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SAA1042V from MOT,Motorola

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SAA1042V

Manufacturer: MOT, MOTO, ON

STEPPER MOTOR DRIVER

Partnumber Manufacturer Quantity Availability
SAA1042V MOT, MOTO, ON 232 In Stock

Description and Introduction

STEPPER MOTOR DRIVER The SAA1042V is a stepper motor driver IC manufactured by Motorola (MOT). Below are the key specifications, descriptions, and features based on the available knowledge:

### **Manufacturer:**  
- **Motorola (MOT)**  

### **Specifications:**  
- **Type:** Unipolar stepper motor driver  
- **Output Current:** Up to **500 mA per phase**  
- **Supply Voltage Range:** **10V to 15V**  
- **Logic Supply Voltage (VDD):** **5V**  
- **Number of Phases:** **4-phase**  
- **Step Modes:** Full-step, half-step (via external logic control)  
- **Built-in Protection:** Thermal shutdown and overcurrent protection  
- **Package:** **16-pin DIP (Dual In-line Package)**  

### **Descriptions:**  
- The SAA1042V is designed to drive **unipolar stepper motors** in applications requiring precise positioning.  
- It integrates **Darlington transistor arrays** to provide sufficient current drive for small to medium-sized stepper motors.  
- The IC includes **internal clamping diodes** for inductive load protection.  

### **Features:**  
- **Simple interface** with microcontrollers or logic circuits.  
- **Low power consumption** in standby mode.  
- **High noise immunity** due to built-in input filtering.  
- **Compatible with TTL and CMOS logic levels.**  
- **Thermal protection** prevents damage from overheating.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

STEPPER MOTOR DRIVER

Alternative Part Number

  • MC3479P --: Stepper motor driver IC with similar function and supply voltage, commonly used as a direct substitute in older designs.
  • L297 --: Stepper motor controller IC offering comparable control interface and widely available as a functional alternative.
  • UCN5804B --: Unipolar stepper motor driver with similar drive capability, suitable as a replacement in many applications.
  • MC33035 --: Three-phase brushless DC motor controller in the same functional class as the SAA1042V, widely available and well documented.
  • TDA5140A --: Brushless DC motor driver IC with comparable control functions, suitable as a functional replacement in motor drive designs.
  • ML4425 --: Sensorless brushless DC motor controller offering similar commutation control, usable as an alternative with minor circuit adaptation.

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