Motor Control using TI AMC1200

This schematic shows the TI AMC1200 in a motor control application. The motor phase current is measured at the resistor (RSHUNT), and the signal is processed through an RC filter before reaching the AMC1200. Also shown are optional protection capacitors C3 and C4. The TI AMC1200 get its high side power from the power supply of the upper gate driver, and a 5.1V zener diode regulates the voltage. The high transient immunity of the AMC1200 and AMC1200B ensures reliable and accurate operation even in high-noise environments such as the power stages of the motor drives.

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