LM3880MFE-1AA/NOPB

Power Supply Controllers, Monitors Overview

The LM3880MFE-1AA/NOPB is an automotive-grade simple power sequencer manufactured by Texas Instruments. It monitors three input rails and features a fixed time delay for reset operations. The device operates within a supply voltage range of 2.7V to 5.5V and consumes a typical supply current of 25µA. It is housed in a SOT-23-6 surface-mount package and is qualified under AEC-Q100 standards. The component functions reliably across an extended temperature range from -40°C to +125°C, providing stable sequencing for multi-rail power systems without requiring manual reset or watchdog timer functionality.

Power Supply Controllers, Monitors Feature Summary

• Monitors up to three independent input rails for power sequence control
• Provides fixed time delay for reset signal generation
• Automotive grade qualification ensures reliability in vehicle applications
• Low quiescent current consumption supports energy-efficient designs

Power Supply Controllers, Monitors Applications

• Multi-rail power sequencing in automotive electronic control units
• Power management for embedded systems requiring strict startup sequences
• Supervisory circuits for FPGA or microprocessor power domains

Power Supply Controllers, Monitors Procurement Notes

Verify the exact suffix against the manufacturer's official documentation to ensure correct pinout and functional configuration. Confirm that the AEC-Q100 qualification aligns with specific automotive project requirements. Check for any recent product change notifications regarding marking or packaging updates. Ensure compatibility with the target PCB footprint and soldering profile for the SOT-23-6 package.

Power Supply Controllers, Monitors Selection Notes

Select this component when a fixed-delay, three-rail sequencer is required for automotive environments. Consider the low supply current and wide operating temperature range as key advantages. Evaluate if the open-drain output type meets the interface requirements of the downstream logic. Compare against other LM3880 variants if adjustable delays or additional monitoring channels are needed.

Power Supply Controllers, Monitors Part Context

This part belongs to the LM3880 family of simple power sequencers designed for monitoring multiple voltage rails. It is specifically tailored for automotive applications due to its AEC-Q100 qualification. The device simplifies power-up and power-down sequences by automatically managing reset signals based on monitored rail voltages and internal timing.

Power Supply Controllers, Monitors Replacement Considerations

LM3880QMFE-1AA/NOPB