LTC4261IUFD#TRPBF

Hot Swap Controllers Overview

The LTC4261IUFD#TRPBF is a negative voltage hot swap controller manufactured by Analog Devices Inc. It operates within a supply voltage range of -4V to -60V and features an integrated analog-to-digital converter (ADC) for precise monitoring. The device supports I2C communication for configuration and data retrieval. It is housed in a 24-lead QFN package and is designed for surface mount installation. The component includes programmable fault timeouts, overvoltage protection, and undervoltage lockout mechanisms to ensure robust system protection during insertion or removal events.

Hot Swap Controllers Feature Summary

• Integrates an ADC for real-time monitoring of current, voltage, and temperature parameters
• Supports I2C interface for digital control and status reporting
• Provides comprehensive protection including overvoltage, undervoltage lockout, and fault timeout

Hot Swap Controllers Applications

• -48V telecommunications systems
• Industrial backplane power distribution
• Server and storage enclosure power management

Hot Swap Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the operating temperature grade corresponds to the industrial specification required for your environment. Ensure compatibility with the host system's I2C bus voltage levels and address configuration before integration into the design.

Hot Swap Controllers Selection Notes

Select this component for applications requiring negative voltage rail protection with detailed digital monitoring capabilities. The integrated ADC eliminates the need for external sensing circuits, reducing bill of materials complexity. Consider the QFN package thermal performance and footprint constraints relative to available board space and thermal dissipation requirements.

Hot Swap Controllers Part Context

This part belongs to the LTC4261 family of hot swap controllers from Analog Devices. It is specifically engineered for managing negative voltage rails in high-reliability environments. The device complements other PMIC solutions by offering precise control over power sequencing and fault handling without requiring external discrete components for basic protection functions.

Hot Swap Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.