LTC4358CFE

Series:	--
Part Status:	Obsolete
Type:	N+1 ORing Controller
FET Type:	N-Channel
Ratio - Input:Output:	N:1
Internal Switch(s):	Yes
Delay Time - ON:	200µs
Delay Time - OFF:	300ns
Current - Output (Max):	5A
Current - Supply:	600µA
Voltage - Supply:	9 V ~ 26.5 V
Applications:	N+1 Power Supplies, High Availability
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package:	16-TSSOP-EP

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LTC4358CFE Overview

The LTC4358CFE is an integrated intelligent power controller that enables high-efficiency, low-noise power management based on a highly efficient operating principle. It is designed to improve system efficiency across a wide range of power levels and usage conditions, and to offer flexible control and monitoring of the power delivery. The controller provides full system protection, as well as current monitoring and thermal management, allowing for safe, reliable operation in many application environments.

Application Fields for LTC4358CFE

The LTC4358CFE is designed for a range of applications requiring efficient management of the power delivery. These include high performance computing systems, server platforms, industrial automation equipment, and medical devices. The controller is also suitable for automotive, aerospace, military, and other similar use cases.The LTC4358CFE is an excellent choice for cases where power efficiency and thermal management must be optimized, as it offers both programmability of the primary functions and a high level of system protection and flexibility. For example, the integrated gate drive allows for optimized switching of devices, and the current monitoring feature helps maximize device life. Additionally, the controller has built-in temperature compensation and over-voltage/current protection, ensuring that it can reliably regulate power delivery in many applications.

Working Principle of LTC4358CFE

The LTC4358CFE features an integrated power management system that provides optimal control of the power delivery. The controller consists of a power controller, a power driver, and a control logic block. The power controller, which is based on an Analog Devices high-voltage MOSFET driver IC, is used to control the switching of the power MOSFETs. The power driver is an integrated bridge/half-bridge driver, which enables efficient operation of the power switches. It features an internal low-side current sense resistor, allowing for precision current sensing and control.The control logic block is used to provide integrated control and monitoring of the power delivery. It supports both analog and digital control, allowing for a wide range of control options. The control logic is responsible for the primary functions of the controller, such as power-on/off, monitoring of over-voltage, over-current, and over-temperature conditions, as well as thermal protection and monitoring, and system status monitoring. The LTC4358CFE also features a variety of programmable protection parameters, allowing for further configuration of the protection levels and behavior of the controller in different application environments.

Conclusion

The LTC4358CFE is a highly integrated intelligent power controller that provides superior power efficiency and reliable operation across a wide range of applications. It features a programmable power controller, power driver, and control logic block that provide optimized power delivery and system protection. The controller has integrated temperature compensation, over-voltage/current/temperature protection, and system status monitoring capabilities. With its wide range of features and adjustable protection parameters, the LTC4358CFE is an excellent choice for applications requiring efficient and reliable power management.

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