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SLA5057

Manufacturer: SK

N-channel General purpose

Partnumber Manufacturer Quantity Availability
SLA5057 SK 1181 In Stock

Description and Introduction

N-channel General purpose The part **SLA5057** is a **stepper motor driver IC** manufactured by **Sanken Electric**. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Current:** 2.5 A (max)  
- **Supply Voltage (VM):** 10 V to 45 V  
- **Logic Supply Voltage (VCC):** 4.5 V to 5.5 V  
- **Number of Outputs:** 4 (for bipolar stepper motor control)  
- **Package Type:** **HSIP25** (25-pin single-in-line package with heat sink)  
- **Operating Temperature Range:** -20°C to +85°C  
- **Control Method:** **PWM constant current control**  
- **Protection Features:** Thermal shutdown, overcurrent protection  

### **Descriptions:**  
- The **SLA5057** is a **unipolar/bipolar stepper motor driver IC** designed for high-performance motor control applications.  
- It integrates **power MOSFETs** and control circuitry, reducing external component count.  
- Suitable for **industrial automation, robotics, CNC machines, and office equipment**.  

### **Features:**  
- **Built-in PWM chopper circuit** for constant current control.  
- **Low ON-resistance MOSFETs** (0.3 Ω typical).  
- **Microstepping support** (full-step, half-step, and other modes).  
- **High noise immunity** due to Schmitt trigger inputs.  
- **Standby function** for power saving.  

This IC is commonly used in applications requiring **precise stepper motor control** with **high efficiency and reliability**.  

Would you like any additional technical details?

Application Scenarios & Design Considerations

N-channel General purpose

Alternative Part Number

  • IRFZ44N --: Widely available N-channel MOSFET with similar voltage and current ratings, commonly used as a substitute in switching applications.
  • STP55NF06 --: N-channel power MOSFET with comparable RDS(on) and current capability, suitable for similar power switching circuits.
  • FQP30N06L --: Logic-level N-channel MOSFET offering similar performance and package compatibility for general switching use.
  • 2SK2996 --: N-channel power MOSFET in a similar TO-220 style package with comparable voltage and current ratings, suitable for switching applications.
  • IRF540N --: Widely available N-channel MOSFET with 100V/33A ratings that can replace the original in most power switching circuits.

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