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STK672-050 from SANYO

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STK672-050

Manufacturer: SANYO

5.6 Stepping Motor Driver (Sine Wave Drive) Output Current: 3.0 A (No Heat Sink*) Unipolar constant-current chopper (external excitation PWM) circuit with built-in microstepping controller

Partnumber Manufacturer Quantity Availability
STK672-050,STK672050 SANYO 3843 In Stock

Description and Introduction

5.6 Stepping Motor Driver (Sine Wave Drive) Output Current: 3.0 A (No Heat Sink*) Unipolar constant-current chopper (external excitation PWM) circuit with built-in microstepping controller The **STK672-050** is a hybrid IC (Integrated Circuit) designed for driving stepping motors. Below are its key specifications, descriptions, and features based on available factual information:  

### **Manufacturer:**  
- **SANYO Electric Co., Ltd.** (Now part of **ON Semiconductor** after acquisition)  

### **Specifications:**  
- **Type:** Thick-film hybrid IC  
- **Function:** Stepper motor driver (unipolar/bipolar compatible)  
- **Output Current:** Up to **2.5A** (per phase)  
- **Supply Voltage (Motor):** **10V to 40V**  
- **Logic Supply Voltage (VCC):** **5V** (typical)  
- **Step Modes:** Full-step, half-step, microstepping (configurable via external logic)  
- **Built-in Protection Features:**  
  - Thermal shutdown  
  - Overcurrent protection  
  - Undervoltage lockout (UVLO)  
- **Package Type:** **SIP (Single In-line Package) with heatsink**  

### **Descriptions:**  
- The **STK672-050** integrates power MOSFETs and control circuitry in a single hybrid module, simplifying stepper motor drive design.  
- It supports both **unipolar and bipolar** stepper motors, making it versatile for various applications.  
- The IC includes a **built-in current control circuit** (PWM chopper) for efficient motor driving.  

### **Features:**  
1. **High Output Current:** Capable of driving motors up to **2.5A per phase**.  
2. **Wide Voltage Range:** Supports motor supply voltages from **10V to 40V**.  
3. **Multiple Step Modes:** Configurable for **full-step, half-step, and microstepping** operation.  
4. **Protection Circuits:**  
   - **Thermal shutdown** prevents overheating.  
   - **Overcurrent protection** safeguards against excessive current.  
   - **Undervoltage lockout (UVLO)** ensures proper operation.  
5. **Compact Design:** SIP package with an integrated heatsink for efficient thermal dissipation.  
6. **Low External Component Count:** Reduces PCB complexity.  

This IC is commonly used in **CNC machines, robotics, printers, and industrial automation** where precise stepper motor control is required.  

(Note: Always refer to the official datasheet for exact technical details before implementation.)

Application Scenarios & Design Considerations

5.6 Stepping Motor Driver (Sine Wave Drive) Output Current: 3.0 A (No Heat Sink*) Unipolar constant-current chopper (external excitation PWM) circuit with built-in microstepping controller

Alternative Part Number

  • TB6600HG --: Stepper motor driver IC with similar function and voltage/current capability, widely used as a replacement for Sanyo STK stepper driver modules.
  • L298N --: Dual H-bridge motor driver capable of driving stepper motors, commonly used as a functional substitute in many designs.
  • A4988 --: Integrated microstepping stepper motor driver with built-in translator, suitable alternative for stepper control applications.
  • DRV8825 --: Stepper motor driver with higher current rating and microstepping, commonly used as an upgrade or alternative in comparable driver circuits.

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