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  • TIDA-01102: Ground plane cutouts in reference design

    Part Number: TIDA-01102 Hi, I am designing a board using a printed coil matrix inspired by the TIDA-01102. I am now looking into how to design the ground planes for the board. Looking at the TIDA-01102 design, I am struggling to understand why there…
    • Answered

  • LDC1101: Usage with external multiplexer.

    Resolved
    Part Number: LDC1101 Other Parts Discussed in Thread: TIDA-01102 , , TS3A5017 , LDC1614 I am considering a design with four LDC1101 chips. I know that the LDC1614 is a quad version with LHR measurement, however, the LDC1101 has LHR and Rp+L modes. A reference…
    • Resolved
    • Answered

  • RE: LDC1314KEYPAD-EVM: LDC1314KEYPAD-EVM

    Resolved
    Hello Hitesh, The LDC1314KEYPAD-EVM is designed to be a standalone application and does not work with the sensing solutions GUI. If you are interested in a 16 button keypad design where you can see the device data, I recommend checking out the TIDA-0110…
    • Answered

  • RE: [FAQ] Sensors In Dishwashers

    Resolved
    This is a very good and question and something most people really don’t think about. Appliances are something we interact with on a regular basis, and sensors can help improve the quality of our interactions with our devices. Sensors allow our appliances…

  • RE: LDC1614: Network between coils and LDC1614

    Hello Maynard, We have the TIDA-01102 reference design that uses analog MUXs to switch between channels. The key to having something like this in between the coil and the IC is to make sure the part has the bandwidth to support the sensor frequency. If…
    • Answered

  • RE: [FAQ] How to get started with Inductive Touch Buttons

    Resolved
    If you are just getting started with inductive sensing, the following may be useful for understanding how the technology works: https://training.ti.com/ti-precision-labs-inductive-sensing-overview-inductive-sensing-technology - Overview of LDC and follow…
    • Answered

  • RE: FDC2214EVM: Four channels with different oscillation frequencies share one sensor

    Resolved
    Hello Will, Connecting multiple channels together like this will cause the LC tank on other channels to become part of the measurement. Even using multiple FDC chips, you would still see this happen since other channels LC tanks will be connected. You…
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  • RE: LDC1612: Elimination of influence of external capacitance in LDC sensor

    Resolved
    Jianeng, As you have seen in the posts, the LDC devices use an inductive sensor and a component capacitor to form a resonant LC circuit.. The LDC device monitors the LC sensor waveform, counts its axis crossings and then compares that to a reference clock…
    • Answered

  • RE: LDC1612: Questions regarding LDC1612 behaviors

    Resolved
    Hello Onawa-san, If the ADDR pin is switched during sleep mode, there is still the chance for unexpected register behavior. If the pin is toggled, I would recommend either reading all registers to ensure they are still in the proper state, or soft resetting…
    • Answered

  • LDC1614: Noise Concern

    Resolved
    Part Number: LDC1614 Other Parts Discussed in Thread: TIDA-01102 Hello Team, I am working with a customer to quickly bring up a touch keypad. They are thinking about implementing the LDC sensor from our TIDA-01102, but are concerned that the 125kHz and…
    • Resolved

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