{{tag>collection_az vendor_worldsemi year_unknown type_power type_power/led foundry_unknown tech_unknown}}

Worldsemi WS2811 LED controller, found inside a WS2812 RGB LED+controller. Looks like 500nm 1-metal planarized CMOS.

====== Package ======

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====== Die ======

Size is approximately 940 x 710 μm (0.67 mm<sup>2</sup>)

Overview

{{:azonenberg:worldsemi:ws2812_ctrl_01_bf_neo10x_annotated.jpg?600|}}

Closeup, focal plane on metal

{{:azonenberg:worldsemi:ws2812_ctrl_02_bf_neo40x_annotated.jpg?600|}}

Closeup, focal plane on poly

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