ADM1278-1ACPZ

Overview

The ADM1278-1ACPZ is a low-voltage positive hot swap controller with integrated power monitoring, manufactured by Analog Devices Inc. It operates within a supply voltage range of 4.5 V to 20 V and features a single channel. The device utilizes a 32-LFCSP (5x5 mm) surface-mount package. Key electrical parameters include a maximum operating temperature of +85 °C and a minimum of -40 °C. It incorporates programmable current limiting, fault timeout, overvoltage protection, and slew rate control.

Feature Summary

• Integrates PMBus interface for digital communication and real-time power monitoring
• Provides precise hardware-based protection against overcurrent, overvoltage, and thermal faults
• Supports automatic retry or latching modes for fault recovery management

Applications

• Server blade insertion and removal systems
• Telecommunications equipment power distribution
• Data communication infrastructure power budgeting

Procurement Notes

Verify the specific suffix configuration against the official datasheet to ensure compatibility with required packaging and environmental ratings. Confirm that the component meets all necessary regulatory standards for the intended deployment environment before finalizing procurement decisions.

Selection Notes

Select this component when precise digital power monitoring via PMBus is required alongside robust hot swap capabilities. Ensure the system design accommodates the 32-lead LFCSP footprint and that the 4.5 V to 20 V input range aligns with the target bus voltage specifications.

Part Context

This part belongs to the ADM1278 series of hot swap controllers designed for low-voltage applications. It serves as a direct replacement for the ADM1278 in designs requiring integrated power measurement and digital control interfaces for enhanced system visibility and protection.

Replacement Considerations

The ADM1281-1ACPZ-RL is a confirmed public substitute for this discontinued part number.