MP1518DJE-LF-P

LED Driver IC Overview

The MP1518DJE-LF-P is a boost converter IC designed to drive up to six series-connected white LEDs from a single-cell lithium-ion battery. It operates within an input voltage range of 2.5 V to 6 V and delivers a switch current of 350 mA. The device features a fixed switching frequency of 1.3 MHz and supports PWM dimming. It utilizes a low feedback voltage of 104 mV to enhance efficiency. The component is housed in a TSOT-23-6 package and functions across a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates a power MOSFET for driving multiple series white LEDs
• Supports PWM dimming with open LED protection
• Includes comprehensive protection against overvoltage, overcurrent, and thermal overload

LED Driver IC Applications

• Mobile phone backlighting
• Portable electronic device illumination
• Single-cell lithium-ion battery powered LED systems

LED Driver IC Procurement Notes

Verify the suffix 'P' indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation. Ensure the specific lot date code aligns with project requirements. Cross-reference the exact part number with authorized distributors to avoid counterfeit components. Validate that the TSOT-23-6 footprint matches the design schematic.

LED Driver IC Selection Notes

Select this component for applications requiring high efficiency in space-constrained designs. The integrated MOSFET reduces external component count compared to discrete solutions. The wide operating temperature range suits harsh environments. Consider the 1.3 MHz frequency for minimizing passive component size. Verify that the 350 mA output current meets the LED string requirements.

LED Driver IC Part Context

This part belongs to the MP1518 family of WLED drivers from Monolithic Power Systems. It shares core functionality with variants like MP1518DG and MP1518DJ but differs in packaging. The JE suffix denotes the TSOT-23-6 package, while DG indicates QFN-8. All variants share the same internal circuitry and electrical specifications.

LED Driver IC Replacement Considerations

MP1518DJE-LF-Z serves as a direct substitute with identical electrical characteristics but in reel packaging. MP1518DG-LF-P offers the same performance in an 8-pin QFN package, requiring PCB layout adjustments. Verify pin compatibility before substituting packages.