Monolithic Power Systems MCS1823 Linear Hall-effect Current Sensor
With Over-Current Detection in an Ultra-Small Package
Monolithic Power Systems’ MCS1823 is a linear Hall-effect current sensor IC for AC or DC current sensing. The Hall array is differential to cancel out any stray magnetic field.
A low-resistance (0.6mΩ) primary conductor allows a large current to flow within close proximity to the integrated circuit containing high-accuracy Hall sensors. This current generates a magnetic field which is sensed at two different points by the integrated Hall 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 MCS1823 implements over-current detection (OCD) to easily monitor the system for over-current faults.
The MCS1823’s small footprint saves board area and makes it well-suited for space-constrained applications. The MCS1823 is available in an ultra-small QFN-12 (3mmx3mm) package.
Features & Benefits
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Functional Block Diagram | Typical Application |
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