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L9909 from STM,ST Microelectronics

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L9909

Manufacturer: STM

DC MOTOR DRIVER WITH POSITION CONTROL

Partnumber Manufacturer Quantity Availability
L9909 STM 450 In Stock

Description and Introduction

DC MOTOR DRIVER WITH POSITION CONTROL Here are the factual details about part L9909 manufacturer STM specifications, descriptions, and features:  

### **Manufacturer:** STMicroelectronics (STM)  

### **Part Number:** L9909  

### **Description:**  
The L9909 is a **high-voltage, high-current power driver IC** designed for automotive applications, particularly for driving inductive loads such as solenoids, relays, and motors. It integrates multiple protection features and diagnostic capabilities.  

### **Key Features:**  
- **High-Voltage Capability:** Operates with a supply voltage up to **40V**.  
- **High-Current Output:** Capable of driving **up to 5A** (peak current).  
- **Integrated Protection Functions:**  
  - Overcurrent protection  
  - Overtemperature protection  
  - Short-circuit protection  
  - Undervoltage lockout (UVLO)  
- **Diagnostic Features:**  
  - Open-load detection  
  - Fault feedback signal  
- **Low Quiescent Current:** Optimized for energy efficiency.  
- **Wide Operating Temperature Range:** Suitable for automotive environments (typically **-40°C to +150°C**).  
- **Package:** Typically available in **PowerSSO-24** or similar high-power packages.  

### **Applications:**  
- Automotive solenoid and relay drivers  
- Motor control systems  
- Industrial automation  

### **Additional Notes:**  
- The L9909 is **AEC-Q100 qualified**, making it suitable for automotive applications.  
- It supports **PWM (Pulse-Width Modulation)** control for efficient power management.  

For exact electrical characteristics, pin configurations, and application circuits, refer to the official **STM datasheet for L9909**.

Partnumber Manufacturer Quantity Availability
L9909 ST 400 In Stock

Description and Introduction

DC MOTOR DRIVER WITH POSITION CONTROL Here is the factual information about part **L9909** from the manufacturer **STMicroelectronics**:

### **Specifications:**
- **Manufacturer:** STMicroelectronics  
- **Part Number:** L9909  
- **Type:** Automotive H-Bridge Motor Driver  
- **Operating Voltage Range:** 5.5V to 36V  
- **Output Current (Continuous):** Up to 5A  
- **Output Current (Peak):** Up to 7A  
- **Control Interface:** SPI (Serial Peripheral Interface)  
- **Protection Features:**  
  - Overcurrent protection  
  - Overtemperature protection  
  - Undervoltage lockout  
  - Short-circuit protection  
- **Package:** PowerSSO-36  

### **Descriptions:**
- The **L9909** is a high-performance H-bridge motor driver designed for automotive applications.  
- It integrates four power MOSFETs in an H-bridge configuration, enabling bidirectional control of DC motors.  
- The device supports **PWM (Pulse-Width Modulation)** for efficient motor speed control.  
- It includes diagnostic feedback via SPI for fault monitoring.  

### **Features:**
- **High Efficiency:** Low RDS(on) MOSFETs for reduced power dissipation.  
- **Flexible Control:** Supports **SPI** for configuration and diagnostics.  
- **Robust Protection:** Built-in safeguards for safe operation in harsh environments.  
- **Automotive-Grade:** Compliant with **AEC-Q100** standards for reliability in automotive systems.  

This information is based on STMicroelectronics' official documentation for the **L9909**.

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