LTC4354CS8#TRPBF

OR Controllers, Ideal Diodes Overview

The LTC4354CS8#TRPBF is a negative voltage diode-OR controller and monitor manufactured by Analog Devices Inc. It operates within an input voltage range of 2V to 60V, utilizing an N-channel MOSFET for low-loss power path control. The device features a precision current limit with a typical threshold of 1A, adjustable via an external resistor. It includes comprehensive protection mechanisms such as reverse battery protection, overvoltage protection, and thermal shutdown. The component is housed in an 8-pin SOIC package and supports industrial temperature ranges.

OR Controllers, Ideal Diodes Feature Summary

• Enables low-loss power path sharing using external N-channel MOSFETs
• Provides precise current limiting and reverse battery protection
• Integrates overvoltage lockout and thermal shutdown capabilities

OR Controllers, Ideal Diodes Applications

• Negative voltage di-ORing for redundant power supplies
• Reverse battery protection circuits
• Power path management in automotive systems

OR Controllers, Ideal Diodes Procurement Notes

Verify the specific suffix 'CS8' indicates the commercial temperature grade and SOIC-8 package configuration. Confirm that the '#TRPBF' designation corresponds to tape and reel packaging. Ensure compatibility with the intended MOSFET selection for the current limit setting. Check current availability status as distribution may vary.

OR Controllers, Ideal Diodes Selection Notes

Select this component when designing negative voltage OR-ing applications requiring high precision. Consider the external MOSFET Rds(on) for efficiency calculations. Evaluate the current limit resistor tolerance against system requirements. Compare against similar controllers if positive voltage handling is needed instead.

OR Controllers, Ideal Diodes Part Context

This part belongs to the LTC4354 family of ideal diode controllers. It is designed specifically for managing negative voltage rails where standard diodes cause significant power loss. The series offers robust protection features suitable for harsh environments.

OR Controllers, Ideal Diodes Replacement Considerations

LTC4354HMS8#PBF: Higher voltage rating variant. LTC4354IMS8#PBF: Industrial temperature grade variant.