Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Ambient |
| Wavelength | 560nm |
| Proximity Detection | No |
| Output Type | I²C |
| Voltage - Supply | 2.4V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Tổng quan
Description
The BH1751FVI-TR is a digital ambient light sensor commonly used in consumer electronics for precise lighting conditions detection. It measures the intensity of light in the surrounding environment and converts it into a digital signal that can be processed by microcontrollers or microprocessors. This sensor is housed in a compact surface-mount package, making it suitable for integration into space-constrained applications like smartphones, tablets, and other portable devices.
The BH1751FVI-TR operates over a wide range of light intensities, from dim moonlight to bright sunlight, offering high resolution and accuracy. It uses an I2C interface for communication, which simplifies connectivity with various digital systems. The sensor's low power consumption makes it ideal for battery-powered devices, contributing to extended battery life.
This sensor's ability to provide automatic brightness adjustment and contribute to power management systems is crucial in developing energy-efficient electronic devices. Additionally, its capability to mimic human eye sensitivity helps optimize display and backlight brightness for visual comfort and energy saving.
The BH1751FVI-TR operates over a wide range of light intensities, from dim moonlight to bright sunlight, offering high resolution and accuracy. It uses an I2C interface for communication, which simplifies connectivity with various digital systems. The sensor's low power consumption makes it ideal for battery-powered devices, contributing to extended battery life.
This sensor's ability to provide automatic brightness adjustment and contribute to power management systems is crucial in developing energy-efficient electronic devices. Additionally, its capability to mimic human eye sensitivity helps optimize display and backlight brightness for visual comfort and energy saving.
Equivalent
The BH1751FVI-TR is a digital light sensor. Equivalent products include the TSL2561 from ams, the VEML7700 from Vishay, and the MAX44009 from Maxim Integrated. Each of these devices provides similar functionality in terms of ambient light detection with digital output, making them suitable alternatives depending on specific application requirements such as interface compatibility and sensitivity range.
Features
The BH1751FVI-TR is a digital ambient light sensor IC designed for precise light measurement. Key features include:
1. High Sensitivity: Capable of detecting a wide range of lighting, from very low to extremely high illuminance levels, making it suitable for various lighting conditions.
2. I²C Interface: Supports easy communication with microcontrollers via the I²C bus, facilitating integration into numerous applications.
3. Low Current Consumption: Energy-efficient operation with minimal power usage, ideal for battery-operated devices.
4. Wide Operating Range: Operates effectively across a broad spectrum of light wavelengths, closely matching the human eye response.
5. On-Chip Calibration: Factory-calibrated to ensure consistent performance and accurate light measurements without the need for external components.
6. Compact Package: Available in a small surface-mount package, allowing for flexible design implementations in space-constrained applications.
7. Temperature Compensation: Built-in compensation functionality to maintain accuracy across varying temperature conditions.
These features make the BH1751FVI-TR suitable for applications like smartphone displays, automotive lighting systems, and other devices requiring automatic brightness adjustments.
1. High Sensitivity: Capable of detecting a wide range of lighting, from very low to extremely high illuminance levels, making it suitable for various lighting conditions.
2. I²C Interface: Supports easy communication with microcontrollers via the I²C bus, facilitating integration into numerous applications.
3. Low Current Consumption: Energy-efficient operation with minimal power usage, ideal for battery-operated devices.
4. Wide Operating Range: Operates effectively across a broad spectrum of light wavelengths, closely matching the human eye response.
5. On-Chip Calibration: Factory-calibrated to ensure consistent performance and accurate light measurements without the need for external components.
6. Compact Package: Available in a small surface-mount package, allowing for flexible design implementations in space-constrained applications.
7. Temperature Compensation: Built-in compensation functionality to maintain accuracy across varying temperature conditions.
These features make the BH1751FVI-TR suitable for applications like smartphone displays, automotive lighting systems, and other devices requiring automatic brightness adjustments.
Pinout
The BH1751FVI-TR is a digital ambient light sensor integrated circuit (IC) by Rohm Semiconductor. It typically comes in an 8-pin package. Below is a concise overview of its pin configuration and primary functions:
1. VCC (Pin 1): Power supply input.
2. GND (Pin 2): Ground connection.
3. SCL (Pin 3): Serial clock input for I²C communication.
4. SDA (Pin 4): Serial data input/output for I²C communication.
5. ADDR (Pin 5): Address pin to select I²C slave address.
6. NC (Pins 6, 7, 8): No connection, typically left unconnected.
The BH1751FVI-TR is designed for precise ambient light sensing and provides digital output via the I²C bus. It features high sensitivity and a wide dynamic range, making it suitable for applications like adjusting display brightness in various lighting conditions.
1. VCC (Pin 1): Power supply input.
2. GND (Pin 2): Ground connection.
3. SCL (Pin 3): Serial clock input for I²C communication.
4. SDA (Pin 4): Serial data input/output for I²C communication.
5. ADDR (Pin 5): Address pin to select I²C slave address.
6. NC (Pins 6, 7, 8): No connection, typically left unconnected.
The BH1751FVI-TR is designed for precise ambient light sensing and provides digital output via the I²C bus. It features high sensitivity and a wide dynamic range, making it suitable for applications like adjusting display brightness in various lighting conditions.
Manufacturer
The BH1751FVI-TR is manufactured by Rohm Semiconductor. Rohm Semiconductor is a global company that designs and manufactures a wide range of electronic components, including integrated circuits, semiconductors, and other electronic devices. The company is based in Kyoto, Japan, and is known for its innovation and high-quality products used in various applications such as consumer electronics, automotive, industrial equipment, and communication technology. Rohm focuses on creating components that offer efficiency and reliability, often catering to cutting-edge technology sectors.
Application
The BH1751FVI-TR is a digital ambient light sensor commonly used in applications requiring automatic brightness adjustment. Key areas include:
1. Consumer Electronics: Enhances display brightness in smartphones, tablets, and laptops based on ambient light conditions.
2. Automotive: Adjusts dashboard and infotainment system brightness for optimal visibility.
3. Smart Home Devices: Used in lighting systems for energy-efficient ambient light control.
4. Industrial Equipment: Manages display and indicator brightness in varying lighting environments.
5. Wearable Technology: Improves screen readability in fitness trackers and smartwatches.
It provides precise lux measurement, enabling energy savings and user comfort by adjusting brightness automatically.
1. Consumer Electronics: Enhances display brightness in smartphones, tablets, and laptops based on ambient light conditions.
2. Automotive: Adjusts dashboard and infotainment system brightness for optimal visibility.
3. Smart Home Devices: Used in lighting systems for energy-efficient ambient light control.
4. Industrial Equipment: Manages display and indicator brightness in varying lighting environments.
5. Wearable Technology: Improves screen readability in fitness trackers and smartwatches.
It provides precise lux measurement, enabling energy savings and user comfort by adjusting brightness automatically.
Package
The BH1751FVI-TR is a digital light sensor IC with an I2C interface. It comes in an SOP-8 package type, which is a small-outline package with eight pins. This type of packaging is suitable for surface mounting on printed circuit boards and is commonly used in applications requiring ambient light sensing.
