Silicon Laboratories Si1145/46/47-M01 Sensor Module User Manual

The Silicon Laboratories Si1145/46/47-M01 sensor module manual provides specifications, features, pin assignments, and usage instructions for the proximity…


Silicon Laboratories Si1145/46/47-M01 Sensor Module User Manual - cover page
Brand
Silicon Laboratories
Category
Other Electronics
Document type
User Manual
Language
English
Pages
70
File format
PDF
File size
2.3 MB
Published
29 September, 2026
Updated
29 September, 2026
MD5 checksum
188560C1B2593A2675BDB245A7E08C81

About this manual

This manual describes the Si1145/46/47-M01 proximity, UV index, and ambient light sensor module with an I2C interface. It covers the device features, electrical specifications, functional description, operational modes, programming guide, pin descriptions, and package information.

The document also includes performance tables, typical application schematics, LED driver settings, and top‑marking details, helping designers integrate the module into handheld, wearable, and consumer electronics applications.

What's inside

  • Electrical Specifications
  • Functional Description
  • Operational Modes
  • Programming Guide
  • Pin Descriptions
  • Ordering Guide
  • Package Outline
  • PCB Land Pattern
  • Top Markings
  • Document Change List

Specifications

Supply Voltage (VDD)1.71 V – 3.6 V
Operating Temperature-40 °C to +85 °C
I2C Clock Frequencyup to 3.4 MHz
Standby Current< 500 nA
LED Driver Pulse Width25.6 µs
Proximity Rangeup to 50 cm
Maximum Ambient Light Level128 klx (direct sunlight)

Frequently asked questions

What is the I2C slave address of the Si1145/46/47-M01 module?

The module uses a hardware address of 0x60 in slave mode.

What supply voltage range does the sensor operate over?

It operates from 1.71 V to 3.6 V.

How much current does the device draw in standby mode?

Standby current is less than 500 nA.


Error codes in this manual

This manual explains 8 error codes. Open a code for its meaning, causes and what to do:

0x000x800x880x890x8A0x8C0x8D0x8E

All error codes of this product →

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