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STA473

NPN Darlington General purpose

Partnumber Manufacturer Quantity Availability
STA473 200 In Stock

Description and Introduction

NPN Darlington General purpose The STA473 is a stepper motor driver IC manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer Specifications:**  
- **Manufacturer:** STMicroelectronics  
- **Part Number:** STA473  
- **Type:** Stepper Motor Driver IC  
- **Package:** PowerSO-36  

### **Descriptions:**  
- The STA473 is a dual full-bridge driver designed for bipolar stepper motor control.  
- It integrates power MOSFETs with a gate drive circuit, making it suitable for high-current stepper motor applications.  
- It supports microstepping operation for smoother motion control.  

### **Features:**  
- **Output Current:** Up to 2.5A per phase (peak)  
- **Supply Voltage Range:** 10V to 45V  
- **Low RDS(ON) MOSFETs:** Reduces power dissipation  
- **Integrated Protection Features:**  
  - Overcurrent protection  
  - Thermal shutdown  
  - Undervoltage lockout (UVLO)  
- **PWM Current Control:** Allows precise current regulation  
- **Compatibility:** Works with external microcontrollers for step and direction control  
- **Microstepping Support:** Enables smoother motor operation  

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

Application Scenarios & Design Considerations

NPN Darlington General purpose

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