MCS1803GS-50-P

MCS1803 is a linear hall-effect current sensor for AC or DC current sensing. The hall array is differential which cancels out any stray magnetic field. A primary conductor with a low resistance allows current to flow close to IC, which contains high-accuracy hall-effect sensors. This current generates a magnetic field that is sensed at two different points by the integrated hall-effect transducers. The magnetic field difference between these two points is then converted into a voltage that is proportional to the applied current. A spinning current technique is used for a low stable offset. The galvanic isolation between pins of primary conductive path and the sensor leads allows MCS1803 to replace opto-isolators or other isolation devices. It requires a minimal number of readily available, standard external components. MCS1802 is available in SOIC-8 package. Applications include motor control, automotive systems, load detection and management, SMPS and overcurrent fault protection.

• ±50A optimized primary current range, 40mV/A typical sensitivity
• 5V, linear hall effect current sensor with ±2.5% accuracy over temperature
• Immune to external magnetic fields by differential sensing
• 2.2KVRMS minimum isolation voltage
• 0.9mohm internal conductor resistance, operating temperature range from -40°C to +125°C
• Device’s small footprint saves board area and makes well-suited for space-constrained applications
• Adjustable bandwidth up to 100KHz, 4μs output rising time
• Ratiometric output from supply voltage
• Output proportional to AC or DC currents, factory-trimmed for accuracy, no magnetic hysteresis
• Integrated shield suppressing capacitive coupling from current conductor to die (up to 10V/ns)

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MPS part numbers ending in "-P" and "-Z" are the same parts. P & Z only indicates reel size.