Azoteq IQ Switch ProxFusion Series Quick Start Manual

Inductive sensing
Hide thumbs Also See for IQ Switch ProxFusion Series:

Advertisement

Quick Links

IQS269A Inductive Sensing Quickstart Guide
Contents
3.1 Example schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 Example PCB coil layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4 GUI setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1 Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 PCB outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.4 GUI setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 Series resistor vs parallel LC tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Copyright c Azoteq (Pty) Ltd 2019.
All Rights Reserved.
IQ Switch
ProxFusion
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IQS269A Inductive Sensing Quickstart Guide
Revision 1.0
R
R
Series
2
3
4
4
5
5
6
9
9
9
10
11
14
14
Page 1 of 15
October 2019

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the IQ Switch ProxFusion Series and is the answer not in the manual?

Questions and answers

Summary of Contents for Azoteq IQ Switch ProxFusion Series

  • Page 1: Table Of Contents

    5.1 Series resistor vs parallel LC tank ....... Copyright c Azoteq (Pty) Ltd 2019.
  • Page 2: Overview

    CX pins. Table 1: IQS269A CX pin assignment in inductive sensing mode CX pin Copyright c Azoteq (Pty) Ltd 2019. IQS269A Inductive Sensing Quickstart Guide Page 2 of 15 All Rights Reserved.
  • Page 3: Design Procedure

    CRX1 pin is configured as the bias voltage in inductive sensing mode 7 channels if CTx signal is provided externally (E.g. PWM from an MCU) Copyright c Azoteq (Pty) Ltd 2019. IQS269A Inductive Sensing Quickstart Guide Page 3 of 15 All Rights Reserved.
  • Page 4: Self Inductance Mode

    Each sensor channel has a CTx pin and a corresponding CRx pin. 3.1 Example schematic diagram Figure 3: Schematic for 3 self inductance sensors Copyright c Azoteq (Pty) Ltd 2019. IQS269A Inductive Sensing Quickstart Guide Page 4 of 15 All Rights Reserved.
  • Page 5: Example Pcb Coil Layout

    0.14 µ Parallel capacitor (C) 560 pF 18 MHz 16 MHz Table 3: Rectangular PCB coil design parameters Copyright c Azoteq (Pty) Ltd 2019. IQS269A Inductive Sensing Quickstart Guide Page 5 of 15 All Rights Reserved. Revision 1.0 October 2019...
  • Page 6: Gui Setup

    3.4 GUI setup a) Start Streaming and launch user settings window. b) Enable CH0, CH1 and CH2 c) Set MCU FOSC to 16 MHz Copyright c Azoteq (Pty) Ltd 2019. IQS269A Inductive Sensing Quickstart Guide Page 6 of 15 All Rights Reserved.
  • Page 7 IQ Switch ProxFusion Series d) Set to 16 MHz e) Configure CH0 f) Configure CH1 g) Configure CH2 Copyright c Azoteq (Pty) Ltd 2019. IQS269A Inductive Sensing Quickstart Guide Page 7 of 15 All Rights Reserved. Revision 1.0 October 2019...
  • Page 8 IQ Switch ProxFusion Series h) Write changes to devices i) Acknowledge reset and redo ATI. j) Expected streaming data. Copyright c Azoteq (Pty) Ltd 2019. IQS269A Inductive Sensing Quickstart Guide Page 8 of 15 All Rights Reserved. Revision 1.0 October 2019...
  • Page 9: Mutual Inductance Mode

    4.1 Schematic diagram Figure 5: Mutual inductance sensing schematic diagram 4.2 PCB outline Figure 6: Mutual inductance PCB coil layout Copyright c Azoteq (Pty) Ltd 2019. IQS269A Inductive Sensing Quickstart Guide Page 9 of 15 All Rights Reserved. Revision 1.0...
  • Page 10: Lc Tank Design

    Trace spacing 0.15 mm Measured inductance (L) 0.72 µ Parallel capacitor (C) 1.5 nF 4.8 MHz 4 MHz Copyright c Azoteq (Pty) Ltd 2019. IQS269A Inductive Sensing Quickstart Guide Page 10 of 15 All Rights Reserved. Revision 1.0 October 2019...
  • Page 11: Gui Setup

    4.4 GUI setup a) Start Streaming and launch user settings window. b) Enable CH0, CH1 and CH2 c) Set MCU FOSC to 16 MHz Copyright c Azoteq (Pty) Ltd 2019. IQS269A Inductive Sensing Quickstart Guide Page 11 of 15 All Rights Reserved.
  • Page 12 IQ Switch ProxFusion Series d) Set to 4 MHz e) Configure CH0 f) Configure CH1 g) Configure CH2 Copyright c Azoteq (Pty) Ltd 2019. IQS269A Inductive Sensing Quickstart Guide Page 12 of 15 All Rights Reserved. Revision 1.0 October 2019...
  • Page 13 IQ Switch ProxFusion Series h) Write changes to devices i) Acknowledge reset and redo ATI. j) Expected streaming data. Copyright c Azoteq (Pty) Ltd 2019. IQS269A Inductive Sensing Quickstart Guide Page 13 of 15 All Rights Reserved. Revision 1.0 October 2019...
  • Page 14: Design Considerations

    EM emissions while still providing a sufficient sensing signal. This is helpful in cases where EMC compliance required. Copyright c Azoteq (Pty) Ltd 2019. IQS269A Inductive Sensing Quickstart Guide Page 14 of 15 All Rights Reserved.
  • Page 15 Azoteq’s total liability for all losses, damages and causes of action (in contract, tort (including without limitation, negligence) or otherwise) will not exceed the amount already paid by the customer for the products. Azoteq reserves the right to alter its products, to make corrections, deletions, modifications, enhancements, improvements and other changes to the content and information, its products, programs and...

This manual is also suitable for:

Iq switch proxfusion iqs269a

Table of Contents