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Спецификации
| Атрибут | Ценность |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Obsolete |
| Type | Ambient |
| Proximity Detection | Yes |
| Output Type | I²C |
| Voltage - Supply | 2.25V ~ 3.63V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Обзор
Description
The ISL29028AIROZ-T7 is a compact ambient light and proximity sensor designed for consumer electronics applications such as mobile devices and display panels. Manufactured by Renesas Electronics, this sensor integrates both ambient light sensing (ALS) and proximity detection features in a single package. The sensor is adept at measuring ambient light intensity, which can be used to adjust screen brightness automatically, optimizing both visibility and power consumption.
Key features include a wide operating range of light detection, from dim to bright light, and a programmable interrupt function that allows the host processor to sleep until a significant light change is detected, enhancing power efficiency. The proximity detection relies on infrared light, and the device includes an IR LED driver to facilitate this function.
The ISL29028AIROZ-T7 is known for its low power consumption, making it suitable for battery-powered devices. It communicates via an I2C interface, which is compatible with most microcontrollers, allowing for easy integration into various systems. The sensor’s compact form factor allows for seamless integration into space-constrained designs.
Key features include a wide operating range of light detection, from dim to bright light, and a programmable interrupt function that allows the host processor to sleep until a significant light change is detected, enhancing power efficiency. The proximity detection relies on infrared light, and the device includes an IR LED driver to facilitate this function.
The ISL29028AIROZ-T7 is known for its low power consumption, making it suitable for battery-powered devices. It communicates via an I2C interface, which is compatible with most microcontrollers, allowing for easy integration into various systems. The sensor’s compact form factor allows for seamless integration into space-constrained designs.
Equivalent
The ISL29028AIROZ-T7 is a digital ambient light sensor. Equivalent products include the TSL2561 from ams/OSRAM, the MAX44009 from Maxim Integrated, the BH1750 from ROHM Semiconductor, and the VEML7700 from Vishay. These alternatives offer similar functionalities, such as light intensity measurement and digital output. Ensure compatibility by comparing specifications like spectral response, interface type, and package size before selecting a replacement.
Features
The ISL29028AIROZ-T7 is a digital light sensor designed for precise ambient light sensing. Its key features include:
1. High Sensitivity and Range: It can measure light levels from 0.01 lux to 64,000 lux, making it suitable for various lighting conditions.
2. Dual Functionality: It incorporates both an ambient light sensor (ALS) and an infrared sensor, allowing for light and proximity detection.
3. I2C Interface: The sensor communicates via an I2C interface, facilitating easy integration with microcontrollers and other digital systems.
4. Low Power Consumption: It operates efficiently, with low power usage, which is crucial for battery-operated devices.
5. Programmable Interrupt Function: This feature allows the sensor to trigger events based on programmable light level thresholds, reducing the need for constant polling by the host processor.
6. Temperature Compensation: Ensures accurate readings across varying temperature conditions.
7. Compact Package: Available in a small form factor, making it suitable for mobile and space-constrained applications.
Overall, the ISL29028AIROZ-T7 is ideal for devices requiring reliable light measurement and proximity detection, such as smartphones and other portable electronics.
1. High Sensitivity and Range: It can measure light levels from 0.01 lux to 64,000 lux, making it suitable for various lighting conditions.
2. Dual Functionality: It incorporates both an ambient light sensor (ALS) and an infrared sensor, allowing for light and proximity detection.
3. I2C Interface: The sensor communicates via an I2C interface, facilitating easy integration with microcontrollers and other digital systems.
4. Low Power Consumption: It operates efficiently, with low power usage, which is crucial for battery-operated devices.
5. Programmable Interrupt Function: This feature allows the sensor to trigger events based on programmable light level thresholds, reducing the need for constant polling by the host processor.
6. Temperature Compensation: Ensures accurate readings across varying temperature conditions.
7. Compact Package: Available in a small form factor, making it suitable for mobile and space-constrained applications.
Overall, the ISL29028AIROZ-T7 is ideal for devices requiring reliable light measurement and proximity detection, such as smartphones and other portable electronics.
Pinout
The ISL29028AIROZ-T7 is an integrated ambient and infrared light-to-digital converter with IR LED driver, designed for consumer electronic applications. It typically comes in a 6-pin package. The pin functions are as follows:
1. VDD: Power supply pin for the device, typically connected to a power source.
2. SCL: Serial clock line for I2C communication.
3. SDA: Serial data line for I2C communication.
4. INT: Interrupt output, which alerts the microcontroller to specific conditions or events.
5. GND: Ground connection, forming the return path for the power supply.
6. LDR: Connects to an external IR LED for proximity sensing.
These pins facilitate the device's operation by managing power, communication, and interfacing with external components.
1. VDD: Power supply pin for the device, typically connected to a power source.
2. SCL: Serial clock line for I2C communication.
3. SDA: Serial data line for I2C communication.
4. INT: Interrupt output, which alerts the microcontroller to specific conditions or events.
5. GND: Ground connection, forming the return path for the power supply.
6. LDR: Connects to an external IR LED for proximity sensing.
These pins facilitate the device's operation by managing power, communication, and interfacing with external components.
Manufacturer
The ISL29028AIROZ-T7 is manufactured by Renesas Electronics Corporation. Renesas is a Japanese semiconductor company that specializes in the design, development, and manufacturing of a wide range of microcontrollers, analog, and power devices, as well as system-on-chip (SoC) products. The company serves various industries, including automotive, industrial, home electronics, office automation, and information communication technology. Renesas is known for providing integrated solutions that combine hardware and software to enhance the performance and efficiency of electronic systems.
Application
The ISL29028AIROZ-T7 is a digital ambient light sensor with an integrated infrared (IR) sensor. Its primary application areas include mobile devices like smartphones and tablets for automatic brightness adjustment, enhancing user comfort and energy efficiency. It is also used in display backlighting control for TVs, laptops, and monitors to optimize visual performance in varying lighting conditions. Additionally, the sensor can be employed in consumer electronics for proximity detection and gesture recognition, as well as in automotive systems for headlight control and interior lighting adjustments. Its compact size and low power consumption make it suitable for battery-operated devices and applications requiring precise light measurement.
Package
The ISL29028AIROZ-T7 is packaged in an Optical Sensor Integrated Circuit with a small form factor, typically in a surface-mount package. Specifically, it uses the Optical QFN (Quad Flat No-leads) package, known for its compact size and efficiency in applications requiring ambient light sensing.