Overview

Description

This healthcare monitoring band uses a piezoelectric film sensor to detect the user's heart or respiration rates. The system is optimized for minimal component count and compact size while retaining powerful capabilities. The integrated MCU executes advanced algorithms to detect mental states, such as drowsiness, and the band can be charged wirelessly via NFC.

System Benefits:

  • GreenPAK implements a full analog front-end for the piezoelectric sensor, reducing BOM and size.
  • Fully certified Bluetooth® Low Energy module accelerates time to market.
  • Powerful MCU allows the execution of algorithms to determine mental state based on sensor input.

Comparison

Applications

Applications

  • Healthcare ring, belt, wristband, bed​
  • Medical patch

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Web Diagram Antenna Sheet.120 Sheet.121 Sheet.122 Sheet.123 Sheet.124 Connector Line.92 Connector Line Sheet.169 Sheet.14 Sheet.15 Line 1pt.1552 Line 1pt.1583 Ground Sheet.24 Sheet.25 Connector Arrow.146 Antenna.131 Sheet.132 Sheet.133 Sheet.134 Sheet.135 Sheet.136 Connector Arrow.147 Connector Line.141 Buck-Boost Buck-Boost Buck-Boost Piezoelectric Film Piezoelectric Film Piezoelectric Film OLED Display OLED Display OLED Display Label Text 10pt.262 Li-ion Cell Li-ion Cell Bluetooth Low Energy Bluetooth Low Energy Bluetooth Low Energy Bi-directional Bi-directional.50 Connector Arrow.76 Connector Arrow.79 Humidity & Temperature Sensor Humidity & Temperature Sensor Humidity &Temperature Sensor Connected signals arrow.84 Connected signals line Connected signals arrow Connector Arrow Connector Arrow.105 Connector Line.109 Connector Line.110 Connected signals arrow.111 Connected signals line.113 Connector Arrow.114 Label Text 10pt.115 3.3V 3.3V Connected signals line.116 Connector Line.117 Connector Line.118 Load Switch Load Switch Load Switch Connected signals arrow.148 WS023 WS023 WS023 Label Text 10pt.150 3.0 - 5.2V 3.0 - 5.2V Sheet.156 Sheet.157 MCU MCU MCU I2C I2C I2C ADC ADC ADC SPI SPI SPI UART UART UART Sheet.160 GreenPAK GreenPAK GreenPAK I/V Converter I/V Converter I/V Converter Connector Line.75 Driver Driver.67 Amplifier Amplifier Amplifier Connector Line.71 Connector Line.78 Sheet.170 NFC WLC Listener NFC WLC Listener NFC WLC Listener VBAT VBAT VBAT I2C I2C I2C VDDC VDDC VDDC GPO GPO GPO RF RF RF Quad component
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