Manufacturer Part Number
L9822EPD
Manufacturer
stmicroelectronics
Introduction
The L9822EPD is a power management integrated circuit designed for controlling power distribution in automotive and industrial applications. It serves as a relay and solenoid driver with an SPI interface.
Product Features and Performance
Integrated SPI interface for enhanced control and diagnostics
8 output channels for multi-load management
Low side output configuration supports direct control
Features status flag for monitoring system status
Current limiting for fault protection adds safety during operation
Operation compatible from 4.5V to 5.5V load voltage range
Supports extremely hot and cold environments with operating temperatures from -40°C to 150°C
Product Advantages
Compact design with surface mounting technology
Increased reliability and longevity with fixed current limiting feature
Simplified system monitoring through built-in status flag
Efficient power management in harsh temperature conditions
Key Technical Parameters
Number of Outputs: 8
Output Configuration: Low Side
Voltage Load: 4.5V ~ 5.5V
Rds On (Typ): 550mOhm
Operating Temperature: -40°C ~ 150°C (TJ)
Mounting Type: Surface Mount
Fault Protection: Current Limiting (Fixed)
Quality and Safety Features
Current limiting (Fixed) to protect against overload
High thermal threshold for operation in various environments
Surface mount package for robust physical assembly
Compatibility
SPI interface compatible with a broad range of controllers and processors
Application Areas
Automotive power distribution
Industrial load driving
Product Lifecycle
Status: Active
No indications of discontinuation, ensuring long-term availability and support
Several Key Reasons to Choose This Product
Versatile load voltage range compatible with common system voltages
Multi-channel output facilitates control over multiple devices
Embedded fault protection enhances safety and reliability
Durable construction suitable for harsh industrial applications
SPI interface allows for sophisticated control and diagnostics capabilities