LTC4358IFE#PBF

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PMIC - OR Controllers, Ideal Diodes

The LTC4358IFE#PBF is a versatile power management integrated circuit (PMIC) with various features, such as an or-ing controller, ideal diode and advanced protection functions. It is designed to provide reliable, cost-effective power control and protection to system resources. The LTC4358IFE#PBF provides a wide range of capabilities for power supply design, such as intelligent OR-ing, precise current sensing, overcurrent protection and thermal shutdown. It is ideal for applications that require reliable power and protection for multiple power supplies.

Application Field

The LTC4358IFE#PBF is suitable for a variety of applications in the industrial, automotive, avionics, and telecom industries. It is also used in high-reliability systems, including medical equipment and telecommunications resources. This versatile PMIC has been designed to meet the most demanding applications, featuring flexible and advanced protection functions that ensure a high level of component and system reliability.

The LTC4358IFE#PBF is an ideal solution for applications requiring multiple power supplies, such as distributed power systems, battery-backed systems, fault-tolerant systems, and redundant power supplies. It is also the perfect solution for system-level protection and increased power delivery from multiple power sources. The LTC4358IFE#PBF provides the advantages of precision OR-ing and a low power dissipation ideal diode.

Working Principle

The LTC4358IFE#PBF implements OR-ing of multiple power supplies. It monitors the input supply voltages and automatically selects the higher voltage. It also provides circuit protection to prevent overcurrent, overvoltage and over-temperature conditions. The LTC4358IFE#PBF also features an integrated ideal diode that allows it to operate at a wide range of temperatures and still maintain a low power dissipation. The ideal diode requires no external components and eliminates the need for an external diode.

The LTC4358IFE#PBF includes an onboard current sensor that can measure and report the current draw of the device. This allows for precise current control, which is especially useful in applications that require multiple power supplies. It also includes a smart fault monitoring system that monitors system conditions, such as the input supply voltages and temperature.

The LTC4358IFE#PBF has three outputs: OR-ed signal, voltage signal, and current signal. The OR-ed signal is the signal output from the OR-ing controller. The voltage signal is the signal output from the voltage comparator. Finally, the current signal is the signal output from the current sensor. All three signals can be used to detect system faults and can be used to generate a reset signal.

This PMIC technology is highly applicable in various power supply design schemes and is well-suited to a variety of applications. The LTC4358IFE#PBF is a valuable addition to any power supply design that requires robust and reliable power control and protection. With its accurate current sensing and advanced protection features, the LTC4358IFE#PBF provides reliable power management for mission-critical applications.

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