Pulse ox and heart rate module offers low power solution for wearable and fitness applications.
System designers can speed time to market for wearable and healthcare products with the MAX30102 pulse oximeter and heart rate integrated sensor module from Maxim Integrated Products, Inc. The integrated pulse oximetry and heart rate monitor module is an ultra-low power solution providing a complete system to save space and ease the design-in process for mobile and wearable devices.
Wearable equipment for vital-sign monitoring is rapidly evolving, and analog integration is at the heart of this. System-on-chip (SoC) and integrated module solutions are rapidly replacing discrete, multicomponent designs. The MAX30102 integrates red and IR LEDs to modulate LED pulses for oxygen saturation (SpO2) and heart rate measurements.
The pulse oximeter can measure and display pulse rate simultaneously with the SpO2 level. This is a non-invasive, real-time technique particularly in vital sign monitoring during an operation or under anesthesia.
The IC also integrates the photo-detectors, optical elements, and low-noise electronics with ambient light rejection, using an integrated cover glass to improve accuracy of the measurement. The IC has high SNR to allow for robust artifact resilience as well.
Key Features
- Heart-Rate Monitor and Pulse Oximeter Sensor in LED Reflective Solution
- Tiny 5.6 mm x 3.3 mm x 1.55 mm 14-Pin Optical Module
- Integrated Cover Glass for Optimal, Robust Performance
- Ultra-Low Power Operation for Mobile Devices
- Programmable Sample Rate and LED Current for Power Savings
- Low-Power Heart-Rate Monitor (< 1 mW)
- Ultra-Low Shutdown Current (0.7 µA, typ)
- Fast Data Output Capability
- High Sample Rates
- Robust Motion Artifact Resilience
- High SNR
- -40°C to +85°C Operating Temperature Range
Evaluation kit
There is an all-important evaluation platform, the MAX30102ACCEVKIT, with the integrated module and an accelerometer that provides designers a quick and easy way to evaluate the module.
The MAX30102 evaluation kit (EV kit) provides a proven design to evaluate the MAX30102 integrated pulse-oximetry and heart-rate monitor IC. The EV kit consist of two boards: The USBOSMB is the mother board and MAX30102DBEVKIT is the daughter board that includes the MAX30102 and an accelerometer. The EV kit is powered using the USB supply to generate +1.8V for the sensor and +4.5V for the internal LEDs of the MAX30102, and +3.3V for the accelerometer. The EV kit comes with a MAX30102EFD+ installed in a 14-pin OESIP package.
This kit allows real-time monitoring, is USB-powered, has an on-board accelerometer and is Windows 7- and Windows 8/8.1-compatible software. The board Gerber files will speed time to market as well for the designer.
