ADM1294-1AARUZ-RL7

Overview

The ADM1294-1AARUZ-RL7 is a digital power monitor featuring a PMBus interface, designed for -48V supply monitoring. It integrates an ADC and shunt regulator to measure voltage, current, and power with high accuracy. The device supports system health monitoring through programmable thresholds and fault logging. It operates within a wide input voltage range and provides detailed telemetry data via the standard PMBus protocol for integration into advanced power management systems.

Feature Summary

• Integrates a shunt regulator for powering and monitoring supplies across wide voltage ranges
• Provides digital telemetry for voltage, current, and power measurements via PMBus
• Supports programmable fault thresholds and event logging for system health monitoring

Applications

• -48V power supply monitoring in telecommunications infrastructure
• Advanced system health monitoring in industrial power systems
• Digital power management in server and storage applications

Procurement Notes

Verify the specific suffix (RL7) indicates tape and reel packaging when ordering. Confirm the AARUZ variant matches the required temperature grade and package dimensions for your PCB layout. Ensure compatibility with existing PMBus controller software stacks before finalizing procurement.

Selection Notes

Select this component for applications requiring precise digital monitoring of negative voltage rails. It is suitable where PMBus compliance is mandatory for centralized management. Consider thermal performance and shunt resistor selection for accurate current sensing. Verify that the 14-TSSOP package fits the available board space constraints.

Part Context

This part belongs to the ADM1294 family of digital power monitors from Analog Devices. These devices are engineered for high-accuracy measurement and control in demanding environments. The family offers various package options and interface configurations to suit different system complexity levels and form factor requirements.

Replacement Considerations

Check for ADM1294-1BARUZ-RL7 as a potential alternative if pinout or feature sets differ slightly. Verify cross-references with other -48V digital power monitors ensuring PMBus compatibility and similar accuracy specifications.