LM3701XBBP-420

Supervisors Overview

The LM3701XBBP-420 is a single-channel microprocessor supervisor integrated circuit manufactured by Texas Instruments. It operates within a supply voltage range of 1.6V to 5.5V and features a fixed reset threshold voltage of 4.2V. The device provides a push-pull or totem-pole output configuration with a minimum reset timeout period of 20ms. It is housed in a compact 9-pin MicroSMD package, designed for surface-mount assembly in space-constrained electronic applications requiring reliable power management supervision.

Supervisors Feature Summary

• Provides hardware-based monitoring of power supply voltages to ensure system stability
• Features a fixed 4.2V reset threshold for precise voltage level detection
• Includes a programmable reset timeout delay to prevent premature resets during power-up

Supervisors Applications

• Microprocessor and microcontroller power supply supervision
• Battery-powered portable electronic devices
• Industrial control systems requiring voltage monitoring

Supervisors Procurement Notes

Verify the specific suffix '420' confirms the 4.2V threshold variant. Confirm the 'BBP' package code corresponds to the 9-MicroSMD footprint. Check current availability status as some distributors list this part as discontinued. Ensure compatibility with your board's surface mount technology requirements.

Supervisors Selection Notes

Select this component when a fixed 4.2V supervision threshold is required. Consider the 9-MicroSMD package size against available PCB real estate. Evaluate if the 20ms minimum timeout meets your system's power-up sequence timing constraints. Compare against other Texas Instruments supervisors with adjustable thresholds if flexibility is needed.

Supervisors Part Context

This supervisor IC belongs to the LM3701 family of voltage monitors from Texas Instruments. These components are designed to detect under-voltage conditions and assert a reset signal to protect sensitive digital logic. The family typically offers various threshold voltages and package options to suit different embedded system architectures.

Supervisors Replacement Considerations

Check for direct pin-compatible alternatives within the LM3701 series with different threshold voltages. Verify that any substitute maintains the same 9-MicroSMD package dimensions and electrical characteristics. Consult manufacturer cross-reference guides for verified equivalent parts.