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26.06. - 28.06.2018, Nuremberg
Hall 5, Booth 5-401
 
 

 

 

 

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Contact:

Germany / General
André Huntrieser
✆: +49 (0) 2129 - 376-202
✉: Send email
Field Applications Engineer
Günter Fuchs
✆: +49 (0) 2129 376-200
✉: Send email
Tech Support
Raphael Balke
✆: +49 (0) 2129 376-200
✉: Send email

Austria / Switzerland
Karl Eder
✆: +43 (0) 7448 - 21643-11
✉: Send email

 

MLX91207

 

 

The Melexis MLX91207 is a fully customer programmable monolithic current sensor IC in standard SO-8 package. The Hall sensor provides a high speed analog output signal proportional to the external applied flux density and additional thermometer output. The MLX91207 current sensor enables the user to construct a robust current sensor solution with fast response times < 10usec. 

Fully Programmable Plug and Play Sensor

The MLX91207 current sensor is automotive qualified and particularly appropriate for DC and/or AC current measurements up to 70 kHz with ohmic isolation and low assembly cost requirements. The MLX91207 features over voltage and reverse voltage protection including broken track diagnostics and can therefore be used as a “stand-alone” current sensor being connected directly to a cable. The transfer characteristic of the MLX91207 is fully customer programmable (offset, gain, clamping levels, diagnostic functions, …).

Current Sensor Application

In the typical application the sensor is used in combination with a ring shaped soft ferromagnetic core. The Hall-IC is placed in a small air gap and the current conductor is passed through the inner part of the ferromagnetic ring. The ferromagnetic ring concentrates and amplifies the magnetic flux on the Hall sensor IC which generates an output voltage proportional to the current.
The Melexis MLX91207 is perfectly suitable in many fields of current sensing in automotive like traditional battery monitoring, for converters in hybrid electric vehicle (HEV), electric vehicle (EV), etc. Furthermore it can be used in different applications in industrial and consumer markets like solar panels.

Product Versions

  • MLX91207CA-E: low sensitivity S=5-20mV/mT
  • MLX91207CA-G: high sensitivity S=15-40mV/mT

 

Features Application examples
  • Programmable Hall-Effect current sensor
  • Factory programmable variants
    (magnetic sensitivity range)
  • Fully customer programmable
    (offset, gain, clamping levels and more)
  • Programmable Sensitivity ranges:
    15 to 40mV/m & 5 to 20mV/m
  • Fast analog output (12 bits resolution DAC)
  • Selectable ratio-metric output
  • Thermometer output
  • Large Bandwidth from DC to 60kHz typical
  • Fast response time: 8µs typical
  • Over voltage and reverse polarity protection
  • Wide temperature range from -40°C to 150°C (Code L)
  • Operating voltage from 4.5V to 5.5V
  • SOIC-8 SMD package
  • Current sensor applications
    • Over current detection circuit
    • Inver application HEV & EV
    • AC/DC Converters
    • Battery Management
  • Automotive applications
  • Home and building automation
  • White goods and household appliances

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