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RT1025 Cardio EVK

User Manual

APP_RT1025WS_P0-00 November 2018

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http://www.richtek.com

your power partner.

Cardio EVK User Manual for RT1025 Cardioid Evaluation Board

Purpose

The RT1025 is an integrated AFE solution for Heart-Rate monitoring and Biopotential measurements. The RT1025

integrates low noise voltage and current sensing channels and is capable of sensing ECG (Electrocardiography) and

PPG (Photoplethysmography) simultaneously. Richtek Technology developed an Android APP with the evaluation

board to evaluate RT1025 performance. This document describes the operation manual of Cardio EVK for RT1025

evaluation board.

Table of Contents

Purpose ................................................................................................................................................................. 1

Introduction ............................................................................................................................................................ 2

Usage with The Cardioid Evaluation Board ............................................................................................................ 3

More Information.................................................................................................................................................. 15

Important Notice for Richtek Evaluation Board ..................................................................................................... 15

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Summary of Contents for RT1025

Page 1: ...ates low noise voltage and current sensing channels and is capable of sensing ECG Electrocardiography and PPG Photoplethysmography simultaneously Richtek Technology developed an Android APP with the evaluation board to evaluate RT1025 performance This document describes the operation manual of Cardio EVK for RT1025 evaluation board Table of Contents Purpose 1 Introduction 2 Usage with The Cardioid...

Page 2: ...wer medical ECG PPG sports and fitness applications With high levels of integration and high precision voltage and current sensing channels the RT1025 solution is suitable for scalable medical instrumentation systems The RT1025 is available in a 3 1mm x 3 4mm 41 Ball 0 4mm pitch WL CSP package The Cardio EVK is an Android APP to evaluate RT1025 performance with the Cardioid evaluation board The ev...

Page 3: ...chieve the high speed data acquisition the RT1025 device was configured as a slave of SPI mode The Cardioid evaluation board is fully assembled and tested The usage of the evaluation board was shown in below figure 1 Insert LIR2430 Battery in the battery case The battery can be charged by applying 5V via the Micro USB port Once on you should see a Red LED lighting for OK status If no light is pres...

Page 4: ...t shows up upon opening the android application Select the evaluation board ID RTK_CARDIO_00XXXX from pup out menu for BLE paring After the Cardioid evaluation board BLE connection is successfully established the BLE ICON will become blue and the main GUI will launch Refer to detail Description of from APP section for more information 3 Put your fingers cover the VRLD and PPG sensor in the top FR ...

Page 5: ... com your power partner Select PPG ECG tab firstly then press Measure to start PPG ECG data acquisitions Note that it may take a while to get stable results Press Stop once you finish the measurement 4 Check the measurement results Press SAVE to store the measured data for analysis ...

Page 6: ...rdioid Evaluation Board configuration Cardio EVK can download from Google Store PPG ECG G sensor Measuring PPG To acquire the PPG data click PPG tab in the Cardio EVK first Then press Measure to start the measurement Press Stop once you finish the measurement ECG To acquire the ECG data click ECG tab in the Cardio EVK first Then press Measure to start the measurement Press Stop once you finish the...

Page 7: ...ce you finish the measurement G sensor To acquire the G sensor value click G sensor tab in the Cardio EVK first Then press Measure to start the measurement Shaking the EVB in different directions will produce below results Press Stop once you finish the measurement Info To obtain the FW version battery and temperature value of the Cardioid Pad device click Info tab in the Cardio EVK first Then the...

Page 8: ... measuring data and other device information into a csv file located in the phone s main directory entitled rtk_cardio_ppg_DATE_TIME csv rtk_cardio_ecg_DATE_TIME csv rtk_cardio_ecgppg_DATE_TIME csv or rtk_cardio_gs_DATE_TIME csv Measure The Measure button is used to measure the PPG ECG PPG ECG G sensor signal from Cardioid Pad device During the data acquiring the button will be changed to Stop Sto...

Page 9: ...on in the upper right hand of the Cardio EVK screen Firmware Upgrade This function will update the firmware of the Cardioid Pad via the phone Please find the latest firmware information from Richtek website Please do not close the APP and Cardioid Pad during the update to avoid the update failure The battery voltage needs to be greater than 3 8V when FW upgrade ...

Page 10: ...he Cardioid Pad the pop up menu will appear Select the firmware file and pressing OTA button Cardioid PAD will start upgrade Firmware Y Axis Unit This function can use to switch the ADC raw code and Voltage or G values in the waveform display LED Source Cardioid PAD provide the Green and the Red IR LED sources for PPG measurement This function can switch the LED source for PPG measurement ...

Page 11: ...ike to change and press the button After pressing the SELECT button the Cardioid PAD LED source will switch to corresponding LED automatically If the Green LED was selected only one PPG data will display the waveform on PPG Tab If the Red IR LED was selected two PPG data for both Red and IR LED will display the waveform on PPG Tab RED IR LED method has different capability i e SpO2 Blood oxygen le...

Page 12: ...This function provides the smooth filter for the waveform Pressing the Waveform Filter the pop up menu will appear Select the With Filter and press the button the display waveform will be filtered Please note that the raw data without filter will be saved if the SAVE button was pressed Measured ECG waveform without filter ...

Page 13: ...e respective RT1025 register you would like to change and press the button After pressing the Setting Reg button all of the RT1025 registers will switch to be updated automatically This pop up menu also can read or write all of the RT1025 register values from or to the file Please allow a few seconds for the BLE handshake to update after pressing the Loading Reg or Setting Reg All of the register ...

Page 14: ...RT1025 Cardio EVK User Manual APP_RT1025WS_P0 00 November 2018 14 http www richtek com your power partner Ve r To obtain the APP version ...

Page 15: ... richtek com Important Notice for Richtek Evaluation Board THIS DOCUMENT IS FOR REFERENCE ONLY NOTHING CONTAINED IN THIS DOCUMENT SHALL BE CONSTRUED AS RICHTEK S WARRANTY EXPRESS OR IMPLIED UNDER CONTRACT TORT OR STATUTORY WITH RESPECT TO THE PRESENTATION HEREIN IN NO EVENT SHALL RICHTEK BE LIABLE TO BUYER OR USER FOR ANY AND ALL DAMAGES INCLUDING WITHOUT LIMITATION TO DIRECT INDIRECT SPECIAL PUNI...

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