanied by a set of SEM cross-section images, along with optical images of the die and package, and product teardown images.
This summary outlines the analysis* found on the TechInsights' Platform.
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