Stepper motor driver board, motor driver circuit, Hi-Current Source Driver Array

 L6208 Series 52 V 5.6 A 0.3 Ohm DMOS Driver For Bipolar Stepper Motor-POWERSO-36

https://www.futureelectronics.com/p/semiconductors--analog--drivers--motor-drivers/l6208pd013tr-stmicroelectronics-2170623