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L6221C from ST,ST Microelectronics

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L6221C

Manufacturer: ST

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Partnumber Manufacturer Quantity Availability
L6221C ST 6 In Stock

Description and Introduction

QUAD DARLINGTON SWITCH The L6221C is a motor driver IC manufactured by STMicroelectronics. Here are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
STMicroelectronics (ST)  

### **Specifications:**  
- **Output Current:** Up to 1.2A (peak)  
- **Operating Voltage Range:** 8V to 52V  
- **Logic Supply Voltage (VCC):** 5V  
- **Output Configuration:** Half-bridge (3-phase capable with multiple ICs)  
- **PWM Control:** Yes (for speed and direction control)  
- **Protection Features:** Overcurrent, thermal shutdown, undervoltage lockout  
- **Package:** PowerSO20  

### **Descriptions:**  
The L6221C is a DMOS driver designed for three-phase brushless DC motor control. It integrates power MOSFETs with a high-efficiency PWM current control system. It is suitable for applications requiring precise motor speed and direction control.  

### **Features:**  
- **High Voltage Operation:** Supports up to 52V  
- **Low Saturation Voltage:** Reduces power dissipation  
- **Cross-Conduction Protection:** Prevents shoot-through in half-bridge configurations  
- **Synchronizable PWM Inputs:** Allows external clock synchronization  
- **Diagnostic Output:** Provides fault detection signals  

This information is based solely on STMicroelectronics' documented specifications for the L6221C.

Application Scenarios & Design Considerations

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