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L6221AS from ST,ST Microelectronics

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L6221AS

Manufacturer: ST

QUAD DARLINGTON SWITCH

Partnumber Manufacturer Quantity Availability
L6221AS ST 23 In Stock

Description and Introduction

QUAD DARLINGTON SWITCH Here are the factual details about the **L6221AS** from the manufacturer **STMicroelectronics (ST)**:

### **Specifications:**
- **Manufacturer:** STMicroelectronics (ST)
- **Part Number:** L6221AS
- **Type:** DMOS Driver IC for Three-Phase Brushless Motors
- **Output Current:** Up to 1.5A (peak)
- **Operating Voltage Range:** 8V to 52V
- **Logic Supply Voltage (VCC):** 5V
- **Output Configuration:** Three Half-Bridge DMOS Outputs
- **PWM Control:** Yes (up to 100kHz)
- **Protection Features:** Overcurrent, Thermal Shutdown, Undervoltage Lockout (UVLO)
- **Package:** PowerSO-20 (Exposed Pad for Heat Dissipation)
- **Operating Temperature Range:** -40°C to +150°C

### **Descriptions:**
The **L6221AS** is a DMOS driver IC designed for driving three-phase brushless DC motors. It integrates three half-bridge power stages with DMOS transistors, providing efficient motor control. It supports PWM input for speed regulation and includes built-in protection features for safe operation.

### **Features:**
- **High Efficiency:** Low RDS(on) DMOS outputs reduce power dissipation.
- **Flexible Control:** Compatible with Hall sensors or sensorless commutation.
- **Integrated Protection:** Overcurrent, thermal shutdown, and undervoltage lockout.
- **Wide Voltage Range:** Supports 8V to 52V motor supply.
- **Compact Package:** PowerSO-20 with an exposed thermal pad for improved heat dissipation.

For exact electrical characteristics, refer to the official **STMicroelectronics datasheet**.

Application Scenarios & Design Considerations

QUAD DARLINGTON SWITCH
Partnumber Manufacturer Quantity Availability
L6221AS STM 33745 In Stock

Description and Introduction

QUAD DARLINGTON SWITCH The part **L6221AS** is manufactured by **STMicroelectronics (STM)**.  

### **Specifications:**  
- **Type:** DMOS Driver for 3-Phase Brushless Motor  
- **Output Current:** 1.2A (peak)  
- **Supply Voltage Range:** 8V to 52V  
- **Logic Inputs:** 3.3V and 5V compatible  
- **Protection Features:** Thermal shutdown, undervoltage lockout (UVLO), and overcurrent protection  
- **Package:** PowerSO-20  

### **Descriptions:**  
The **L6221AS** is a DMOS driver designed for 3-phase brushless motor control. It integrates power DMOS transistors with a high-efficiency charge pump for driving external N-channel power MOSFETs. It is suitable for applications requiring precise motor control, such as industrial automation, robotics, and automotive systems.  

### **Features:**  
- **High Efficiency:** Built-in charge pump for N-MOSFET gate driving  
- **Flexible Logic Inputs:** Compatible with 3.3V and 5V microcontrollers  
- **Robust Protection:** Includes thermal shutdown, UVLO, and overcurrent detection  
- **Wide Voltage Range:** Operates from 8V to 52V, making it suitable for various power supplies  
- **Compact Package:** PowerSO-20 for space-constrained applications  

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

Application Scenarios & Design Considerations

QUAD DARLINGTON SWITCH
Partnumber Manufacturer Quantity Availability
L6221AS ST 15 In Stock

Description and Introduction

QUAD DARLINGTON SWITCH The L6221AS is a motor driver IC manufactured by STMicroelectronics. Below are the factual details from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** STMicroelectronics (ST)  
- **Type:** DMOS Driver for 3-Phase Brushless Motors  
- **Operating Voltage:** 8V to 52V  
- **Output Current:** Up to 2.8A (peak)  
- **Logic Supply Voltage:** 5V (compatible with 3.3V logic)  
- **PWM Control:** Supports high-frequency PWM operation  
- **Protection Features:** Overcurrent, thermal shutdown, and undervoltage lockout (UVLO)  
- **Package:** PowerSO20 (exposed pad for heat dissipation)  

### **Descriptions:**  
- The L6221AS is designed for driving 3-phase brushless DC motors efficiently.  
- It integrates DMOS power transistors with a high-efficiency control circuit.  
- Suitable for applications requiring precise motor control, such as industrial automation, robotics, and consumer electronics.  

### **Features:**  
- **High Voltage Operation:** Supports up to 52V supply.  
- **Low RDS(on) Outputs:** Reduces power dissipation.  
- **Integrated Fast Decay Mode:** Improves motor braking performance.  
- **Cross-Conduction Protection:** Prevents shoot-through currents.  
- **Flexible Input Logic:** Compatible with 3.3V and 5V microcontrollers.  

For exact technical details, always refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

QUAD DARLINGTON SWITCH

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