TB6219 driver equivalent, stepper motor driver.
6, 19
Ground
See pins 7, 18
7, 18
Ground
Ground connection With pins 6 and 19 also conducts heat from die to print.
The TB6219 is a bipolar monolithic integrated circuits intended to control and drive both winding of a bipolar stepper motor or bidirectionally control two DC motors. The TB6219 with a few external components form a complete control and drive circuit.
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