VCNL4040-SB

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The VCNL4040-SB is a fully integrated, near- and long-range proximity, ambient light, and infrared temperature sensing module from Vishay. This tiny, low-power module offers an economical solution for a variety of applications, from basic presence detection to more advanced medical and gesture recognition. Whether in home automation systems or even wearables, this small but highly integrated device in a DFN1616 package offers superior sensing capabilities and excellent detection accuracy. In this article, we will explore the application field of the VCNL4040-SB module as well as the underlying working principle of the device.

VCNL4040-SB Application Field

The VCNL4040-SB is ideal for a wide range of near- and long-range proximity sensing applications, including consumer electronics and wearables, automotive, medical, industrial, and indoor/outdoor lighting and automation. This versatile device features a 16-bit ambient light sensor (ALS) with a range of 0.25 lux to 64k lux, a 16-bit proximity sensor (PS) with a range of 1cm to 2m, and an infrared temperature sensor (TS) with a range of -40°C to +125°C. With its extremely low power consumption, the device can be powered by a single 1.5V coin cell battery for years, while still providing accurate readings. The device is also I2C-compatible and offers a variety of features, such as programmable LEDs, adjustable active settings, and a choice of nine reply formats.

The VCNL4040-SB module is also an excellent choice for medical applications such as contact-free physiological measurements. It can be used in medical monitors and imaging devices, for example, to detect the presence of a patient or measure vital signs and heart rate. The module\'s low-power and small form factor make it suitable for wearable medical monitors. In addition, its superior sensing accuracy and reliable readings make it ideal for other medical applications such as pulse oximeters, blood pressure, sleep apnea monitoring, and capnograms.

The module\'s long-range sensing capability and superior detection accuracy also make it an excellent choice for industrial applications. It can be used for a variety of applications, such as intrusion detection, height calculations, and surface detection. In indoor/outdoor lighting and automation, the module can be used to control lights and to detect the presence of objects or people in order to adjust the lighting level. It can also be used to create motion-based triggers for automatic door opening/closing and other automation.

VCNL4040-SB Working Principle

The VCNL4040-SB module is based on Vishay\'s unique silicon technology, which combines a low-noise, wide dynamic range ambient light sensor (ALS), a programmable LED, and a dual-diode infrared (IR) temperature sensor in a single, compact DFN1616 package. The integrated optics are designed to accurately measure ambient light intensity up to 64k lux. The LED is programmable and can be used for proximity detection application. The integrated IR dual-diode sensor is designed to measure temperature from -40°C to +125°C accurate to ±0.3°C of the target temperature.

The module also includes a number of integrated features designed to increase accuracy and reliability. For example, the integrated 3.3V voltage regulator allows the device to be powered with a single 1.5V coin cell battery for years; it also features a low-noise amplifier (LNA) designed to reduce unwanted external noises and offer superior stability; and its programmable LEDs can be used to enhance the detection accuracy. In addition, the module offers adjustable active settings allowing the user to adjust the active time and threshold levels to optimize performance for various applications.

Conclusion

The VCNL4040-SB is an ideal choice for a variety of near- and long-range proximity sensing applications. It features a high-resolution ALS, a long-range PS, and a wide-temperature range IR temperature sensor in a single, compact DFN1616 package. In addition, it offers superior accuracy and excellent detection capabilities thanks to its integrated low-noise amplifier, programmable LED, and adjustable active settings. Whether for medical, industrial, automotive, or indoor/outdoor lighting and automation applications, the VCNL4040-SB module is an economical and reliable solution for robust sensing performance.

The specific data is subject to PDF, and the above content is for reference