BH1792GLC
Optical Sensor for Heart Rate Monitor

BH1792GLC is optical sensor for heart rate monitor IC in which LED driver, green light and IR detection photodiode are incorporated. This device drives LED and provides the intensity of light reflected from body. LED brightness can be adjusted by LED driver current. The photodiode having the high sensitivity for green light and excellent wavelength selectivity achieves accurate pulse wave detection.

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Product Detail

 
Part Number | BH1792GLC-E2
Status | Recommended
Package | WLGA010V28
Unit Quantity | 3000
Minimum Package Quantity | 3000
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Standard

Sensor Type

Heart Rate Monitor

Analog Supply Voltage (Min.) [V]

2.5

Analog Supply Voltage (Max.) [V]

3.6

Current Consumption [uA]

200.0

Standby Current [µA]

0.8

Red Light Cut

Yes

IR Cut

Yes

I/F

I²C

Operating Temperature (Min.)[°C]

-20

Operating Temperature (Max.)[°C]

85

Package Size [mm]

2.8x2.8 (t=1)

Features:

  • Build-in green photodiode with excellent wavelength selective green filter and IR curt filter.
  • Built-in IR photodiode for touch detection.
  • Correspond to high sampling frequency. (1024Hz)
  • LED driver with current selection.
  • I²C bus Interface(f/s mode support)
  • Built-in FIFO

Evaluation
Board

 
    • Evaluation Board
    • BH1792GLC-EVK-001

    • BH1792GLC-EVK-001 is an evaluation board for BH1792GLC, which is a ROHM Optical Sensor for Heart Rate Monitor.

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Design Resources

 

Documents

White Paper

  • Growth of Medical Sensors & Electronic Components Demand Due To Covid-19

User's Guide

  • Evaluation Board User's Guide
  • Shield-EVK-001 Manual

Technical Articles

Schematic Design & Verification

  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • What Is Thermal Design
  • Basics of Thermal Resistance and Heat Dissipation
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • Thermal Resistance

Packaging & Quality

Package Information

  • Package Information

Manufacturing Data

  • Factory Information

Environmental Data

  • REACH SVHC Non-use Declaration