LTC4364HDE-2#TRPBF

Overview

The LTC4364HDE-2#TRPBF is a board-level surge stopper manufactured by Analog Devices Inc. It integrates an ideal diode controller with an external N-channel MOSFET to manage power input protection. The device operates within a voltage range of 4V to 80V and features adjustable clamping voltages for overvoltage protection. Designed for surface-mount technology, it utilizes a WFDFN14_EP package measuring 4.00 x 3.00mm with a height of 0.75mm. The component supports an operating temperature range of -40°C to +85°C and holds AEC-Q100 automotive grade certification.

Feature Summary

• Integrates ideal diode functionality to minimize power loss during normal operation
• Provides adjustable overvoltage clamping to protect downstream circuitry from transient spikes
• Features auto-retry capability to automatically restore power after fault conditions clear

Applications

• Automotive electronic systems requiring robust power input protection
• Industrial equipment needing reliable surge suppression on main power rails
• General purpose applications utilizing external N-channel MOSFETs for high-current switching

Procurement Notes

Verify the specific suffix 'TRPBF' indicates tape and reel packaging when sourcing components. Confirm that the 'H' designation corresponds to the specified heat dissipation characteristics and package variant. Ensure compatibility with the intended external MOSFET selection based on the control interface requirements. Cross-reference the manufacturer's latest datasheet revision to confirm pinout and electrical specifications match the design implementation.

Selection Notes

Select this component when designing systems requiring precise control over surge events without the voltage drop associated with standard diodes. The adjustable clamping feature allows customization for specific system tolerance levels. Consider the external MOSFET selection carefully as the IC relies on it for current handling. Verify that the WFDFN14_EP package fits the available PCB real estate and thermal management strategy.

Part Context

This part belongs to the LTC4364 family of surge stoppers designed for board-level protection. It serves as a critical interface between the power source and sensitive load circuits. The family offers variants with different packages and configurations to suit diverse layout constraints. The inclusion of an ideal diode function distinguishes it from simple fuse or TVS solutions by actively managing conduction.

Replacement Considerations

LTC4364IDE-2#TRPBF

FAQ

What is the function of the ideal diode in this device?

The ideal diode function controls the external N-channel MOSFET to allow current flow with minimal voltage drop while blocking reverse current, improving efficiency compared to standard diode solutions.

How does the device handle fault conditions?

The LTC4364HDE-2#TRPBF includes an auto-retry feature that automatically attempts to re-enable the output after an overvoltage or overcurrent fault has been cleared.