LM3700XCBPX-290

Supervisors Overview

The LM3700XCBPX-290 is a microprocessor supervisory circuit manufactured by Texas Instruments. It provides system protection through a low line output and manual reset functionality. The device operates within an input voltage range of 2.5 V to 16 V, ensuring reliable monitoring for various digital systems. It features a watchdog timer with a fixed timeout period to detect software failures. The component is housed in a compact SOT-23 package, suitable for space-constrained applications requiring robust power management supervision.

Supervisors Feature Summary

• Integrated watchdog timer for automated fault detection
• Manual reset capability for user-initiated recovery
• Low line output for under-voltage monitoring
• Compact surface-mount packaging

Supervisors Applications

• Microprocessor system supervision
• Battery-powered device monitoring
• Industrial control board protection
• Consumer electronics power management

Supervisors Procurement Notes

Verify the specific suffix XCBPX against the official Texas Instruments datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure the manufacturing source is authorized to guarantee component authenticity and traceability. Cross-reference the revision level with your schematic specifications to avoid compatibility issues during production integration.

Supervisors Selection Notes

Select this component when a dedicated supervisory circuit with both watchdog and manual reset functions is required. It is suitable for designs needing under-voltage lockout without external resistors. Consider the SOT-23 footprint for PCB layout constraints. Evaluate the fixed timeout period against your processor's clock speed to ensure proper fault detection timing.

Supervisors Part Context

This part belongs to the LM3700 family of microprocessor supervisory circuits from Texas Instruments. These devices are designed to monitor voltage levels and provide reset signals to prevent system malfunctions. The family includes variants with different thresholds and packages, offering flexibility for various embedded system applications requiring reliable power supervision.

Supervisors Replacement Considerations

LM3700XCBP-290

Supervisors FAQ

What is the function of the low line output?

The low line output indicates when the supply voltage drops below a specific threshold, allowing the system to take protective actions before failure occurs.

Does the LM3700XCBPX-290 include a watchdog timer?

Yes, it integrates a watchdog timer that monitors the system's activity and triggers a reset if the processor fails to toggle the input within a specified time.