Pulse Oximeter and Heart-Rate Sensor (H2BR1x)

Specifications

Front-end

• MAX30100 sensor:
  • Features:
    • Complete pulse oximeter and heart-rate sensor solution simplifies design
    • Ultra-low-power operation increases battery life for wearable devices
    • Advanced functionality improves measurement performance
• LD39015 150 mA low quiescent current and low noise voltage regulator:
  • Features:
    • Input voltage from 1.5 to 5.5 V
    • Ultra low-dropout voltage (80 mV typ. at 100 mA load)
    • Very low quiescent current (18 µA typ. at no load, 38 µA typ. at 150 mA load, 1 µA max. in
      OFF mode)
    • Very low noise without bypass capacitor (29 µVRMS at VOUT = 0.8 V)
    • Output voltage tolerance: ± 2.0% @ 25 °C
    • 150 mA guaranteed output current
    • Wide range of output voltages available on request: 0.8 V to 3.3 V with 100 mV step
    • Logic-controlled electronic shutdown
    • Compatible with ceramic capacitors CO = 1 µF
    • Internal current and thermal limit
    • Temperature range: -40 °C to 125 °C

Back-end

• STM32G0B1CEU6N 32-bit ARM Cortex-M0 MCU.
• 8MHz external oscillator.
• Five array ports and Four power ports (+3.3V and GND).
• Access to 1xI2C, 5xUART, BOOT0, RESET.

Physical Properties

• Shape: Hexagon
• Size: 30 mm short diagonal, 17.32 mm side
• Area: 7.8 cm^2
• Weight: 10 g
• Soldermask Color: Dark green
• Surface Finish: ENIG (gold) or HASL-LF (tin)