PAA5100JE-Q: Optical Tracking Chip

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General Description

The PAA5100JE-Q is PixArt Imaging’s latest optical navigation chip designed to enable navigation with working range of 15 mm to 35 mm over various surfaces. It is housed in a 28-pin land-grid-array (LGA) package that provides X-Y motion information. Aided by external illumination, it is most suitable for motion and surface detection in robot application.

Key Features

  • Working range of 15 to 35 mm
  • No lens focusing required during lens mounting process
  • Power consumption of 6 mA typical @ run mode (chip only)
  • 16-bits motion data registers
  • Motion detect pin output
  • Internal oscillator – no clock input needed


  • Devices that require near field motion detection, e.g. Robot Cleaners


Figure 1: Reference Schematic Network

Farees Ahmed

The aim of this blog is to serve as a quick reference guide for the Curious. Appreciate your feedback and comments !