Manufacturer Part Number
L9945
Manufacturer
STMicroelectronics
Introduction
The L9945 is a highly integrated power management integrated circuit (PMIC) specifically designed for automotive applications. It provides a comprehensive set of power management functions, enabling efficient and reliable power supply in demanding automotive environments.
Product Features and Performance
Wide input voltage range: 3.8V to 5.5V or 4.5V to 36V
Integrated high-side and low-side MOSFET drivers for controlling external power switches
Configurable PWM controller for various power supply topologies
Comprehensive protection features including overvoltage, overcurrent, and thermal protection
Automotive-grade qualification (AEC-Q100)
Compact 64-TQFP Exposed Pad package
Product Advantages
Robust and reliable performance in harsh automotive environments
Flexible power supply architecture supports multiple power rail requirements
Comprehensive protection features ensure system safety and reliability
Compact package design optimizes board space utilization
Key Reasons to Choose This Product
Automotive-grade reliability and qualification for mission-critical applications
Versatile power management capabilities to handle diverse power supply needs
Efficient power conversion and distribution for improved system efficiency
Robust protection features safeguard the system against potential failures
Quality and Safety Features
AEC-Q100 qualified for automotive applications
Integrated protection against overvoltage, overcurrent, and thermal events
Rigorous quality control and testing processes ensure consistent performance
Compatibility
The L9945 is compatible with a wide range of automotive systems and can be used in various applications, including:
Engine control units (ECUs)
Body control modules
Lighting systems
Infotainment systems
Power distribution networks
Application Areas
Automotive electronics
Industrial control systems
Machinery and equipment with demanding power requirements
Product Lifecycle
The L9945 is an active product, and STMicroelectronics continues to support and manufacture it. There are no direct equivalent or alternative models available from STMicroelectronics at this time. For the latest information or to inquire about the product's availability, please contact our sales team through our website.