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BUY A3977SLP-T https://www.utsource.net/itm/p/7615922.html
Bipolar Motor Driver DMOS Logic 28-TSSOP-EP
. The A3977SLP-T is a dual full-bridge microstepping motor driver from Allegro Microsystems, LLC. 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 device has a built-in translator that allows it to operate with input signals from either a microcontroller or a step/direction interface. The A3977SLP-T is available in a 28-pin TSSOP (0.173", 4.40mm Width) package with an exposed pad for improved thermal performance. It features a low RDS(on) of 0.2Ω, a wide operating voltage range of 8 V to 45 V, and a wide operating temperature range of -40°C to +150°C. The A3977SLP-T is suitable for applications such as 3D printers, CNC machines, and other motor control applications. (For reference only)