Reference Design For Well being Monitoring System

The reference design allows simple coronary heart price, SpO2, and BPT monitoring integration into wearables and medical units, with customizable firmware and sensor assist.

The MAXREFDES220 is a reference design from Analog Units (ADI) that rapidly measures coronary heart price, SpO2, and BPT with reflective photoplethysmography (PPG). The pre-programmed microcontroller, MAX30101, makes use of a 1.8V energy provide and a separate 5.0V provide for the inner LED. Many system settings might be adjusted through the microcontroller. The module might be powered down by way of software program, consuming zero standby present whereas preserving the facility rails on. 

The reference design fits engineers engaged on designs involving well being monitoring units equivalent to wearables or medical devices that measure coronary heart price, SpO2, and BPT. This reference design helps design engineers by offering a ready-made resolution with key elements and performance, permitting them to combine these measurements into their merchandise rapidly. The reference design additionally helps design engineers by offering a ready-made resolution for rapidly integrating coronary heart price, SpO2, and BPT measurements into their merchandise. With pre-programmed microcontroller settings, adjustable parameters, and low-power options, engineers can simply configure the design to go well with their wants.

– Commercial –

The MAX32664 is a small, low-cost, power-efficient sensor hub for finger-based microcontroller purposes. It collects and processes PPG and accelerometer knowledge by way of an I2C interface and connects to the host through a second I2C interface with a devoted command set. The MAX32664A is for coronary heart price and SpO2, whereas the MAX32664D provides BPT performance. The reference design might be configured for both model.

A Home windows-based GUI configures the sensors and shows coronary heart price and SpO2 knowledge. It additionally permits sensor output to be logged for offline evaluation. The reference design might be reprogrammed with BPT, coronary heart price, and SpO2 firmware, and a.6, an Android app can present the outcomes. The included MAX32630FTHR board simulates a bunch system for straightforward improvement. The supply code for the MAX32630FTHR firmware is offered on the Arm Mbed web site, enabling customized host improvement on any platform.

– Commercial –

The pre-programmed microcontroller, with firmware drivers and algorithms, acts as a sensor hub when paired with appropriate sensor units. It processes knowledge and sends it to a bunch system, enabling prospects to entry uncooked and calculated knowledge from Maxim’s optical sensors whereas sustaining low energy consumption. Its small type issue makes it appropriate for compact purposes. Built-in into the reference design options, the MAX32664 helps speed up time to market. It shares the identical {hardware} because the MAX32660 however features a pre-programmed bootloader for in-application programming (IAP) of the algorithms and sensor drivers. The sensor hub encompasses a fast-mode I2C slave interface for host communication and a second I2C interface for sensor connections. 

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