LM3880QMF-1AD/NOPB

Power Supply Controllers, Monitors Overview

The LM3880QMF-1AD/NOPB is an automotive-grade simple power sequencer manufactured by Texas Instruments. It monitors three input voltages and features a fixed reset delay time of 16 ms with a threshold voltage of 1.25 V. The device operates within a supply voltage range of 2.7 V to 5.5 V and consumes a typical operating supply current of 25 µA. It provides open-drain outputs and lacks manual reset or watchdog timer functions. Accuracy is specified at 20%. It is qualified under AEC-Q100 standards and housed in a SOT-23-6 package, supporting operation from -40°C to +125°C.

Power Supply Controllers, Monitors Feature Summary

• Monitors up to three independent input voltages for sequential power management
• Provides a fixed internal reset delay time for controlled power sequencing
• Operates with low quiescent current suitable for battery-powered applications
• Qualified for automotive environments meeting AEC-Q100 reliability standards

Power Supply Controllers, Monitors Applications

• Automotive electronic control unit power sequencing
• Multi-rail power supply monitoring in vehicle systems
• Simple power sequence generation for embedded automotive modules

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix code against official Texas Instruments documentation to confirm exact pinout and electrical characteristics. Ensure the component meets AEC-Q100 requirements for your target automotive application. Cross-reference the datasheet revision date to validate parameter accuracy before integration into design specifications.

Power Supply Controllers, Monitors Selection Notes

Select this component when a fixed-delay, three-channel power sequencer is required for automotive designs. Consider the 1.25 V threshold and 16 ms delay as primary constraints. Evaluate the 20% accuracy specification against system tolerance requirements. Confirm compatibility with the SOT-23-6 footprint and surface-mount assembly process.

Power Supply Controllers, Monitors Part Context

This part belongs to the LM3880 series of supervisory circuits designed for power management. It serves as a simplified solution for monitoring multiple rails without complex programming. The automotive grade variant ensures robustness in harsh electromagnetic and thermal environments typical of modern vehicles.

Power Supply Controllers, Monitors Replacement Considerations

LM3880QMF-1AB/NOPB and LM3880QMFE-1AE/NOPB are related variants within the same family. Verify functional equivalence regarding channel count and delay times before substitution.