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L6238SQA

12V SENSORLESS SPINDLE MOTOR CONTROLLER

Partnumber Manufacturer Quantity Availability
L6238SQA 63 In Stock

Description and Introduction

12V SENSORLESS SPINDLE MOTOR CONTROLLER The part **L6238SQA** is a **three-phase brushless DC motor driver** manufactured by **STMicroelectronics**.  

### **Key Specifications:**  
- **Output Current:** Up to 5A peak (2.8A RMS)  
- **Supply Voltage Range:** 8V to 52V  
- **Integrated Power MOSFETs:** N-channel DMOS with RDS(on) of 0.3Ω (typical)  
- **PWM Control:** Supports up to 100kHz switching frequency  
- **Protection Features:**  
  - Overcurrent protection  
  - Thermal shutdown  
  - Undervoltage lockout (UVLO)  
- **Package:** PowerSO-20 (exposed pad for heat dissipation)  

### **Description & Features:**  
- Designed for driving **three-phase brushless DC motors** in applications like industrial automation, robotics, and automotive systems.  
- Includes a **built-in charge pump** for high-side gate driving.  
- Supports **sensorless operation** (back-EMF sensing) or Hall sensor-based commutation.  
- **Low-power standby mode** for energy efficiency.  
- **Cross-conduction protection** to prevent shoot-through currents.  

For detailed electrical characteristics and application circuits, refer to the **STMicroelectronics datasheet**.

Application Scenarios & Design Considerations

12V SENSORLESS SPINDLE MOTOR CONTROLLER

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