Maxim MAX30102可穿戴血氧和心率生物传感器解决方案

Maxim公司的MAX30102是高灵敏度血氧和心率生物传感器,包括内部的LED,光电检测器,光学元件,以及环境光抑制的低噪音电子学.单个1.8V电源,内部LED电源5.0V,通信通过标准的I2C接口进行,工作温度-40℃ 到 +85℃,微细5.6mm x 3.3mm x 1.55mm 14引脚封装,主要用在可穿戴设备以及健美辅助设备.本文介绍了MAX30102主要优势和特性,系统框图和功能框图,典型应用电路以及评估板MAX30102 EVK主要特性,子板和主板电路图,材料清单和PCB设计图.
The MAX30102 is an integrated pulse oximetry and heart-rate monitor module. It includes internal LEDs, photodetectors, optical elements, and low-noise electronics with ambient light rejection. The MAX30102 provides a complete system solution to ease the design-in process for mobile and wearable devices.
The MAX30102 operates on a single 1.8V power supply and a separate 5.0V power supply for the internal LEDs. Communication is through a standard I2C-compatible interface. The module can be shut down through software with zero standby current, allowing the power rails to remain powered at all times.
MAX30102主要优势和特性:
Heart-Rate Monitor and Pulse Oximeter Sensor in LED Reflective Solution
Tiny 5.6mm x 3.3mm x 1.55mm 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 (<1mW)
Ultra-Low Shutdown Current (0.7μA, typ)
Fast Data Output Capability High Sample Rates
Robust Motion Artifact Resilience High SNR
-40℃ to +85℃ Operating Temperature Range
MAX30102应用:
Wearable Devices
Fitness Assistant Devices

图1.MAX30102系统框图

图2.MAX30102功能框图

图3.MAX30102典型应用电路
评估板MAX30102 EVK
The MAX30102 evaluation kit (EV kit) provides a provendesign to evaluate the MAX30102 integrated pulse-oximetryand heart-rate monitor integrated circuit (IC). The EV kitconsist of two boards. USBOSMB is the...