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L9951 from STM,ST Microelectronics

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L9951

Manufacturer: STM

DOOR ACTUATOR DRIVER

Partnumber Manufacturer Quantity Availability
L9951 STM 10560 In Stock

Description and Introduction

DOOR ACTUATOR DRIVER Here are the factual details about part **L9951** from the manufacturer **STM (STMicroelectronics)**:

### **Specifications:**
- **Manufacturer:** STMicroelectronics (STM)  
- **Part Number:** L9951  
- **Type:** Dual Full-Bridge PWM Motor Driver  
- **Operating Voltage Range:** 5.5V to 36V  
- **Output Current:** Up to 1.5A per channel (peak)  
- **Number of Channels:** 2 (Dual H-Bridge)  
- **Control Interface:** SPI (Serial Peripheral Interface)  
- **Protection Features:** Overcurrent, Overtemperature, Undervoltage Lockout (UVLO)  
- **Package:** PowerSSO-36  

### **Descriptions:**
- The **L9951** is a dual full-bridge driver designed for DC motor control applications.  
- It integrates two independent H-bridges capable of driving two DC motors or a single bipolar stepper motor.  
- The device is controlled via an SPI interface, allowing precise PWM control and diagnostics.  
- It is suitable for automotive and industrial applications due to its robust protection features.  

### **Features:**
- Dual H-Bridge configuration for bidirectional motor control.  
- SPI-programmable PWM frequency and current regulation.  
- Integrated diagnostics (fault detection and reporting).  
- Low standby current consumption.  
- High efficiency with synchronous rectification.  
- Thermal shutdown and overcurrent protection.  

For exact technical details, always refer to the official **STM datasheet** for the **L9951**.

Partnumber Manufacturer Quantity Availability
L9951 ST 6900 In Stock

Description and Introduction

DOOR ACTUATOR DRIVER **Part L9951 Manufacturer: STMicroelectronics**  

### **Specifications:**  
- **Manufacturer:** STMicroelectronics  
- **Type:** Dual Full-Bridge Driver  
- **Operating Voltage:** 5.5V to 36V  
- **Output Current:** Up to 1.5A per channel  
- **Number of Channels:** 2 (Dual Full-Bridge)  
- **Logic Input Voltage:** 3.3V / 5V compatible  
- **Protection Features:** Overcurrent, Overtemperature, Undervoltage Lockout (UVLO)  
- **Package:** PowerSO-20  

### **Descriptions:**  
The **L9951** is a dual full-bridge driver designed for automotive and industrial applications. It provides high-efficiency driving for DC motors, solenoids, and other inductive loads. The device integrates protection features for reliable operation in harsh environments.  

### **Features:**  
- Dual independent full-bridge drivers  
- PWM capability for speed/position control  
- Low standby current consumption  
- Integrated diagnostics and fault reporting  
- Compatible with microcontroller interfaces  
- AEC-Q100 qualified (for automotive applications)  

This information is based on STMicroelectronics' official documentation for the L9951.

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