![]() ![]() In this way, the two sets of drivers can be synchronized to achieve the effect of driving multiple motors at the same time. In addition, terminal 1 of L297 is the synchronous terminal, which can be connected to terminal 1 of another group of L297 and L298 drive circuits. The goal of commanding the motor to rotate in the predicted direction is therefore accomplished thanks to the software's rational organization. ![]() The appropriate control terminals of L297 are linked to ports P0 and P4. ![]() The schematic below depicts the L297+L298 drive wiring theory. The motor coil is fully utilized due to the bipolar drive, allowing the motor to attain the best drive.Ī stepping motor subdivision driving circuit is constructed when two pieces of L297 are used to drive the two windings of a stepping motor through L298, and the Vref corresponding to each winding is adjusted through two D/A converters. A double full bridge mode is used to power it. It is driven by a double full bridge mode. L298 is used to drive the power output of the stepper motor. Drive signal (A, B, C, D) and motor current settings. The stepper motor's power output is driven by the L298. L297 is a stepper motor controller that is used to generate two-phase bipolar. Set the drive signal (A, B, C, D) and the motor current. 5PCS DRV8812PWPR HTSSOP-28 DRV8812 1.6A Bipolar Stepper Motor Driver Chip IC 2 PCS L297 DIP-20 Stepper Motor Controllers Integrated Circuit Chip IC 10 PCS. The L297 is a stepper motor controller that produces two-phase bipolar voltage. It's powered by a constant current mode, and each phase's peak current can reach 2A. A two-phase bipolar stepper motor drive circuit can be built using L297 and L298. ![]()
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December 2022
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