LTC4359CMS8#TRPBF

OR Controllers, Ideal Diodes Overview

The LTC4359CMS8#TRPBF is a single-channel N+1 ORing controller manufactured by Analog Devices Inc. Designed for power management applications, it operates within an input voltage range of 4V to 80V and features a supply current of 150µA. The device supports reverse polarity protection and is housed in an 8-lead MSOP package. It functions as an ideal diode controller, managing external N-channel MOSFETs to prevent backflow and ensure seamless power source redundancy.

OR Controllers, Ideal Diodes Feature Summary

• Provides ideal diode functionality using external N-channel MOSFETs to eliminate power loss associated with traditional diodes
• Incorporates built-in reverse polarity protection to safeguard downstream circuitry from incorrect power connections
• Enables N+1 redundancy configurations allowing multiple power sources to share load and provide backup capability

OR Controllers, Ideal Diodes Applications

• N+1 redundant power supply systems requiring high efficiency
• Backplane power distribution networks in industrial equipment
• Telecommunications infrastructure power modules
• Automotive electronics requiring robust reverse polarity protection

OR Controllers, Ideal Diodes Procurement Notes

Verify the specific suffix 'CMS8' corresponds to the commercial temperature grade and MSOP-8 package variant when sourcing. Confirm that the '#TRPBF' designation indicates tape and reel packaging suitable for automated surface-mount assembly processes. Ensure compatibility with external MOSFET selection guidelines provided in the official datasheet for optimal performance.

OR Controllers, Ideal Diodes Selection Notes

Select this component for designs requiring efficient power path management without the voltage drop of standard diodes. It is suitable for systems operating between 4V and 80V where reverse polarity protection is critical. Consider the thermal characteristics of the MSOP-8 package and the requirements for external gate drive components when designing the PCB layout.

OR Controllers, Ideal Diodes Part Context

This part belongs to the LTC4359 family of ORing controllers, which are specialized PMICs designed for high-voltage power switching applications. The series offers various package options and temperature grades to suit different industrial and automotive environments, focusing on reliability and efficiency in power distribution architectures.

OR Controllers, Ideal Diodes Replacement Considerations

LTC4359HMS8#WPBF (Higher temperature grade, tube package)

OR Controllers, Ideal Diodes FAQ

Does the LTC4359CMS8#TRPBF include an internal MOSFET?

No, it is a controller that requires an external N-channel MOSFET to be connected for power switching.

What is the maximum input voltage supported by this device?

The device supports input voltages up to 80V.