Answered

• INA241A: Frequency compensation

  

  LIU QINGFENG

  Resolved

  Part Number: INA241A Other Parts Discussed in Thread: OPA388 , Tool/software: Dear Supporter: We are trying to use this chip to sample current (range +/- 100A ) in high side with ~5V common voltage. However we are not able do frequency compensation…

  • Resolved

  • 3 months ago
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Answered

• INA241A: Distortion due to Common mode voltage.

  

  Amir Geva

  Resolved

  Part Number: INA241A Tool/software: Servo_Driver.pdf We designed servo driver based on DRV8256E. We have shunt resistor that measures the current and use INA241 to amplify the voltage across the shunt. In the two pictures we can see waveforms of…

  • Resolved

  • 3 months ago
  • Amplifiers
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Answered

• INA241A: Shunt Amplifier PWM rejection seems to introduce unwanted blanking

  

  Jerome

  Resolved

  Part Number: INA241A Tool/software: Hello, we use the INA241A-Q1 as an in-line shunt amplifiers for a 48V motor drive application. When a motor phase goes high-to-low, or low-to-high, the common-mode voltage across the shunt change would cause…

  • Resolved

  • 1 month ago
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• INA241A: current waveform TIDA-010936 at high switching frequency

  

  Maksim Gudov

  TI Thinks Resolved

  Part Number: INA241A Other Parts Discussed in Thread: TIDA-010936 Tool/software: Hello, I am interested in using your INA241 IC in inverters with a switching frequency of around 100 kHz. You have a GaN inverter demonstration board (TIDA-010936). Could…

  • 2 months ago
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• INA241A: Is there 2 channels current sensing like INA241?

  

  Eason Tian

  TI Thinks Resolved

  Part Number: INA241A Tool/software: Hi Expert, my customer wants to use INA241 x 2 in motor drive phase current sensing, is there one chip solution for 2 channels INA241? Or other small size solution to replace INA241x2 Thanks Eason

  • 3 months ago
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• INA241A: INA241A2QDRQ1

  

  user6350528

  TI Thinks Resolved

  Part Number: INA241A Other Parts Discussed in Thread: TL072 Tool/software: The test data shows that the gain error is very large, beyond the accuracy of the gain error given by the chip, help to see what is the reason

  • 8 months ago
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Answered

• INA241A-Q1: INA241A-Q1

  

  Alex Teryohin

  Resolved

  Part Number: INA241A-Q1 Tool/software: Hi all. I'm using INA241A3-Q1 shunt amplifier. I have some problem. We got boards from assembly. During testing one of INA241A3-Q1 has burnt: I'm trying to understand what could be a cause of it. I…

  • Resolved

  • over 1 year ago
  • Amplifiers
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• INA241A: Higher Common Mode Voltage Stress

  

  Francis Jiang

  TI Thinks Resolved

  Part Number: INA241A Tool/software: Hi Team, Do we have any other devices which have higher common mode voltage stress? Customer increase output voltage from 54V to 400V. Thanks in advance. BRs, Francis

  • 7 months ago
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Answered

• INA241A: PWM rejection at 300kHz to 500kHz

  

  Clément Letonnelier

  Resolved

  Part Number: INA241A Tool/software: Hello, We are planning on selecting the INA241A2 with a 5ohm shunt to sense the current on the 3 phases output of our GAN inverter. The current level is 4A mean / 8A peak per phase. We intend to run our PWM at…

  • Resolved

  • 7 months ago
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• INA241A: what is the resistance at REF1 and REF2?

  

  Ruixin Feng

  TI Thinks Resolved

  Part Number: INA241A Tool/software: Hi team, what is the resistance at REF1 and REF2? A approximate value is okay.Thanks! Rayna

  • 5 months ago
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