LM3880QMFE-1AD/NOPB

Power Supply Controllers, Monitors Overview

The LM3880QMFE-1AD/NOPB is an automotive-grade simple power sequencer manufactured by Texas Instruments. It monitors three independent input voltages and generates open-drain output signals to control power sequencing. The device operates within a supply voltage range of 2.7 V to 5.5 V and features a low operating current of 25 µA. It is housed in a compact SOT-23-6 surface-mount package. The component is qualified under AEC-Q100 standards, ensuring reliability for automotive applications across a wide temperature range from -40°C to +125°C.

Power Supply Controllers, Monitors Feature Summary

• Monitors three independent voltage rails with fixed threshold levels
• Generates open-drain output signals for precise power sequencing control
• Certified for automotive applications meeting AEC-Q100 reliability standards
• Operates with ultra-low quiescent current for efficient power management

Power Supply Controllers, Monitors Applications

• Automotive electronic power distribution systems
• Multi-rail power sequencing for embedded controllers
• Supervision of voltage rails in vehicle infotainment units
• Power management in automotive sensor modules

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix designation against the manufacturer's official documentation to ensure correct pinout and functional configuration. Confirm that the component meets the required AEC-Q100 qualification level for your target application environment. Check the datasheet for any updates regarding marking codes or package variations to avoid integration errors during procurement and assembly.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing systems requiring supervision of exactly three voltage rails with fixed thresholds. It is suitable for applications needing a simple, low-power solution without manual reset or watchdog timer functionality. Consider the SOT-23-6 package size if board space is limited. Ensure the supply voltage range aligns with the system's available power rails before finalizing the design.

Power Supply Controllers, Monitors Part Context

The LM3880 belongs to Texas Instruments' family of simple power sequencers designed for supervising multiple voltage inputs. This specific variant is optimized for automotive environments, offering robust performance over extended temperature ranges. It serves as a cost-effective alternative to complex programmable supervisors, providing deterministic sequencing behavior for critical power-up and power-down sequences in vehicle electronics.

Power Supply Controllers, Monitors Replacement Considerations

Direct substitutes include other variants within the LM3880 series such as LM3880QMF-1AB/NOPB or LM3880QMF-1AF/NOPB, which share similar automotive-grade specifications and package types. Verify compatibility regarding threshold voltages and output configurations when cross-referencing with these alternatives.