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L9951 from ST,ST Microelectronics

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15.625ms

L9951

Manufacturer: ST

DOOR ACTUATOR DRIVER

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.

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**.

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