LTC4419CMSE#PBF

OR Controllers, Ideal Diodes Overview

The LTC4419CMSE#PBF is a dual-input monolithic PowerPath prioritizer manufactured by Analog Devices Inc. It provides backup switchover to maintain critical circuitry during brown-out and power loss conditions. The device features low operating current and minimizes current draw from inactive supplies, even when their voltage exceeds the active supply. It utilizes internal PMOS switches for seamless transition between primary and backup inputs.

OR Controllers, Ideal Diodes Feature Summary

• Dual-input PowerPath prioritizer with low operating current
• Internal current-limited PMOS switches for source selection
• Fast non-overlapping switching prevents reverse and cross-conduction
• Built-in auxiliary comparators for flexible voltage monitoring

OR Controllers, Ideal Diodes Applications

• Low-power battery backup systems
• Portable electronic devices
• Point-of-sale (POS) equipment
• Prioritized power selection from two input sources

OR Controllers, Ideal Diodes Procurement Notes

Verify the specific package variant against the datasheet, as the CMSE suffix denotes a MSOP-EP package. Confirm RoHS compliance status through official manufacturer documentation or authorized distributors. Ensure the part number matches the exact suffix requirements for your assembly process. Cross-reference the manufacturing date code to verify component freshness and storage history prior to procurement.

OR Controllers, Ideal Diodes Selection Notes

Select this component for applications requiring reliable switchover between main and backup power sources without significant voltage drop. The internal PMOS architecture eliminates the need for external diodes, reducing board space and power loss. Consider the adjustable voltage monitor threshold for precise switching control. Evaluate the auxiliary comparator outputs if additional voltage supervision is required for system safety.

OR Controllers, Ideal Diodes Part Context

This part belongs to the LTC4419 series of PowerPath controllers designed for efficient power management. It replaces traditional diode-OR configurations to improve efficiency in battery-backed systems. The device integrates protection features such as overcurrent and thermal shutdown, ensuring robust operation in demanding environments like industrial and automotive applications.

OR Controllers, Ideal Diodes Replacement Considerations

LTC4413-1, LTC4413-2, LTC4416, LTC4414, MAX5079, LTC4413, MAX5944, LTC4412HV, MAX8585, LT4351, LTC4411, MAX8535, MAX8536, LTC4412, LTC4410, MAX1773A, LTC1473L, LTC1473, LTC1479, MAX16141.