BUY TMC246A-PA https://www.utsource.net/itm/p/9773481.html
IC MTR DRVR BIPOLAR 3-5.5V 44QFP
The TMC246A-PA is a stepper motor driver IC from Trinamic. It is a four-phase, full-bridge driver that is designed to drive bipolar stepper motors with a maximum current of 2.5 A. It has a wide range of features, including a built-in microstepping controller, adjustable current control, and a selectable mixed decay mode. The TMC246A-PA is suitable for a variety of applications, such as 3D printers, CNC machines, and robotics. It is available in a 44-pin QFP package. (For reference only)