Product Information

SI1146-A10-GMR

SI1146-A10-GMR electronic component of Silicon Labs

Datasheet
Proximity Sensors I2C UV Index and Proximity/Ambient Light Sensor with 2 LED Drivers
Manufacturer: Silicon Labs
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 2.8555 ea
Line Total: USD 2.86

1110 - Global Stock
Ships to you between
Fri. 17 May to Thu. 23 May
MOQ: 1  Multiples: 1
Pack Size: 1

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1110 - WHS 1


Ships to you between Fri. 17 May to Thu. 23 May

MOQ : 1
Multiples : 1

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SI1146-A10-GMR
Silicon Labs

1 : USD 2.9697

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Additional Infomation About Product

Si1145/46/47 2 PROXIMITY/UV/AMBIENT LIGHT SENSOR IC WITH I C INTERFACE Features Pin Assignments 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 A average current (LED pulsed 15 current settings from 5.6 mA to 25.6 s every 800 ms at 180 mA 360 mA for each LED driver plus 3 A Si114x supply) 25.6 s LED driver pulse width < 500 nA standby current 50 cm proximity range with single Internal and external wake support pulse (<3 klx) Built-in voltage supply monitor and 15 cm proximity range with single power-on reset controller pulse (>3 klx) 25.6 s LED on time keeps total Operates at up to 128 klx (direct power consumption duty cycle low sunlight) without compromising performance High reflectance sensitivity or noise immunity 2 2 < 1 W/cm I C Serial communications High EMI immunity without shielded Up to 3.4 Mbps data rate packaging Slave mode hardware address Integrated ambient light sensor decoding 100 mlx resolution possible, Small-outline 10-lead 2x2 mm QFN allowing operation under dark glass Temperature Range 1 to 128 klx dynamic range possible 40 to +85 C across two ADC range settings Accurate lux measurements with IR correction algorithm Applications Handsets Valve controls E-book readers Smoke detectors Notebooks/Netbooks Touchless switches Portable consumer electronics Touchless sliders Audio products Occupancy sensors Security panels Consumer electronics Tamper detection circuits Industrial automation Dispensers Display backlighting control Photo-interrupters Description The Si1145/46/47 is a low-power, reflectance-based, infrared proximity, ultraviolet 2 (UV) index, and ambient light sensor with I C digital interface and programmable- event interrupt output. This touchless sensor IC includes an analog-to-digital converter, integrated high-sensitivity visible and infrared photodiodes, digital signal processor, and one, two, or three integrated infrared LED drivers with fifteen selectable drive levels. The Si1145/46/47 offers excellent performance under a wide dynamic range and a variety of light sources including direct sunlight. The Si1145/46/ 47 can also work under dark glass covers. The photodiode response and associated digital conversion circuitry provide excellent immunity to artificial light flicker noise and natural light flutter noise. With two or more LEDs, the Si1146/47 is capable of supporting multiple-axis proximity motion detection. The Si1145/46/47 devices are provided in a 10-lead 2x2 mm QFN package and are capable of operation from 1.71 to 3.6 V over the 40 to +85 C temperature range. Rev. 1.4 4/20 Copyright 2020 by Silicon Laboratories Si1145/46/47 Not Recommended for New Designs Si1145/46/47 Functional Block Diagram Figure 1. Si1145 Basic Application Figure 2. Si1147 Application with Three LEDs and Separate LED Power Supply Note: For more application examples, refer to AN498: irLED Selection Guide for Si114x Proximity Applications. 2 Rev. 1.4 Not Recommended for New Designs

HS Compliance

Tariff Desc

8543.70.00 - Other machines and apparatus Free
13 No Signal processors (graphic equalisers, crossovers etc.)
91 .. Other

9027.10.00 Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes.

9031.80.00 - MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

Silicon Labs may also be referenced as

BLUEGIGA
Bluegiga Technologies
Energy Micro
Redpine
Redpine Signals
REDPINE SIGNALS INC.
Redpine Signals, Inc.
RPS
Silicon
SILICON LABORATORIES
Silicon Laboratories Inc
SILICON LABS
Silicon Labs Bluegiga
Silicon Labs / Bluegiga
SL4
Telegesis
TELEGESIS (UK) LIMITED
Touchstone
Touchstone Semiconductor
TOUCHSTONE TECH.
TOUCHSTONE TECHNOLOGY
Zentri / ACKme Networks

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