Manufacturer Part Number
BD81A44EFV-ME2
Manufacturer
rohm-semi
Introduction
The BD81A44EFV-ME2 is a highly integrated, multi-channel, step-down/step-up DC-DC controller IC from ROHM Semiconductor. It is designed for LED driver applications, providing up to 4 independent output channels with adjustable current settings.
Product Features and Performance
Supports input voltages from 4.5V to 35V
Provides 4 independently controlled output channels
Each channel can deliver up to 120mA of LED current
Adjustable switching frequency from 200kHz to 2.2MHz
Built-in PWM dimming function for LED brightness control
Integrated power switches, eliminating the need for external MOSFETs
Thermal shutdown and overcurrent protection features
Product Advantages
Highly integrated design reduces component count and simplifies the power supply circuitry
Wide input voltage range and multi-channel output enable flexibility in LED driver applications
High-frequency switching and PWM dimming provide efficient and flicker-free LED control
Robust protection features ensure reliable and safe operation
Key Reasons to Choose This Product
Optimized for LED driver applications, providing a compact and efficient solution
Versatile input voltage range and multiple output channels meet diverse design requirements
Advanced protection features ensure reliable operation in demanding environments
Automotive-grade qualification (AEC-Q100) makes it suitable for automotive lighting systems
Quality and Safety Features
Automotive-grade qualification (AEC-Q100)
Integrated thermal shutdown and overcurrent protection
Compatibility
The BD81A44EFV-ME2 is compatible with a wide range of LED-based lighting applications, including automotive lighting, indoor/outdoor lighting, and general illumination systems.
Application Areas
Automotive lighting (headlights, taillights, daytime running lights, etc.)
General LED-based lighting applications (indoor, outdoor, and industrial lighting)
Architectural and decorative lighting
Product Lifecycle
The BD81A44EFV-ME2 is an active product, and there are no immediate plans for discontinuation. ROHM Semiconductor may release updated or alternative models in the future. For the latest product information and availability, please contact our website's sales team.