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L9949 from STM,ST Microelectronics

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L9949

Manufacturer: STM

DOOR ACTUATOR DRIVER

Partnumber Manufacturer Quantity Availability
L9949 STM 14000 In Stock

Description and Introduction

DOOR ACTUATOR DRIVER Here are the factual details about part **L9949** from the manufacturer **STM (STMicroelectronics)**:

### **Specifications:**
- **Manufacturer:** STMicroelectronics (STM)  
- **Part Number:** L9949  
- **Type:** Automotive H-Bridge Motor Driver IC  
- **Operating Voltage Range:** 4.5V to 28V  
- **Output Current:** Up to 1.5A per channel (peak)  
- **Number of Channels:** Dual H-Bridge  
- **Control Interface:** SPI (Serial Peripheral Interface)  
- **Protection Features:**  
  - Overcurrent protection  
  - Thermal shutdown  
  - Undervoltage lockout (UVLO)  
  - Short-circuit protection  
- **Package:** PowerSSO-36  

### **Descriptions:**
The **L9949** is a dual H-Bridge motor driver designed for automotive applications. It provides bidirectional control for two DC motors or one stepper motor. The device integrates protection features to ensure safe operation in harsh automotive environments. Its SPI interface allows for precise control and diagnostics.

### **Features:**
- Dual H-Bridge configuration for driving two DC motors or one stepper motor  
- SPI-programmable control for flexibility  
- High efficiency with low RDS(on) MOSFETs  
- Integrated diagnostic feedback (fault detection)  
- AEC-Q100 qualified for automotive applications  
- Suitable for applications like power seats, mirrors, and HVAC actuators  

This information is based on STMicroelectronics' official documentation for the **L9949**. For exact performance characteristics, refer to the datasheet.

Application Scenarios & Design Considerations

DOOR ACTUATOR DRIVER

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