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STK672-110

Unipolar Fixed-Current Chopper (Self-Excited PWM) Scheme and Built-in Phase Signal Distribution IC Two-Phase Stepping Motor Driver (Square Wave Drive) Output Current: 1.8 A

Partnumber Manufacturer Quantity Availability
STK672-110,STK672110 68 In Stock

Description and Introduction

Unipolar Fixed-Current Chopper (Self-Excited PWM) Scheme and Built-in Phase Signal Distribution IC Two-Phase Stepping Motor Driver (Square Wave Drive) Output Current: 1.8 A The STK672-110 is a hybrid IC (integrated circuit) manufactured by **Sanyo** (now part of **ON Semiconductor**). It is designed as a **stepper motor driver** with built-in power MOSFETs, providing a compact and efficient solution for driving stepper motors in various applications.

### **Specifications:**
- **Manufacturer:** Sanyo (ON Semiconductor)  
- **Type:** Hybrid IC (Stepper Motor Driver)  
- **Output Configuration:** Unipolar  
- **Output Current:** Up to **2.0A** (per phase)  
- **Supply Voltage (Motor):** **5V to 42V**  
- **Supply Voltage (Logic):** **5V**  
- **Number of Phases:** **4-phase** (for bipolar stepper motors)  
- **Control Method:** **PWM chopper control** (for constant current drive)  
- **Thermal Protection:** Built-in thermal shutdown  
- **Package Type:** **SIP-25** (Single In-line Package with 25 pins)  

### **Descriptions & Features:**
1. **Integrated Design:** Combines power MOSFETs, control logic, and protection circuits in a single package.  
2. **PWM Chopper Control:** Ensures stable current regulation for smooth motor operation.  
3. **High Efficiency:** Low power dissipation due to MOSFET switching.  
4. **Protection Features:** Includes thermal shutdown to prevent overheating.  
5. **Compact SIP Package:** Saves space in PCB designs.  
6. **Compatible with Microcontrollers:** Can be easily interfaced with logic-level signals (5V).  

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

(Note: Always refer to the official datasheet for detailed electrical characteristics and application notes.)

Application Scenarios & Design Considerations

Unipolar Fixed-Current Chopper (Self-Excited PWM) Scheme and Built-in Phase Signal Distribution IC Two-Phase Stepping Motor Driver (Square Wave Drive) Output Current: 1.8 A

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