NCT7802Y

Overview

The NCT7802Y is a hardware monitoring IC designed for CPU and GPU power management. It features a PECI 3.0 interface, operates on a 5V input supply, and supports three smart fan read/control channels compatible with PWM and DC signals. The device includes four temperature sensors and provides comprehensive monitoring capabilities within a Green QFN-20 package.

Feature Summary

• Supports PECI 3.0 interface for processor communication
• Provides three smart fan control channels with PWM/DC compatibility
• Integrates four temperature measurement channels
• Designed for professional CPU/GPU hardware monitoring

Applications

• CPU hardware monitoring
• GPU hardware monitoring
• Professional power management systems

Procurement Notes

Verify the specific ordering suffix against official documentation to ensure correct package type and temperature range. Confirm that the required interface protocols match the system design specifications before procurement. Check for any specific environmental certifications required for the target application environment.

Selection Notes

Select this component when PECI 3.0 integration is required for processor monitoring. Ensure the system design accommodates the QFN-20 surface mount package. Verify that the 5V input voltage requirement aligns with the available power rails in the target platform architecture.

Part Context

This part belongs to Nuvoton's specialized PMIC line focused on hardware monitoring. It addresses the need for precise thermal and fan management in high-performance computing environments where direct processor communication via PECI is necessary for accurate status reporting.

Replacement Considerations

Consult official substitution lists for verified alternatives. Ensure pin compatibility and register map alignment if replacing existing designs with similar monitoring functions from other manufacturers or different Nuvoton series.

FAQ

What interface protocol does the NCT7802Y support?

The NCT7802Y supports the PECI 3.0 interface for communication with processors.

How many fan control channels are available?

The device provides three smart fan read/control channels that support both PWM and DC signal types.