Sony ISP from IMX591, 10.1μm Pixel Pitch, 0.01MP, Stacked Back-Illuminated Direct-Time of Flight (d-ToF) SPAD Sensor Advanced Floorplan Analysis
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The Sony IMX591 is a Time-of-Flight (ToF) sensor used in the LiDAR scanner of the iPhone 15 Pro and Pro Max. The sensor has a resolution of 0.01 megapixels and a pixel pitch of 10.1 microns. The IMX591 die incorporates inverted pyramid structures on the rear side of the CIS active Si, as well as tungsten (W)-filled full depth back deep trench isolation (B-DTI) and composite metal grid (CMG). The Sony IMX591 sensor outperforms the capabilities of the IMX590 sensor employed in the previous iteration. In this Image Signal Processor (ISP) advanced floorplan analysis, we have delved into and conducted a detailed technical analysis of the IMX591, unraveling its technology generation and structure.