• Part: Si1146-M01
  • Description: PROXIMITY/UV/AMBIENT LIGHT SENSOR MODULE
  • Manufacturer: Silicon Labs
  • Size: 1.26 MB
Si1146-M01 Datasheet (PDF) Download
Silicon Labs
Si1146-M01

Description

Portable consumer electronics - Touchless switches - Touchless sliders - Consumer electronics - Display backlighting control The Si1145/46/47-M01 is a low-power, reflectance-based, proximity, UV Index and ambient light module with integrated single IR LED, two additional LED driver outputs, I2C digital interface, and programmable-event interrupt output.

Key Features

  • Integrated infrared proximity detector
  • Accurate lux measurements with IR
  • Proximity detection adjustable from correction algorithm under 1 cm to over 50 cm
  • Industry's lowest power consumption
  • Three independent LED drivers
  • 1.71 to 3.6 V supply voltage
  • 15 current settings from 5.6 mA to
  • 9 µA average current (LED pulsed 360 mA for each LED driver 25.6 µs every 800 ms at 180 mA
  • 50 cm proximity range with single supply) pulse (<3 klx)
  • < 500 nA standby current

Applications

  • Heart rate monitoring