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BUY A3977SEDTR-T https://www.utsource.net/itm/p/11720653.html
IC MTR DRVR BIPOLR 3-5.5V 44PLCC
The A3977SEDTR-T is a microstepping motor driver IC manufactured by Allegro MicroSystems. It is designed to operate bipolar stepper motors in full, half, quarter, and eighth step modes, with an output drive capability of up to 35 V and ±2.5 A. The A3977SEDTR-T is available in a 44-pin PLCC package. The A3977SEDTR-T features a fixed off-time current regulator which has the ability to operate in slow, fast, or mixed decay modes. It also has a built-in translator that allows easy interfacing to controllers that use step and direction signals. Other features include over-temperature protection, over-current protection, and a low-ripple current regulator. The A3977SEDTR-T is suitable for applications such as 3D printers, CNC machines, robotics, and other motor control applications. (For reference only)