MP5414DV-LF-Z

Overview

The MP5414DV-LF-Z is a fully integrated power management unit (PMU) designed for battery-powered applications. It integrates a current-mode boost converter, four SPDT switches, and a battery charger. The device supports low start-up voltage of 1.8V with an input range of 1.8V to 5.5V. It operates within a temperature range of -40°C to +125°C in a 28-pin QFN package.

Feature Summary

• Integrates a high-efficiency boost converter, four single-pole double-throw switches, and a battery charger into a single chip.
• Features a low 1.8V start-up voltage and variable frequency control to optimize efficiency and minimize external component size.
• Includes a low-dropout linear regulator with high PSRR and adjustable output voltage precision.
• Provides comprehensive protection features including soft-start, surge current limiting, and input under-voltage lockout.

Applications

• Handheld mobile devices
• Battery-powered portable electronics
• Single-cell lithium-ion or NiCd/NiMH battery systems

Procurement Notes

Verify the specific suffix 'DV' indicates the 28 VFQFN exposed pad package configuration. Confirm RoHS compliance status through official manufacturer documentation. Check for end-of-life notifications as availability may vary. Ensure the ordering part number matches the required tape and reel specifications for surface mount assembly processes.

Selection Notes

Select this component when space constraints require integrating multiple power functions. It is suitable for designs needing efficient boost conversion from low input voltages. The inclusion of SPDT switches reduces the need for external switching components. Consider the thermal performance requirements associated with the QFN-28 package layout.

Part Context

This part belongs to the Monolithic Power Systems PMIC family. It combines power conversion and management capabilities. The device targets compact mobile applications. It replaces discrete solutions containing separate regulators, switches, and chargers. The integration simplifies board design and reduces overall system cost.

Replacement Considerations

MP5414DV-LF-P is a direct substitute offering identical functionality. Verify pin compatibility and package dimensions before substitution. Ensure thermal characteristics match the original design requirements. Confirm that any packaging differences do not impact the assembly process.

FAQ

What is the maximum input voltage for the boost converter?

The boost converter supports an input voltage range up to 5.5V.

Does the device include internal protection mechanisms?

Yes, it includes internal soft-start, surge current limiting, and input under-voltage lockout.

How many SPDT switches are integrated?

The device integrates four single-pole double-throw (SPDT) switches.