Search TI current sense amplifiers, and find reference designs and other technical resources. https://www.ti.com/amplifier-circuit/current-sense/overview.html This video looks into the primary factors that impact the choice of shunt resistor, and shows how to calculate the maximum shunt resistor value for an application. It also briefly touches upon shunt resistor tolerance error. Ask questions and interact with the authors in the Amplifiers forum on the TI E2E™ Community. https://e2e.ti.com/support/amplifiers/f/14 Download the Simplifying Current Sensing e-book https://www.ti.com/lit/eb/slyy154a/slyy154a.pdf Find the right current sense amplifier and start designing today. https://www.ti.com/amplifier-circuit/current-sense/products.html