Microchip Analog Spotlight – MCP6C04 – Zero-Drift, 52V High-Side Current Sense Amplifier

The MCP6C04 high-side current sense amplifier provides input offset voltage correction for very-low offset and offset drift. The need to accurately measure a dynamic current is critical in a wide variety of applications, such as monitoring or charging batteries, creating a current controlled feedback loop for a power supply or motor, to simply monitoring current levels for safety reasons. This device is offered with preset gains of 20, 50 and 100 V/V. The input common-mode range extends from 3V to 52V, and the power supply operating voltage is from 2V to 5.5V. This device is specified from –40°C to +125°C (E-Temp) and is provided in the SOT-23 package.

Features

  • Zero-drift architecture
  • Bidirectional or unidirectional operation
  • Maximum offset less than 30 μV
  • Maximum offset drift less than 180 nV/ºC
  • Specified input common-mode range: 3V to 52V
  • Fixed gain options: 20, 50, 100 V/V
  • Bandwidth of 500 kHz (typical)
  • Enhanced EMI rejection
  • Specified from –40 to +125ºC
  • Small 6-pin SOT-23 package

Applications

  • Actuator controls
  • Industrial control and automation
  • Power management systems
  • Motor control
  • Battery monitoring/control

Benefits

  • The zero-drift architecture allows the use of smaller shunt resistors (lowering power dissipation and increasing efficiency) without sacrificing resolution
  • An integrated, on-chip filter reduces high frequency Electromagnetic Interference (EMI), which makes the device ideal for harsh and noisy environments

For more info, contact an Ineltek office within your area or contact us at info@ineltek.com.


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