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Syllabus
- Introduction
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Introduction 1 min
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High-Side Current Sense Circuit (HSCS) 2 min
- Circuit Options
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Device Selection Criteria 3 min
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Different Configurations 3 min
- Design Steps and Considerations
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System Parameters 4 min
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Input Common-Mode Voltage Specification 5 min
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Components Selection 5 min
- Design Analysis
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Simulations I 6 min
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Simulations II 5 min
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Simulations III 4 min
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Simulations IV 3 min
- Summary
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Summary 2 min
- Your Feedback
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High Side Current Sensing with the MCP6V51 Zero-drift Opamp
Showing a High Side Current Sensing Design Implementation for System Voltages up to 45 Volts. (Oct 2021)
Many power applications require real-time monitoring of the load current (to maintain safe operation). For this, a high-side current sensing design implementation is shown here based on a simple op-amp circuit that allows operation on system voltages as high as 45 V.