MPQ1542DK-LF-P

Voltage Regulators - DC DC Switching Regulators Overview

The MPQ1542DK-LF-P is an automotive-grade, current-mode step-up converter from Monolithic Power Systems. It features a 2A internal switch and supports adjustable output voltages between 3V and 22V. The device operates with selectable switching frequencies of 700kHz or 1.3MHz. It accepts input voltages from 2.5V to 22V and functions within a junction temperature range of -40°C to 125°C. Packaged in an 8-MSOP format, it is designed for high-efficiency DC-DC conversion in demanding environments.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification ensuring reliability for vehicle applications
• Selectable switching frequency for optimized efficiency and component size
• Integrated 2A power switch for compact solution design
• Current-mode control architecture for fast transient response

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Vehicle lighting circuits
• Industrial sensor power supplies
• Battery-powered equipment requiring voltage boosting

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'LF-P' corresponds to the tape-and-reel packaging configuration required for your assembly line. Confirm that the automotive grade designation aligns with your system's environmental specifications. Ensure compatibility with the 8-MSOP footprint during PCB layout. Cross-reference the datasheet revision date to confirm technical parameters match your design requirements before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when automotive reliability standards are mandatory for a boost converter application. The dual-frequency option allows designers to balance electromagnetic interference against external inductor size. The wide input voltage range accommodates various battery types. Consider the thermal performance within the 8-MSOP package if high ambient temperatures are expected in the final enclosure design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MPQ1542 series, which distinguishes itself from standard industrial parts through automotive qualification. The 'DK' indicates the MSOP-8 package variant. The 'LF' denotes lead-free composition compliant with environmental directives. This series provides a robust solution for applications requiring higher durability than standard commercial grade components.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

MP1542DK-LF-P serves as the non-automotive industrial equivalent. Verify that the reduced operating temperature range (-40°C to 85°C) of the MP1542 variant meets your specific environmental needs. Pinout compatibility remains consistent, allowing for potential board-level swaps if thermal margins allow.