MP5496GR-0001-Z

Overview

The MP5496GR-0001-Z is a specialized power management integrated circuit (PMIC) from Monolithic Power Systems, housed in a QFN-28 package. It operates within an input voltage range of 2.8 V to 5.5 V and features four synchronous buck converters with output currents of 4.5 A, 2.5 A, 4 A, and 2 A respectively. The device integrates five low-dropout regulators (LDOs). System configuration is managed via I2C interface and one-time programmable memory. The IC supports a switching frequency of 1.5 MHz and maintains operation across a temperature range of -40°C to +125°C.

Feature Summary

• Integrates four independent synchronous buck converters with distinct current ratings for multi-rail power distribution.
• Includes five linear regulators providing stable auxiliary power supplies alongside the switching outputs.
• Enables flexible system configuration through digital control interfaces and non-volatile memory settings.

Applications

• Portable electronic devices requiring multiple regulated voltage rails
• Embedded systems with complex power sequencing requirements
• Industrial applications utilizing I2C-configurable power architectures

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact factory programming and configuration parameters. Ensure compatibility with the target PCB footprint and thermal design specifications. Cross-reference the datasheet revision history to validate feature availability and electrical characteristics prior to finalizing component selection.

Selection Notes

Select this PMIC when a single solution is required to generate multiple voltage levels efficiently. The combination of high-current buck stages and LDOs reduces component count compared to discrete designs. Consider the I2C configurability for dynamic power management needs and verify that the QFN-28 package meets the spatial constraints of the intended application layout.

Part Context

This component belongs to the MP5496 series of professional power management ICs designed for space-constrained applications. It consolidates multiple regulation functions into a single chip, replacing several individual voltage regulators. The series emphasizes efficiency and flexibility through digital control options, catering to modern portable and embedded electronics.

Replacement Considerations

Consult official substitution lists for verified alternatives. Generic replacements may not match the specific current ratings or digital configuration capabilities of the original part.