VCNL4035X01-GS18

Introduction

The VCNL4035X01-GS18 is a proximity and ambient light sensor designed for various applications. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Proximity and Ambient Light Sensor
• Use: The VCNL4035X01-GS18 is used to detect the presence of objects and measure ambient light levels in electronic devices.
• Characteristics: It combines a high sensitivity long-distance proximity sensor (PS), ambient light sensor (ALS), and a 940 nm IRED into a single device.
• Package: The sensor is available in a compact surface-mount package.
• Essence: The essence of the VCNL4035X01-GS18 lies in its ability to provide accurate proximity and ambient light sensing in a small form factor.
• Packaging/Quantity: The sensor is typically supplied in reels or tubes, with specific quantities per package.

Specifications

• Proximity Sensing Distance: Up to 20 cm
• Ambient Light Sensing Range: 0.25 lux to 16k lux
• I2C Interface: Allows for easy integration with microcontrollers
• Operating Voltage: 1.7 V to 3.6 V
• Power Consumption: Low power consumption for battery-operated devices

Detailed Pin Configuration

The VCNL4035X01-GS18 features a standard pin configuration with pins for power supply, I2C communication, and sensor outputs.

| Pin Name | Description | |----------|-------------------| | VDD | Power Supply | | GND | Ground | | SDA | I2C Data Line | | SCL | I2C Clock Line | | INT | Interrupt Output | | PS | Proximity Sensor | | ALS | Ambient Light Sensor |

Functional Features

• Proximity Sensing: The sensor can accurately detect the presence of objects within its specified range.
• Ambient Light Sensing: It measures ambient light levels to enable automatic brightness adjustment in displays.
• Integrated IRED: The integrated infrared emitter (IRED) ensures reliable proximity sensing even in low-light conditions.

Advantages and Disadvantages

Advantages

• Compact form factor
• High sensitivity proximity sensing
• Wide ambient light sensing range
• Low power consumption

Disadvantages

• Limited to I2C interface for communication
• May require additional circuitry for specific applications

Working Principles

The VCNL4035X01-GS18 operates based on the principles of infrared reflection and ambient light detection. When an object enters the proximity range, the sensor emits infrared light and measures the reflected light intensity to determine the object's distance. Simultaneously, it measures the ambient light level using the integrated ambient light sensor.

Detailed Application Field Plans

The VCNL4035X01-GS18 finds applications in various electronic devices, including: - Mobile devices for proximity-based touchless controls - Display panels for automatic brightness adjustment - Industrial automation for object detection and counting - Wearable devices for gesture recognition and ambient light sensing

Detailed and Complete Alternative Models

• VCNL4040: Offers extended proximity sensing range and enhanced ambient light sensing capabilities.
• VCNL3020: Provides basic proximity and ambient light sensing in a smaller package.
• VCNL4200: Integrates proximity, ambient light, and gesture recognition functions in a single sensor.

In conclusion, the VCNL4035X01-GS18 is a versatile sensor that offers accurate proximity and ambient light sensing in a compact package, making it suitable for a wide range of electronic applications.

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