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  • TMCS1108: TMCS1108 highly susceptible to external magnetic fields - not clear from datasheet!

    TI Thinks Resolved
    Part Number: TMCS1108 I have been testing TMCS1108A4U as a higher-sensitivity pin-compatible replacement for Allegro ACS71240, but found "unexpected behaviour" when a neighbouring relay (about half an inch away) was switched on - output voltage corresponding…
    • Answered

  • TMCS1108: TMCS1108 Layout Concern: Impact of Reduced Horizontal Distance on Measurement Error

    Resolved
    Part Number: TMCS1108 Hi team, Purpose: I would like to confirm the impact of PCB layout on measurement accuracy for TMCS1108. Background / Setup: I am considering a layout where the current path is routed as indicated by the red arrow in the figure…
    • Resolved

  • TMCS1108: TMCS1108: Effect of Conductor Orientation on Magnetic Field Coupling and Measurement Error

    TI Thinks Resolved
    Part Number: TMCS1108 Hi team, Purpose I would like to understand how the orientation of the current-carrying conductor affects measurement error in TMCS1108. Background / Setup Assume a PCB layout where the current flows in the direction shown…

  • TMCS1108: TMCS1108

    TI Thinks Resolved
    Part Number: TMCS1108 Tool/software: hello , i am looking for information regarding the made in for this part, as it is missing on the label i hope someone can explain me why ! thank you regards aliette
    • Answered

  • TMCS1108: Creepage clearance

    Resolved
    Part Number: TMCS1108 Other Parts Discussed in Thread: TMCS1101 Hello, I'm building the footprint for this part and I would like to ask the creepage clearance to use because based on page 34 of datasheet there are two clearances. Usually in your datasheet…
    • Resolved
    • Answered

  • TMCS1108: Output on negative current flow

    Resolved
    Part Number: TMCS1108 Hi I'm using the TMCS1108A3U in a design (3.3V supply), the current will always flow in one direction, hence using the unidirectional part. Under a fault condition or operator abuse there could be reverse current flow of ~500mA…
    • Resolved
    • Answered

  • TMCS1108: Why is the error minimized at a horizontal distance of approximately 30 mm?

    Resolved
    Part Number: TMCS1108 Hi team, Purpose: To understand the relationship between horizontal distance and measurement error. www.ti.com/.../sboa518.pdf Questions: Why does the error reach its minimum at around 30 mm? Is there a theoretical…
    • Resolved
    • Answered

  • TMCS1108: AC current sensing

    Resolved
    Part Number: TMCS1108 Dear Team, I would like to use the TMCS1108A4X current sensor to measure 50 Hz AC current. My question is that which version is the fit solution? Unidirectonal or bidirectional? If I understood well, If I would use bidirectonal…
    • Resolved
    • Answered

  • TMCS1108: Device shuts down around 0.75 A input current at IN pin, suspected overcurrent protection

    Resolved
    Part Number: TMCS1108 Hi team, My customer is observing an issue where the device shuts down when the current flowing into the IN pin is approximately 0.75 A, while the device operates normally when the current is around 0.6 A. Based on this…
    • Resolved
    • Answered

  • TMCS1108: Is it ideal to align the current flow direction close to theta = 0° to minimize magnetic field error in the layout?

    Resolved
    Part Number: TMCS1108 Hi team, I have a question regarding the layout concept shown in the attached figure. As my understanding of the explanation, is it correct to say that the ideal layout is to make the current flow direction as close as possible…
    • Resolved

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