High-Side Positive Current Sensor Monitors Negative Supply

Reference Design using part MAX4172 by Analog Devices

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Manufacturer

Analog Devices
  • Application Category
    Measurement and Monitoring
  • Product Type
    Current Sensing

For End Products

  • Laptop
  • Notebook

Description

  • Application note uses a high-side current-sense amplifier to monitor the current from a negative supply voltage. The circuit uses the IC's wide common-mode input range to amplify a small Vsense signal at the negative supply and level shift it up to a positive output voltage

Featured Parts (6)

Featured Parts
Part Number Manufacturer Type Description
MAX4172ESA+ Analog Devices Special Purpose Amplifiers SP Amp Current Sense Amp Single 32V 8-Pin SOIC N Tube Buy
MAX4172ESA+T Analog Devices Special Purpose Amplifiers SP Amp Current Sense Amp Single 32V 8-Pin SOIC N T/R Buy
MAX4172GUA+T Analog Devices Special Purpose Amplifiers SP Amp Current Sense Amp Single 32V 8-Pin uMAX T/R Buy
MAX4172EUA+ Analog Devices Special Purpose Amplifiers SP Amp Current Sense Amp Single 32V 8-Pin uMAX Tube Buy
MAX4172EUA+T Analog Devices Special Purpose Amplifiers SP Amp Current Sense Amp Single 32V 8-Pin uMAX T/R Buy
MAX4172EUA+ Analog Devices Special Purpose Amplifiers SP Amp Current Sense Amp Single 32V 8-Pin uMAX Tube Buy

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