LTC4413EDD-1#PBF

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The LTC4413EDD-1#PBF is a PMIC – or ‘power management integrated circuit’ – OR Controller, Ideal Diode. It is designed to provide the user with a simple and efficient solution for ORing MOSFETs. The device is designed to provide an ideal diode in forward rectification, charge balancing, and powering multiple power sources.

The LTC4413EDD-1#PBF is a highly efficient and versatile OR Controller, combining a high-side ideal rectifier with a low-side ideal rectifier. It also includes voltage and current monitoring, as well as fault-condition protection. The device operates from supply voltages from 5V to 25V and has a maximum continuous load current of 3A.

The device is ideal for use in applications such as redundant power systems, back-up power, and hot-swapping applications. It is also well suited for powering multiple loads from multiple sources, such as on-board battery systems, multi-rail power supplies, dual power domains, and charge balancing.

The LTC4413EDD-1#PBF offers two primary functions: ORing and coupling two sources of power. ORing combines two power sources into one. This is accomplished by using a pair of ideal diodes which prevents the normally stronger power source from overpowering the weaker source. Therefore, the ideal diodes ensure that the weaker power supply will receive a full share of current.

The device\'s other primary function is coupling two sources of power. This is achieved through the device\'s reverse-recovery mode, which limits the voltage spikes normally generated when combining two power supplies. The reverse recovery functionality is also essential for protecting devices connected to the power source.

In terms of operation, the device is quite simple. The current flows from the source one, through source two, and then out to the load. If source one is too weak, the current will be drawn from the other source. This is called the ORing function. The current then passes through a pair of ideal diodes which prevents the stronger source from overpowering the weaker source.

The device also features power limiting circuits, which regulate the output current when the load current reaches predetermined levels. These circuits also provide thermal protection, ensuring the device is not damaged by excessive heat generated during operation. The device also offers automatic recovery mode, which allows for operation to resume if a fault is detected.

In terms of applications, the LTC4413EDD-1#PBF is well suited for use in redundant power systems, back-up power, hot-swapping applications, powering multiple loads from multiple sources, on-board battery systems, multi-rail power supplies, dual power domains, and charge balancing. Its ability to power up to 3A of load current without any external components makes it suitable for a wide range of applications.

The LTC4413EDD-1#PBF is designed to be a highly efficient and reliable solution to ORing MOSFETs, providing ideal diode forward rectification, charge balancing, and powering multiple power sources. Its features, such as reverse-recovery mode, power limit circuit, and automatic recovery mode, combine to make it an ideal choice for a wide range of applications.

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