Vishay Semiconductor Opto Division presents the VEML6031X00, an exceptional ambient light sensor designed to meet the demanding requirements of automotive and consumer applications. This AEC-Q100-qualified sensor is specifically tailored for scenarios where high sensitivity is essential for accurately detecting light through dark cover materials.
The VEML6031X00 excels in its ability to provide a wide dynamic range of up to 228 Klx, allowing it to capture both bright and dim lighting conditions with precision. With a resolution of 0.0034 lx/ct, it offers fine-grained measurement capabilities, enabling accurate detection even in low-light environments.
This ambient light sensor comprises a highly sensitive photodiode that effectively converts light into electrical signals. These signals are then amplified by a low noise amplifier, ensuring reliable and accurate data acquisition. The sensor utilizes a 16-bit analog-to-digital converter (ADC) to convert the analog signals into digital format for further processing.
In addition to its core components, the VEML6031X00 also includes an infrared (IR) channel, which enables the sensor to accurately detect and measure IR radiation alongside visible light. This feature enhances the sensor's versatility and extends its applicability across various lighting scenarios.
The sensor is housed in a miniature surface-mount package, measuring just 2.67 mm by 2.45 mm, making it suitable for space-constrained designs. With a low profile of 0.6 mm, the sensor can be easily integrated into compact electronic systems.
The VEML6031X00 is an automotive-grade device, meeting the stringent AEC-Q100 qualification standards. It offers ambient light spectral sensitivity that closely matches that of the human eye, ensuring accurate and realistic light measurements. Moreover, it supports multiple secondary addresses, making it suitable for applications that require the use of multiple sensors within a single system.
Temperature compensation is a critical aspect of ambient light sensors, as changes in ambient temperature can impact their performance. The VEML6031X00 incorporates excellent temperature compensation mechanisms, ensuring stable and reliable operation even in varying temperature conditions.
In summary, Vishay's VEML6031X00 ambient light sensor is a high-performance solution designed for automotive and consumer applications. With its high sensitivity, wide dynamic range, and fine resolution, it enables accurate light detection through dark cover materials. The compact surface-mount package, AEC-Q100 qualification, and support for multiple secondary addresses enhance its versatility and applicability. Additionally, the sensor's excellent temperature compensation guarantees stable performance despite changes in ambient temperature.
AEC-Q100 qualified
Features a highly sensitive photodiode, low-noise amplifier, 16-bit ADC, and infrared (IR) channel in a miniature, opaque, 2.67 mm by 2.45 mm surface-mount package with a low 0.6 mm profile
Highly linear behavior from 0 lx to 228 Klx eliminates the need for a correction formula
Resolution down to 0.0034 lx/ct allows for operation in applications with low transmittance (dark) lens designs
IR channel enables light source detection and sensitivity adjustments to compensate for lux errors
High operating temperature range: up to +110°C
Robust package with an improved signal-to-noise ratio
Supports the easy-to-use I2C bus communication interface
Features an interrupt function
Selectable integration time down to 3.125 ms allows for fast response times
Low shutdown current consumption of 0.5 μA typical
Display backlight controls
Infotainment systems
Rearview mirror dimming
Interior lighting control systems
Heads-up displays
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