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L6221A from ST,ST Microelectronics

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L6221A

Manufacturer: ST

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Partnumber Manufacturer Quantity Availability
L6221A ST 15442 In Stock

Description and Introduction

QUAD DARLINGTON SWITCH The part **L6221A** is a motor driver IC manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Type:** DMOS Driver for Bipolar Stepper Motors  
- **Output Current:** Up to 1.2A per phase  
- **Supply Voltage Range:** 8V to 52V  
- **Logic Supply Voltage:** 5V  
- **Operating Frequency:** Up to 100kHz  
- **Protection Features:** Thermal shutdown, undervoltage lockout, and overcurrent protection  
- **Package:** PowerDIP20, SO20  

### **Descriptions:**  
The L6221A is a DMOS full-bridge driver designed for bipolar stepper motor control. It integrates power MOSFETs with a high-efficiency PWM current controller, making it suitable for applications requiring precise motor control.  

### **Features:**  
- **High Efficiency:** Low RDS(on) DMOS output stages  
- **Flexible Control:** Compatible with microcontrollers and logic circuits  
- **Current Sensing:** Built-in current sensing for accurate control  
- **Low Power Dissipation:** Optimized for energy-efficient operation  
- **Wide Voltage Range:** Supports a broad input voltage range for various motor types  

This information is based on the manufacturer's datasheet. For detailed technical parameters, refer to STMicroelectronics' official documentation.

Application Scenarios & Design Considerations

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