MC34704BEPR2

Power Management - Specialized Overview

The MC34704BEPR2 is a multi-channel power management integrated circuit (PMIC) from NXP Semiconductors, designed for multimedia application microprocessors. It operates on a single input supply of 2.7 V to 5.5 V and provides five independent DC/DC switching regulator outputs. The device supports dynamic voltage scaling across all regulators and features I²C programmability. It includes comprehensive protection mechanisms such as output overvoltage/undervoltage detection, overcurrent limiting, short-circuit protection, and thermal shutdown. The component is housed in a QFN-56 surface-mount package.

Power Management - Specialized Feature Summary

• Integrates five DC/DC buck switching regulators with ±2% output voltage accuracy
• Supports dynamic voltage scaling for efficient power management under varying loads
• Includes robust protection features like overcurrent, short-circuit, and thermal limit detection
• Enables system control via I²C interface with hardware input capabilities

Power Management - Specialized Applications

• Powering i.MX35 microcontrollers
• Powering i.MX37 microcontrollers
• Powering i.MX51 microcontrollers
• Portable devices powered by lithium batteries or USB sources

Power Management - Specialized Procurement Notes

Verify the specific suffix 'R2' against official documentation to confirm reel packaging specifications. Confirm current availability status as distribution channels may list this part as obsolete or end-of-life. Ensure compatibility with existing board designs regarding the QFN-56 footprint and moisture sensitivity levels before procurement.

Power Management - Specialized Selection Notes

Select this PMIC when designing systems based on Freescale/NXP i.MX35, i.MX37, or i.MX51 processors requiring multiple regulated rails. It is suitable for applications needing dynamic voltage scaling to optimize power consumption. Consider the QFN-56 package constraints and thermal requirements during layout. Verify that the required number of LDOs is sufficient, as this model focuses primarily on DC/DC conversion channels.

Power Management - Specialized Part Context

The MC34704 series belongs to NXP's specialized Power Management IC portfolio targeting high-end embedded multimedia applications. It serves as a companion chip for complex SoCs, consolidating multiple power stages into a single compact solution. This family emphasizes space efficiency through high-frequency operation and integrated compensation, reducing external component counts compared to discrete solutions.

Power Management - Specialized Replacement Considerations

Check for form-fit-function compatible alternatives within the NXP PMIC portfolio if this specific revision is unavailable. Verify pinout and register compatibility before substituting with other MC3470x variants.