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ADM1275-3ARQZ-R7

ADM1275-3ARQZ-R7 Description

The ADM1275-3ARQZ-R7 from Analog Devices Inc. is a high-performance hot swap controller and monitor designed for general-purpose applications. Packaged in a compact 20QSOP and delivered in Tape & Reel (TR), this ROHS3-compliant device operates over a 2.95V to 20V supply range with a 5 mA supply current. It integrates PMBus support for digital communication, enabling precise configuration and real-time monitoring of power parameters. The ADM1275-3ARQZ-R7 is REACH unaffected and features a Moisture Sensitivity Level (MSL) of 1 (Unlimited), ensuring reliability in diverse environments.

ADM1275-3ARQZ-R7 Features

• Single-channel hot swap controller with no internal switches, allowing flexibility in external FET selection.
• Programmable features including Auto Retry, Current Limit, Fault Timeout, Latched Fault, OVP (Overvoltage Protection), and UVLO (Undervoltage Lockout) for robust system protection.
• PMBus compatibility for digital control and telemetry, simplifying power management in complex systems.
• Wide 2.95V–20V operating range, suitable for 12V/5V/3.3V power rails.
• Surface-mount design with Tape & Reel packaging, optimized for automated assembly.
• Low 5 mA supply current, minimizing power overhead.

ADM1275-3ARQZ-R7 Applications

• Server/Data Center Power Systems: Ensures safe hot-swapping of boards in high-availability environments.
• Industrial Control Systems: Protects against inrush currents and voltage transients in PLCs and motor drives.
• Telecommunications Equipment: Enables reliable power cycling in base stations and networking hardware.
• Enterprise Storage: Safeguards HDD/SSD backplanes during live insertion.
• General-Purpose Power Distribution: Ideal for any application requiring controlled power sequencing and fault management.

Conclusion of ADM1275-3ARQZ-R7

The ADM1275-3ARQZ-R7 stands out for its PMBus programmability, wide voltage range, and comprehensive protection features, making it a versatile solution for modern power systems. Its lack of internal switches allows designers to tailor FET selection for specific current requirements, while digital monitoring enhances system diagnostics. Whether in data centers, industrial setups, or telecom infrastructure, this hot swap controller delivers reliability, flexibility, and precision, solidifying its position as a top choice for engineers.