LM3880QMFX-1AE/E7002221

Power Supply Controllers, Monitors Overview

The LM3880QMFX-1AE/E7002221 is an automotive-grade simple power sequencer manufactured by Texas Instruments. It monitors three input voltages to ensure proper power-up and power-down sequencing in complex electronic systems. The device operates within a supply voltage range of 2.7V to 5.5V and consumes a typical supply current of 25 µA. It is qualified under AEC-Q100 standards for temperatures ranging from -40°C to +125°C. Packaged in a compact SOT-23-6 surface-mount case, it provides fixed time delays for reliable sequence control without requiring external timing components.

Power Supply Controllers, Monitors Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for high reliability
• Monitors up to three independent voltage rails for sequential control
• Low quiescent current consumption suitable for battery-powered applications
• Fixed internal time delays eliminate the need for external resistors or capacitors

Power Supply Controllers, Monitors Applications

• Power supply monitoring in automotive infotainment systems
• Voltage sequencing for automotive instrument clusters
• Power management in automotive body control modules

Power Supply Controllers, Monitors Procurement Notes

Verify the exact suffix E7002221 against official Texas Instruments documentation, as standard datasheets typically list suffixes like NOPB. Confirm that the E7002221 designation does not imply a non-standard package or electrical deviation. Ensure the component meets AEC-Q100 requirements if used in automotive designs. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit parts.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing automotive circuits requiring reliable power sequencing for multiple voltage rails. It is suitable for applications needing low standby current and fixed delay times without external timing components. Consider the SOT-23-6 package size for space-constrained PCB layouts. Ensure the monitored voltages fall within the specified operating range of 2.7V to 5.5V.

Power Supply Controllers, Monitors Part Context

This component belongs to the LM3880 series of simple power sequencers designed for automotive environments. The series offers various configurations for monitoring different numbers of inputs. The QMFX package indicates a specific tape-and-reel variant of the SOT-23-6 footprint. The LM3880 family is engineered to simplify power management by handling sequencing logic internally.

Power Supply Controllers, Monitors Replacement Considerations

Direct substitutes include other LM3880 variants such as LM3880QMFX-1AD/NOPB or LM3880QMFX-1AF/NOPB, provided the pinout and electrical characteristics match the design requirements. Verify compatibility with the specific application voltage levels and thermal constraints before substitution.