PM6776

Overview

The PM6776 is a high-performance digital dual controller designed to power Intel VR13 processors. It features a 48-VFQFPN package and supports programmable parameters via PMBus. The device integrates a 25 MHz clock for precise voltage regulation, ensuring compliance with strict processor power requirements.

Feature Summary

• Digital dual controller architecture optimized for Intel VR13 processor power delivery
• Programmable control interface utilizing PMBus protocol for dynamic parameter adjustment
• Integrated 25 MHz clock frequency for accurate multiphase synchronization

Applications

• Intel VR13 compliant microprocessor voltage regulation
• High-performance server CPU power stages
• Workstation mainboard power distribution networks

Procurement Notes

Verify the specific ordering suffix against the official STMicroelectronics datasheet to confirm package type and temperature range. Ensure compatibility with the target Intel processor's VR13 specification before procurement. Cross-reference the component marking code with manufacturer documentation to authenticate the source.

Selection Notes

Select this component when designing for Intel VR13 architecture requiring digital control precision. The integrated PMBus interface allows for system-level monitoring and adaptive voltage scaling. Consider the 48-VFQFPN footprint constraints during PCB layout planning to ensure adequate thermal dissipation and signal integrity.

Part Context

This part belongs to STMicroelectronics' series of PMICs targeting high-end computing applications. It serves as a critical control element in modern multi-core processor power systems, replacing older analog controllers with digitally managed solutions for improved efficiency and diagnostic capabilities.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pin-to-pin compatibility and software configuration equivalence if considering alternative vendors for supply chain resilience.