Texas Instruments LDC1000 User Manual
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Texas Instruments LDC1000 User Manual

Texas Instruments LDC1000 User Manual

Evaluation module
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LDC1000 Evaluation Module
User's Guide
Literature Number: SNAU150
September 2013

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Summary of Contents for Texas Instruments LDC1000

  • Page 1 LDC1000 Evaluation Module User's Guide Literature Number: SNAU150 September 2013...
  • Page 2 1% COG cap is connected, in parallel, to the PCB coil, in order to form an LC tank. The EVM is perforated at two locations: One between Coil and LDC1000, which provides the option to snap the PCB coil and connect a custom coil required in the application. The second perforation is between LDC1000 and MSP430, and provides the option to connect the LDC1000+Sensor into a different system or use multiple of such sensors in one system for prototyping.

  • Page 3: Evaluation Module

    LDC1000 Inductance-to-Digital Converter. The EVM is a USB device used with a host computer and accessed using the Inductive Sensing Graphical User Interface (GUI) software, which is documented in Chapter To quickly get started on the LDC1000 GUI, follow the steps below to load and configure a device. 2.1.1 Evaluation Module Set Up Requirements 1.
  • Page 4 Figure 2-3. Configuration Section Icon 3. Select the parameter to change. When entering the comparator thresholds, press ENTER to confirm the change. Changes are applied immediately. Quick Start Guide LDC1000 Evaluation Module SNAU150 – September 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...
  • Page 5 1. The GUI puts the device in streaming mode by default. Click on "Stop" in the Streaming Section to stop streaming. 2. Click on the "Open" icon in the toolbar. Figure 2-6. Open Icon 3. Select the configuration file. SNAU150 – September 2013 Quick Start Guide LDC1000 Evaluation Module Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...
  • Page 6 Restore Defaults to write all current registers with the new configuration file defaults. Figure 2-7. Restore Defaults Quick Start Guide LDC1000 Evaluation Module SNAU150 – September 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...
  • Page 7 The inductive sensing GUI provides graphical configuration and streaming support for the LDC1000. The GUI package includes drivers for use with the LDC1000 Evaluation Modules (EVM). The EVM provides a device abstraction layer for the GUI to communicate with the LDC1000 through SPI, and includes other extended functionality.

  • Page 8: Connecting And Disconnecting

    General Configuration In the configuration section, all registers of the device can be accessed. To access this section, streaming must be stopped. Inductive Sensing GUI User Guide SNAU150 – September 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...

  • Page 9: Register Settings

    Register Settings In the register settings section, all registers of the device can be accessed. To read/write registers, streaming must be stopped. SNAU150 – September 2013 Inductive Sensing GUI User Guide Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...

  • Page 10: Data Streaming

    Data is streamed from the EVM to the GUI when streaming is started. The sampling rate of the EVM and the number of samples to plot can be configured. Inductive Sensing GUI User Guide SNAU150 – September 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...
  • Page 11 Autoscales the data in the plot Reset Resets the Zoom window to its default setting Help Displays shortcut keys and mouse mappings for scaling and zooming SNAU150 – September 2013 Inductive Sensing GUI User Guide Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...

  • Page 12: Saving And Loading

    Data can be saved to a new file or an existing one. If an existing file is chosen, data will be appended. Inductive Sensing GUI User Guide SNAU150 – September 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...
  • Page 13 Saving and Loading www.ti.com Figure 3-8. Saving Data from a plot SNAU150 – September 2013 Inductive Sensing GUI User Guide Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...
  • Page 14 Chapter 4 SNAU150 – September 2013 Schematics LDC1000 Schematics Figure 4-1. Layout Figure 4-2. Top Layer Schematics SNAU150 – September 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...
  • Page 15 LDC1000 Schematics www.ti.com Figure 4-3. Bottom Layer SNAU150 – September 2013 Schematics Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...

  • Page 16: Bill Of Materials

    RES 1K OHM 1/10W 5% Panasonic Electronic ERJ-2GEJ102X 0402 SMD Components RES,1M ohm, 5%, Yageo RC0402JR-071ML 0.063W, 0402 RES 1.5K OHM 1/16W Vishay Dale CRCW04021K50JNED 5% 0402 SMD Bill of Materials SNAU150 – September 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...
  • Page 17 Abracon Corporation ABMM-24.000MHZ-B2-T 18PF SMD TERM BLOCK 2POS 20020327-D021B01LF 3.81MM PCB HORIZ Header, TH, 100mil, 2x1, Samtec, Inc. TSW-102-07-G-S Gold plated, 230 mil above insulator SNAU150 – September 2013 Bill of Materials Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...

  • Page 18: Important Notice

    IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue.

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