LTC2970HUFD#PBF

Power Supply Controllers, Monitors Overview

The LTC2970HUFD#PBF is a dual-channel I²C power monitor and margin controller manufactured by Analog Devices Inc. It integrates a 14-bit ΔΣ ADC with an on-chip low-drift reference for precise measurement of voltage, current, and temperature. The device features two buffered 8-bit IDACs for high-accuracy DC/DC converter output adjustment. It operates within a -40°C to +85°C temperature range and utilizes a 24-pin QFN package.

Power Supply Controllers, Monitors Feature Summary

• Dual-channel digital power monitoring with integrated 14-bit ADC
• Two buffered 8-bit IDACs for precise voltage margining
• SMBus-compatible I²C interface for system communication
• Configurable fault management with ALERT signaling

Power Supply Controllers, Monitors Applications

• High-availability server power systems
• Telecommunications equipment power management
• Network infrastructure board-level power control
• Digital power management in distributed architectures

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix HUFD against official documentation to confirm the extended temperature rating and performance grade. Confirm package type and pinout compatibility with the target PCB footprint. Check current availability status as supply may be restricted. Ensure the I²C address configuration matches the system design requirements.

Power Supply Controllers, Monitors Selection Notes

Select this component when precise dual-rail monitoring and active margining are required. The integrated ADC eliminates the need for external precision converters. The buffered IDACs simplify feedback loop integration. Verify that the I²C bus speed and addressing scheme align with the host controller specifications.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC2970 family of power management ICs designed for digital power applications. It replaces complex multi-chip solutions by combining monitoring, control, and communication functions into a single compact package. The family targets industries requiring rigorous power integrity and remote management capabilities.

Power Supply Controllers, Monitors Replacement Considerations

LTC2970IUFD#PBF is a verified alternative within the same product family offering similar functionality.