LTC2974IUP#WTRPBF

Power Supply Controllers, Monitors Overview

The LTC2974IUP#WTRPBF is a quad digital power supply manager from Analog Devices, designed for comprehensive power system monitoring and control. It features an integrated I2C interface for communication with host processors. The device supports high-side or low-side current sensing across four independent channels. It operates within a supply voltage range of 3.13 V to 15 V and consumes a typical operating supply current of 10 mA. The component is rated for industrial temperatures from -40°C to +105°C and is housed in a 64-lead QFN package.

Power Supply Controllers, Monitors Feature Summary

• Provides digital monitoring and management capabilities for up to four independent power rails simultaneously.
• Integrates an I2C serial interface to facilitate configuration, data retrieval, and system control by a central processor.
• Supports flexible current sensing configurations using either high-side or low-side measurement techniques.

Power Supply Controllers, Monitors Applications

• Multi-rail server and storage system power distribution
• Telecommunications infrastructure power management
• Industrial equipment power subsystem monitoring

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'WTRPBF' against official Analog Devices documentation to confirm tape-and-reel packaging specifications and quantity per reel. Ensure the part number matches the exact electrical grade and package variant required for the design. Cross-reference with authorized distributors to confirm availability status and lead times prior to procurement planning.

Power Supply Controllers, Monitors Selection Notes

Select this component when a design requires centralized digital oversight of multiple power domains via a standard serial interface. It is suitable for applications needing precise current and voltage monitoring without external microcontrollers for each rail. Consider the 64-QFN footprint and thermal requirements during PCB layout. Validate that the I2C address configuration meets the system's addressing constraints.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC297x family of digital power system managers, which are engineered to replace traditional analog monitoring solutions. The family offers enhanced visibility into power system health through detailed register-based data access. These devices streamline development by providing built-in algorithms for fault detection and system protection.

Power Supply Controllers, Monitors Replacement Considerations

LTC2974IUP#PBF

Power Supply Controllers, Monitors FAQ

What is the maximum supply voltage for the LTC2974?

The maximum supply voltage is 15 V.

Does the LTC2974 support low-side current sensing?

Yes, the device supports both high-side and low-side current sensing configurations.