LTC2938CMS#TRPBF

Power Supply Controllers, Monitors Overview

The LTC2938CMS#TRPBF is a configurable supply monitor featuring four independent voltage supervision channels housed in an MSOP-12 package. It supports a supply voltage range from 1 V to 7 V with a maximum operating current of 80 uA. The device includes a watchdog timer and offers adjustable reset delay times, such as 3 ms. Voltage thresholds are programmable via external resistors or selectable from preset values with ±1.5% accuracy. It provides push-pull outputs for active monitoring.

Power Supply Controllers, Monitors Feature Summary

• Configurable multi-supply monitoring with up to four independent voltage supervision channels
• Integrated watchdog timer functionality for system reliability
• Adjustable reset timeout periods using external capacitors
• High threshold accuracy with programmable inputs

Power Supply Controllers, Monitors Applications

• Multi-rail embedded systems requiring comprehensive power supervision
• Industrial control units needing watchdog timer integration
• Automotive electronics with strict voltage monitoring requirements
• Portable devices utilizing low-power supply management

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm tape-and-reel packaging versus tube variants. Confirm RoHS compliance status and lead times directly with authorized distributors, as availability may vary by region. Ensure the part number matches the exact pinout and functional specifications required for your design implementation.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing systems with multiple voltage rails that require simultaneous supervision. It is suitable for applications demanding adjustable reset delays and integrated watchdog timers. Consider the MSOP-12 package size constraints and the need for external programming components for threshold setting. Evaluate the 80 uA supply current against total system power budgets.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC2938/LTC2939 family of configurable supply monitors designed for complex power architectures. It complements other supervisory ICs by offering multi-channel oversight within a compact footprint. The series supports both fixed and adjustable threshold configurations, providing flexibility for diverse voltage monitoring needs across various electronic platforms.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers: None identified.