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BH1771GLC-E2
Product Overview
Category
The BH1771GLC-E2 belongs to the category of ambient light sensors.
Use
It is used for detecting and measuring the ambient light level in various electronic devices.
Characteristics
- High sensitivity to light
- Low power consumption
- Small form factor
- Wide dynamic range
Package
The BH1771GLC-E2 comes in a small surface-mount package, making it suitable for integration into compact electronic devices.
Essence
The essence of BH1771GLC-E2 lies in its ability to provide accurate ambient light measurements for automatic brightness adjustment in displays and energy-saving features in electronic devices.
Packaging/Quantity
The sensor is typically supplied in reels with a specific quantity per reel, as per the manufacturer's packaging standards.
Specifications
- Operating Voltage: 2.4V to 3.6V
- Current Consumption: 0.65mA (typical)
- Output Type: I2C digital output
- Measurement Range: 0.01 lux to 83k lux
- Operating Temperature: -40°C to 85°C
Detailed Pin Configuration
The BH1771GLC-E2 has a standard pin configuration with pins designated for power supply, ground, I2C communication, and light sensing.
Functional Features
- High accuracy and linearity in light measurement
- Integrated infrared and visible light photodiodes for wide spectral response
- Built-in temperature compensation for reliable performance across varying environmental conditions
Advantages and Disadvantages
Advantages
- Accurate and reliable ambient light sensing
- Low power consumption
- Wide measurement range
Disadvantages
- Limited to I2C interface for communication
- Sensitive to electromagnetic interference in certain applications
Working Principles
The BH1771GLC-E2 operates based on the principle of converting incident light into electrical signals using integrated photodiodes. These signals are then processed to provide precise ambient light measurements.
Detailed Application Field Plans
The BH1771GLC-E2 is widely used in: - Mobile devices for automatic display brightness adjustment - IoT devices for energy-efficient lighting control - Automotive applications for interior ambient light sensing
Detailed and Complete Alternative Models
- BH1750FVI
- TSL2561
- APDS-9301
In conclusion, the BH1771GLC-E2 ambient light sensor offers high precision and low power consumption, making it an ideal choice for various electronic devices requiring accurate ambient light measurement and control.
Word Count: 410
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng BH1771GLC-E2 trong giải pháp kỹ thuật
What is BH1771GLC-E2?
- BH1771GLC-E2 is a digital ambient light sensor designed for use in various technical solutions to measure ambient light intensity.
How does BH1771GLC-E2 work?
- BH1771GLC-E2 uses a photodiode array and analog-to-digital converter to convert light intensity into a digital output, providing accurate measurements of ambient light.
What are the typical applications of BH1771GLC-E2?
- BH1771GLC-E2 is commonly used in smartphones, tablets, laptops, and other electronic devices to adjust screen brightness based on ambient light conditions. It is also used in IoT devices, industrial equipment, and automotive applications.
What is the operating voltage range of BH1771GLC-E2?
- BH1771GLC-E2 operates within a voltage range of 2.5V to 3.6V, making it suitable for a wide range of electronic devices.
Can BH1771GLC-E2 be used in outdoor environments?
- Yes, BH1771GLC-E2 can be used in outdoor environments as it has a wide dynamic range and is capable of accurately measuring light intensity in varying lighting conditions.
Is BH1771GLC-E2 sensitive to infrared light?
- BH1771GLC-E2 has a built-in IR cut filter to minimize the influence of infrared light, ensuring accurate measurement of visible light intensity.
What is the communication interface of BH1771GLC-E2?
- BH1771GLC-E2 features an I2C interface for easy integration with microcontrollers and other digital systems.
Does BH1771GLC-E2 consume a lot of power?
- No, BH1771GLC-E2 is designed for low power consumption, making it suitable for battery-powered devices and energy-efficient applications.
Can BH1771GLC-E2 operate in extreme temperatures?
- BH1771GLC-E2 has a wide operating temperature range of -40°C to 85°C, allowing it to function reliably in various environmental conditions.
Is BH1771GLC-E2 RoHS compliant?
- Yes, BH1771GLC-E2 is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring its environmental safety and compatibility with modern electronics manufacturing standards.