Well being-Sensor Reference Design

The platform revolutionizes well being and health know-how evaluation, effectively monitoring movement, temperature, and biopotentials and adapting to future improvements.

Maxim creates subtle options for medical and superior health industries, primarily from its various product traces. To expedite buyer analysis of those options and help with their design processes, Maxim launched the “hSensor” platform. This built-in sensor platform permits clients to shortly and simply assess Maxim’s utility choices. It’s additionally designed to be adaptable, integrating upcoming options, whether or not presently in design or deliberate for future improvement.

The hSensor platform is provided to deal with an array of measurements vital to healthcare and health applied sciences. These embrace movement monitoring, exact pores and skin temperature measurement, and varied biopotential assessments corresponding to electrocardiography (ECG), electromyography (EMG), and electroencephalography (EEG). Moreover, it helps a number of reflective photoplethysmography measurements like pulse oximetry and coronary heart fee detection, using three wavelengths: 880nm (infrared), 660nm (crimson), and 537nm (inexperienced).

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For health purposes, the platform accommodates chest-based techniques corresponding to chest straps outfitted with coronary heart fee (HR) screens and those who mix HR with electrocardiography (ECG). Wrist-based purposes embrace smartwatches with optical HR sensors. Moreover, ear-based purposes, corresponding to headphones built-in with optical HR monitoring, are supported.

The platform can be utilized in scientific settings for chest-based purposes like 1-lead ECG patches designed for arrhythmia detection, which monitor each ECG and HR. It additionally helps pores and skin temperature measurements. Finger-based purposes on the platform embrace optical SpO2 measurement, and each ear-based and head-based purposes can measure optical HR and SpO2. Lastly, arm-based purposes are coated with armbands that incorporate ECG capabilities. These versatile purposes spotlight the platform’s broad adaptability in monitoring and diagnostic contexts.

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The platform is appropriate with GUI purposes on each Home windows-based PCs and Android gadgets, facilitating accessible information assortment and visualization. It helps a direct USB connection through a USB Kind-C connector and Bluetooth Low Vitality (BLE) for configuring and gathering information. Moreover, the platform presents a direct-to-flash reminiscence mode for information assortment, which may learn flash reminiscence through a USB connection.

On the coronary heart of the hSensor platform is the MAX32620 microcontroller. This technique is provided with a spread of sensors, together with the MAX30003/MAX30004 biopotential analogue front-end (AFE) for biopotential measurements, the MAX30205 sensor for human physique temperature, and the MAX30101 for pulse oximetry and coronary heart fee monitoring. It additionally contains the LIS2DH 3-axis accelerometer, the LSM6DS3, which mixes a 3D accelerometer and a 3D gyroscope, and the BMP280 sensor for measuring absolute barometric strain. These elements collectively improve the platform’s functionality to observe varied well being parameters effectively.

Maxim has examined this reference design. It comes with a invoice of supplies (BOM), schematics, meeting drawing, printed circuit board (PCB) structure, and extra. The corporate’s web site has further information concerning the reference design. To learn extra about this reference design, click on right here.