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STK672-120-E The STK672-120-E from ON Semiconductor is a unipolar fixed-current chopper type 2-phase stepping motor driver hybrid IC. It offers an output current of 2.4A and operates within a voltage range of 10V to 42V.
Mfr Part #:

STK672-120-E

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The STK672-120-E from ON Semiconductor is a unipolar fixed-current chopper type 2-phase stepping motor driver hybrid IC. It offers an output current of 2.4A and operates within a voltage range of 10V to 42V.
✓ Total Stock: 2,700 pcs
$ Price Range: $2.25

STK672-120-E Available from 1 distributor

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✓ Non-Authorised
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Flip Electronics ✓
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2,700 pcs
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STK672-120-E Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Drive Type
Function
Interface
Motor Type
Mounting Type
Operating Temperature
Output Configuration
Output Current
Step Resolution
Technology
Voltage
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STK672-120-E Description

Short technical summary and product information.

The STK672-120-E is a two-phase stepping motor driver IC manufactured by ON Semiconductor. This hybrid IC utilizes a unipolar fixed-current chopper scheme with self-excited PWM, designed for square wave drive applications.

 

Key electrical specifications include an output current of 2.4A and an operating voltage range of 10V to 42V. The device features power MOSFETs in the output stage and supports step resolutions of 1 and 1/2. It is designed for general-purpose applications and uses a parallel interface.

 

The operating temperature for the STK672-120-E is rated up to 150°C (TJ). The component is classified under the Motor Drivers, Controllers category, suitable for integration into various power management systems.

 

This driver IC is suitable for applications requiring precise control of unipolar stepping motors. Its integrated control and power stage simplify design and reduce component count.

STK672-120-E Quick Information

Product Type: Motor Driver
Canonical Name: STK672-120-E Two-Phase Stepping Motor Driver
Subcategory: Stepping Motor Driver

STK672-120-E Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

STK672-120-E Estimated Pricing

Qty Low High
1+ $2.25 $2.25

Estimated market price range - modelled values for guidance only, not live distributor offers.

STK672-120-E Features

  • Unipolar fixed-current chopper driver.
  • Supports 1 and 1/2 step resolution.
  • Output current rated at 2.4A.
  • Wide operating voltage from 10V to 42V.
  • Integrated control and power stage.

STK672-120-E Applications

  • Ideal for unipolar stepping motor control.
  • Suitable for general-purpose automation.
  • Used in power management systems.
  • Enables precise motor positioning.

STK672-120-E FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the STK672-120-E?

The operating voltage range is 10V to 42V.

What is the maximum operating temperature?

The maximum junction temperature is 150°C.

What type of motor does this driver support?

It drives unipolar stepper motors.

What is the output current rating?

The output current is 2.4A (manufacturer) or 3A (existing data).

What step resolutions are supported?

Full-step (1) and half-step (1/2) resolutions are supported.

What is the interface type?

The interface is parallel.

Is the device surface mount?

Yes, the mounting type is surface mount.

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