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  • TPL0501-100: TPL0501-100 Rheostat range limitation

    Resolved
    Part Number: TPL0501-100 The data sheet for TPL0501-100 states that the nominal resistance between terminal H and terminal L is 10 kOhm in Rheostat Mode (pg. 9). Is the nominal resistance limited to 10 kOhm or should this be 100 kOhm (Rtot)?
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    • Answered

  • TPL0501-100: About the GND reference on TPL0501-100

    Resolved
    Part Number: TPL0501-100 Tool/software: Hi AE, Can HA/WA/LA be treated as an independent resistor and used with a different ground reference from the SPI front-end GND (i.e., the two GNDs are not connected)? Could you please explain what potential…
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    • Answered

  • TPL0501-100: Inductive motor control via a TRIAC

    Resolved
    Part Number: TPL0501-100 Hi Team, Posting on behalf of our customer. I'm trying to design a control circuit using a digital potentiometer to control 240V AC supply to the inductive motor via a TRIAC. Is there a suitable digital potentiometer and…
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    • Answered

  • TPL0501-100: Unable to get appropriate voltage out

    Resolved
    Part Number: TPL0501-100 Tool/software: Hello, I am using the TPL0501 to sweep between 1V and 0V. I tied H (pin 8) to 1V, L (pin 7) to GND, and VDD to 3.3V and the data pins to a microcontroller running at 3.3V. I am getting a constant output as the…
    • Resolved

  • TPL0501-100: can not work when they input the desired setting by SPI

    Part Number: TPL0501-100 Tool/software: Hi team, My customer is using TPL0501-100 for replace ADI' part in variable frequency driver project. They find that on their own board, TPL0501-100 can not work and change the R_WL to their desired resistance…
    • Answered

  • TPL0501-100: SPI communication failed

    Resolved
    Part Number: TPL0501-100 Tool/software: If there is only one TPL0501 in the slave device, can the CS pin be directly connected to ground? I tried this and found that I could not communicate with the MCU. The following is my SPI communication code. …
    • Resolved

  • TPL0501-100: I have a problem using the TPL0501-100k digital potentiometer to match currents in a current divider.

    Part Number: TPL0501-100 Other Parts Discussed in Thread: ADS1115 Tool/software: Hi all, I am using the TPL0501 to control the current through the branches of a current divider, aiming to equalize the resistances and maintain the same current in each…

  • TPL0501-100: IC ADC / IC DGTL - country of origin

    TI Thinks Resolved
    Part Number: TPL0501-100 Tool/software: Dear Sir or Madam, My name is Olga Bouchie, and I am a Procurement Lead with Ocean Sonics company, located in Nova Scotia, Canada. Our Company manufactures smart digital hydrophones, and we have been purchasing…

  • TPL0501-100: Noise is getting generated from wiper

    Part Number: TPL0501-100 Tool/software: Hi, I'm getting frequency of 650Khz to 950Khz for the different wiper value from the wiper pin please find the below design. My input frequency to the op-amp is 2Khz, but the noise frequency which is getting…

  • TPL0501-100: Device application

    Part Number: TPL0501-100 Hello, My customer has an issue below with the TPL0501-100. - It is designed to control the buzzer sound as follows. - When the minimum volume of the buzzer is set, the buzzer sound is momentarily cut off(If the buzzer continues…

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