LM3880QMF-1AC/NOPB

Power Supply Controllers, Monitors Overview

The LM3880QMF-1AC/NOPB is an automotive-grade simple power sequencer manufactured by Texas Instruments. It monitors three input voltages and provides open-drain outputs for sequencing or monitoring functions. The device operates within a supply voltage range of 2.7 V to 5.5 V and draws a typical supply current of 25 µA. It is housed in a compact SOT-23-6 package and is qualified under AEC-Q100 standards. The component supports an operating temperature range from -40°C to +125°C, ensuring reliability in demanding automotive environments.

Power Supply Controllers, Monitors Feature Summary

• Automotive-grade qualification compliant with AEC-Q100 standards for reliable operation in vehicle applications
• Monitors up to three independent input voltages with fixed time delay sequencing capabilities
• Low power consumption with a typical supply current of 25 µA for efficient energy management
• Open-drain output configuration allows flexible interfacing with various logic levels

Power Supply Controllers, Monitors Applications

• Power supply sequencing in automotive electronic control units
• Voltage monitoring for critical subsystems in vehicles
• Simple power management in compact automotive modules

Power Supply Controllers, Monitors Procurement Notes

Verify the complete part number including suffixes such as NOPB and AC to ensure correct packaging and temperature grade. Confirm AEC-Q100 qualification status if required for specific automotive safety standards. Check datasheet revisions for any updates to electrical characteristics or pin configurations before finalizing procurement specifications.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing automotive systems requiring a low-pin-count solution for monitoring multiple rails. The SOT-23-6 package is suitable for space-constrained PCB layouts. Ensure the monitored voltages fall within the specified operating range and that the open-drain outputs align with the downstream circuit requirements. Consider the fixed delay timing if precise sequencing is not adjustable.

Power Supply Controllers, Monitors Part Context

This device belongs to the LM3880 series of simple power sequencers designed for supervisory applications. It serves as a cost-effective alternative to complex power management ICs in scenarios where basic sequencing and monitoring are sufficient. The automotive variant ensures compatibility with strict environmental and reliability standards prevalent in modern vehicle electronics.

Power Supply Controllers, Monitors Replacement Considerations

Check for direct substitutes within the LM3880 family, such as the LM3880QMF-1AB/NOPB, which may share similar pinouts and functionality but differ in specific electrical parameters or delay times. Verify package compatibility and thermal performance when substituting.