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TIDA-01141: Recommend current sensing design with general-purpose op amp

Part Number: TIDA-01141

Tool/software:

Hi team,

My customer wants to do current sensing in bidirectional DC/DC design. Their requirements are listed as below:

  • low-side current sensing
  • current is bidirectional & high-speed (several hundred kHz)
  • low-cost
  • measurement accuracy doesn't need to be high
  • use general-purpose op amp instead of current sensing amp to realize the circuit

Do we have a design that can satisfy the requirements above?

Really appreciate your time to look into this problem!

Best Regards,

Kelly Tian