Part Si1146
Description PROXIMITY/UV/AMBIENT LIGHT SENSOR
Manufacturer Silicon Labs
Size 812.22 KB
Silicon Labs

Si1146 Overview

Description

Valve controls - Smoke detectors - Touchless switches - Touchless sliders - Occupancy sensors - Consumer electronics - Industrial automation - Display backlighting control - Photo-interrupters The Si1145/46/47 is a low-power, reflectance-based, infra.

Key Features

  • Integrated infrared proximity detector
  • Integrated UV index sensor
  • Proximity detection adjustable from
  • Industry's lowest power consumption under 1 cm to over 50 cm
  • 1.71 to 3.6 V supply voltage
  • Three independent LED drivers
  • 9 µA average current (LED pulsed
  • 15 current settings from 5.6 mA to 25.6 µs every 800 ms at 180 mA 360 mA for each LED driver plus 3 µA Si114x supply)
  • 25.6 µs LED driver pulse width
  • < 500 nA standby current