Search tips
Showing 19 results View by: Thread Post Sort by

  • TIDM-1021: Liquid-tolerant capacitive touch keypad – Dealing with negative touch

    Part Number: TIDM-1021 Tool/software: I am designing a capacitive touch keypad using the MSP430 CapTIvate mutual capacitance method. Layout: 7 buttons with common TX (dense hatch), RX pad size ~11 mm (circular), RX–TX gap 0.5 mm. Microcontroller on…
    • Answered

  • TIDM-1021: Support Software Package Seems Incomplete

    Resolved
    Part Number: TIDM-1021 Other Parts Discussed in Thread: MSP430FR2633 , , CAPTIVATE-BSWP , MSP430F5528 Hello, I am looking to test out the performance of the TIDM-1021 evaluation board. To this end I built a PCBA based off the hardware design files and…
    • Resolved
    • Answered

  • MSP430FR2633: TIDM-1021 performances at -40°C

    Resolved
    Part Number: MSP430FR2633 Other Parts Discussed in Thread: TIDM-1021 Dear e2e support, Could you confirm if our TIDM-1021 or similar ref design could work at -40°C (intended for a rugged outdoor application)? Are there anything we should take care…
    • Resolved

  • TIDM-1021: Possibility of liquid tolerance when the TIDM-1021 board is placed horizontally and when it is tilted

    TI Thinks Resolved
    Part Number: TIDM-1021 Hello, I read following thread and document. https://e2e.ti.com/support/microcontrollers/msp430/f/166/p/791364/2937104#2937104 https://www.ti.com/lit/ug/tidue90/tidue90.pdf I would like to understand the possibility…

  • TIDM-1021: About single-sided mounting

    TI Thinks Resolved
    Part Number: TIDM-1021 Hello. I am evaluating TIDM-1021 board and interested in liquid-tolerant touch. But the board is double sided mounting. Are there any way to mount to single-sided board and realize liquid-tolerant touch? I would like to…

  • TIDM-1021: About the size of the hole of the RX electrode button

    Part Number: TIDM-1021 Hello, I am thinking of developing my board using FR-4 PCB with reference to TIDM-1021. And we are considering making a larger hole in the RX electrode than TIDM-1021 in order to transmit the LED light more. Due to the above…
    • Answered

  • TIDM-1021: Maximum number of channels when driven shield is applied

    Resolved
    Part Number: TIDM-1021 Hello, Can we make more than 15 buttons with driven shield for water proof ? Captivate supports up to 64 buttons with mutual capacitance method, but when driven shield is applied like TIDM-1021,we can make up to 15 buttons(TX…
    • Resolved
    • Answered

  • TIDM-1021: Reason why the driven shield is hatched

    Resolved
    Part Number: TIDM-1021 Hello, I understand driven shield is needed because we should minimize the ground path around the sensor according to following document. https://www.ti.com/lit/ug/tidue90/tidue90.pdf Could you tell me the reason why the driven…
    • Resolved

  • TIDM-1021: Water Proof touch design using Captivate solution

    TI Thinks Resolved
    Part Number: TIDM-1021 Other Parts Discussed in Thread: CAPTIVATE-PHONE Hello. I would like to know following design detail. My customer are going to make Water Proof touch sensor in horizontal position,so there is possibility that a large drop…

  • RE: MSP430FR2533: Capacitive touch

    Hi Mithilesh, Ok, now I"m seeing some differences. You indicated you are basing your design on the schematic in TIDM-1021, which is a 12-button "mutual mode" capacitive design. Mithilesh Chaubey said: I have taken schematic referenced from TI Designs…

Didn't find what you are looking for? Post a new question.