LTC4361HDC-1

Series:	--
Part Status:	Obsolete
Applications:	Handheld/Mobile Devices
Current - Supply:	220µA
Voltage - Supply:	2.5 V ~ 80 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	8-WFDFN Exposed Pad
Supplier Device Package:	8-DFN (2x2)

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LTC4361HDC-1 Application Field and Working Principles

The LTC4361HDC-1 is a high current, high voltage Power Management Integrated Circuit (PMIC) for a variety of applications. It is a specialized PMIC specially designed for ultra-high-voltage, high current applications such as solar panel power systems and automotive power electronics. This components offer various features such as over-voltage, temperature, short-circuit protection, automatic shutdown, and diagnostic monitoring, as well as the ability to control power supply sequencing with an integrated 2-stage control input. In this article, we will discuss the application field and working principles of the LTC4361HDC-1.

Application Fields

The LTC4361HDC-1 is designed to supply 12V-30V to a variety of devices, such as high-power LEDs and low voltage circuits. It can power photovoltaic modules for solar power system applications, as well as automotive power electronics. It can also provide the necessary power for many other high-voltage and high current applications such as robotics and medical equipment.

Working Principles

The LTC4361HDC-1 is a two-stage integrated PMIC that is designed to provide high current and high voltage supplies with a wide range of features and operational stability. The first stage is the control stage, which provides an interface between the system voltage source and the power output stage. The control stage provides the necessary switching control signals for the power stage and also provides a monitoring interface for the system voltage level, temperature, and fault conditions. The second stage is the power stage, which is capable of providing high current and high voltage supplies from its input supply voltage. The power stage utilizes a high-side n-channel MOSFET with integrated over-current, temperature, and short-circuit protection. The over-current and temperature protection is provided by integrated current sense circuits and temperature measurement. The LTC4361HDC-1 also provides the necessary control signals for external charging circuits such as battery chargers. The LTC4361HDC-1 features various features such as programmable startup and shutdown delay times, adjustable over-voltage protection, and active current limiting. Additionally, the integrated diagnostic monitoring circuits enable the device to be used in safety-critical systems.

Conclusion

The LTC4361HDC-1 is a high current, high voltage Power Management Integrated Circuit (PMIC) designed for use in a wide range of applications such as photovoltaic modules, medical equipment and robotics. It provides a two-stage integrated PMIC structure with various features such as over-voltage, temperature, and short-circuit protection. The integrated diagnostic monitoring circuits also enable the device to be used in safety-critical applications.

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