This Atmel Studio 7 bare metal example in Constant-Current Driver Using the Analog Signal Conditioning (OPAMP) Peripheral (AN3632), shows how to use the OPAMP to implement a constant-current driver using just one external resistor. The OPAMP peripheral also provides the ability to adjust the current setting under firmware control.
This MPLAB X bare metal example in Constant-Current Driver Using the Analog Signal Conditioning (OPAMP) Peripheral (AN3632), shows how to use the OPAMP to implement a constant-current driver using just one external resistor. The OPAMP peripheral also provides the ability to adjust the current setting under firmware control.
Constant current drive circuit
This START based Microchip Studio example shows how to use the Analog Signal Conditioning (OPAMP) peripheral to implement a constant-current driver using one external resistor. The constant current amperage setting can be adjusted using firmware control.
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