Driver

NEMA17 Datasheet – 2-Phase Stepper Motor

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Part Number: NEMA17

Function: 2-Phase Stepper Motor

Pacakge :  1.7 x 1.7 inch (43.2 x 43.2 mm)

Manufacturer: Schneider Electric

This post explains for the Stepper Motor NEMA 17.

Image

NEMA17 Stepper Motor

Description

A stepper motor to satisfy all your robotics needs! This 4-wire bipolar stepper has 1.8° per step for smooth motion and a nice holding torque. The motor was specified to have a max current of 350mA so that it could be driven easily with an Adafruit motor shield for Arduino (or other motor driver) and a wall adapter or lead-acid battery.

Some nice details include a ready-to-go cable and a machined drive shaft (so you can easily attach stuff). We drove it with an Adafruit motor shield for Arduino and it hummed along nicely at 50 RPM.

NEMA17 Pinout

(  Black(A+), Green(A-), Red(B+), Blue(B-) )

NEMA17 datasheet pinout

Features

This is high torque Nema 17 stepper motor with 1.8 deg. step angle (200 steps/revolution). Each phase draws 2A, allowing for a holding torque of 45Ncm(63.7oz.in). It’s ideal for the RepRap Prusa, Mendel 90, Rostock and similar 3D printers, as well as CNC and robotics applications.

 

Reference Sites

1. https://reprap.org/wiki/NEMA_17_Stepper_motor
2. https://howtomechatronics.com/tutorials/arduino

 

NEMA17 Datasheet PDF Download

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UP6281 PDF Datasheet – 12V MOSFET Driver

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A MOSFET driver is a specialized integrated circuit (IC) designed to provide the necessary electrical signals to drive metal-oxide-semiconductor field-effect transistors (MOSFETs) efficiently and effectively. MOSFETs are commonly used as electronic switches in a wide range of applications, including power electronics, motor control, voltage regulation, and more. A MOSFET driver ensures that the MOSFET is turned on and off rapidly and reliably, optimizing its performance and minimizing switching losses.

Part Number: UP6281

Function: 12V MOSFET Driver

Package: SOP 8 Pin, WDFN 3×3 Type

Manufacturer: uPI Semiconductor

Images:UP6281 pdf pinout

Description

The UP6281 is a dual, high voltage MOSFET driver optimized for driving two N-Channel MOSFETs in a synchronousrectified buck converter. Each driver is capable of driving a 5000pF load with 30ns transition time. This device combined with uPI multi-phase buck PWM controller forms a complete
core voltage regulator for advanced micro-processors.

The uP6281 features adaptive anti-shoot-through protection that prevents cross-conduction of the external MOSFET while maintains minimum deadtime for optimized efficiency. Both gate drives are turned off by pulling low OD# pin or high-impedance at PWM pin, preventing rapid output
capacitor discharge during system shutdowns […]

Features

1. All-In-One Synchronous Buck Drivers

2. Bootstrapped High-Side Driver

3. Adaptive Anti-Shoot-Through Protection Circuitry

4. 1 PWM Signal Generates both Drivers

5. Tri-State Input for Bridge Shutdown

6. Output Disable Control Turns Off both MOSFETs

7. Under Voltage Lockout for Supply Input

UP6281 datasheet

Applications:

1. Core Voltage Supplies for Desktop, Motherboard CPUs

2. High Frequency Low Profile DC/DC Converters

3. High Current Low Voltage DC/DC Converters

UP6281 PDF Datasheet