MP4651ES-LF

Overview

The MP4651ES-LF is an offline half-bridge LLC WLED controller from Monolithic Power Systems. It operates within a supply voltage range of 9 V to 30 V and supports a switching frequency of 50 kHz. The device provides one output channel capable of driving up to 2 A. It is housed in a SOIC-16 package and functions reliably between -20°C and +85°C. Designed for LED lighting applications, it incorporates PWM dimming capabilities.

Feature Summary

• Integrates half-bridge LLC resonant control topology for efficient power conversion
• Supports pulse-width modulation (PWM) dimming for brightness control
• Features integrated power MOSFET technology for compact design

Applications

• General LED lighting systems
• WLED backlight controllers
• Offline AC/DC LED drivers

Procurement Notes

Verify the specific suffix (LF or Z) against the official datasheet to confirm packaging details such as reel specifications. Confirm that the component status remains acceptable for current designs, as this series may be marked as Not Recommended for New Designs (NRND). Ensure compatibility with required thermal management for the SOIC-16 package.

Selection Notes

Select this component for applications requiring a single-channel LED driver with integrated LLC control. Verify that the input voltage range of 9 V to 30 V aligns with the system requirements. Consider the operating temperature limits of -20°C to +85°C for environmental suitability. Check if the 2 A output current meets the load demands.

Part Context

This part belongs to the MP4651 series of LED lighting driver ICs manufactured by Monolithic Power Systems. It is categorized under offline LED drivers designed for high-efficiency lighting solutions. The series focuses on integrating control and power stages to simplify circuit design for general illumination purposes.

Replacement Considerations

Official documentation recommends the MP4653 for new designs. Verify pinout and electrical parameter compatibility before substituting.