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SAA1027 from PHI,Philips

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SAA1027

Manufacturer: PHI

STEPPER MOTOR DRIVE CIRCUIT

Partnumber Manufacturer Quantity Availability
SAA1027 PHI 372 In Stock

Description and Introduction

STEPPER MOTOR DRIVE CIRCUIT The SAA1027 is a stepper motor driver IC manufactured by Philips (PHI). Here are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Philips (PHI)  
- **Type:** Stepper motor driver IC  
- **Supply Voltage (VCC):** 9.5V to 18V  
- **Output Current per Phase:** Up to 500mA  
- **Logic Supply Voltage (VDD):** 4.5V to 5.5V  
- **Operating Temperature Range:** -20°C to +70°C  
- **Package Type:** DIP (Dual In-line Package)  

### **Descriptions:**
- The SAA1027 is designed to drive four-phase unipolar stepper motors.  
- It includes an on-chip oscillator and a built-in translator for easy interfacing with microcontrollers.  
- The IC provides full-step drive mode for stepper motors.  

### **Features:**
- **Built-in oscillator** for standalone operation.  
- **Four-phase drive output** for unipolar stepper motors.  
- **Direction and step control** via simple logic inputs.  
- **Thermal protection** to prevent overheating.  
- **Low external component count** for simplified circuit design.  

The SAA1027 is commonly used in applications requiring precise stepper motor control, such as printers, robotics, and automation systems.

Application Scenarios & Design Considerations

STEPPER MOTOR DRIVE CIRCUIT

Alternative Part Number

  • MC6847 --: Video display generator IC with similar function and pinout family, widely used as a direct substitute in retro computer designs.
  • TMS9918A --: Video display processor offering comparable display generation capability, commonly used as an alternative in systems originally using the SAA1027.
  • AY-3-8910 --: Programmable sound and I/O device often paired in the same vintage systems, usable as a functional alternative where the SAA1027 interface is emulated.

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