ADM1069ACPZ-REEL

Supervisors Overview

The ADM1069ACPZ-REEL is a Super Sequencer integrated circuit manufactured by Analog Devices Inc., designed for supply monitoring and sequencing in multiple power systems. It integrates an 8-input supervisory system, a 12-bit ADC, and four 8-bit DACs to enable closed-loop margining. The device supports up to 14.4 V on the VH pin and 6 V on VP inputs. It features a programmable sequencing engine with eight driver outputs (PDO1-PDO8) capable of open-collector, push-pull, or high-drive configurations. Key electrical parameters include a reset delay of 400 ms, a maximum operating voltage of 14.4 V, and an operating current of 4.2 mA. Accuracy is specified at 0.5% at 25°C and less than 1.0% across temperature ranges.

Supervisors Feature Summary

• Integrates a 12-bit analog-to-digital converter and four 8-bit digital-to-analog converters to implement closed-loop voltage margining systems.
• Features a configurable sequencing engine that implements state machine control over eight programmable driver outputs based on input events.
• Provides complete supervision for up to eight supplies with selectable input attenuators allowing monitoring of voltages up to 14.4 V.
• Supports software-controlled sequencing via SMBus and includes watchdog functionality integrated within the sequencing engine.

Supervisors Applications

• Supply monitoring and sequencing in complex multi-supply electronic systems
• Closed-loop voltage margining for DC-to-DC converter feedback nodes or references
• Programmable power-up and power-down sequence control for board-level management

Supervisors Procurement Notes

Verify the specific suffix 'REEL' indicates tape-and-reel packaging when ordering. Confirm the LFCSP-40 package compatibility with your PCB footprint. Ensure the 14.4 V maximum rating aligns with your system's VH pin requirements. Check for humidity sensitivity handling during storage and assembly. Validate that the 4.2 mA operating current fits your power budget constraints.

Supervisors Selection Notes

Select this component if your design requires simultaneous supervision of up to eight rails with high accuracy. Consider the integrated ADC and DAC capabilities if active voltage margining is needed rather than simple threshold detection. Evaluate the eight programmable driver outputs against your gate drive requirements for external N-FETs. Verify that SMBus interface support meets your control architecture needs.

Supervisors Part Context

The ADM1069 belongs to the Super Sequencer family from Analog Devices, which combines supervisory circuits with sequencing logic. Unlike simpler supervisors, it offers advanced margining features through its internal DACs and ADC. The ACPZ variant denotes the lead-free LFCSP-40 package. This part serves as a central controller for power management sequences in demanding applications.

Supervisors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.