HIP1011ECAZA-T

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PMIC - Hot Swap Controllers

HIP1011ECAZA-T is a PMIC (Power Management Integrated Circuit) Hot Swap Controllers specifically designed to promote the safe insertion and removal of a power supply line. Usually most of the semiconductor systems are connected to the power grid which is often unreliable. To prevent sudden and unexpected failures, a Hot Swap Controller is used. The HIP1011ECAZA-T is an ideal choice for Hot Swap application due to its fault protection feature and optimal performance solution.

Application field

HIP1011ECAZA-T has two main applications. The first one is for optical transceivers as it is designed to provide a transient-free plug and play feature in any system that requires a safe connection to power. It is ideal for applications such as Ethernet, SDN/SDH, high-speed links and other applications that need redundant links to power.The second application is in power supplies. It is especially suitable for servers, industrial and consumer applications. The HIP1011ECAZA-T helps to monitor the power supply, current and temperature of a system and provides protection from the power supply in case of any fault, thus significantly decreasing the risk of catastrophic results for the system.

Working Principle

The HIP1011ECAZA-T Hot Swap Controller consists of two main parts: an external resistor/capacitor network and an integrated circuit.The external resistor/capacitor network consists of two components. The first one is the internal supply node (VIN) and the second one is the low side N-channel MOSFET which controls the voltage at the output port. The internal supply node (VIN) is a voltage level that is regulated with the help of a resistor and a capacitor, and then proceeds with a programmable soft-start transient voltage level (VHOT). This voltage level is used to activate the MOSFET or disconnect the supply line.

The integrated circuit consists of a low side switch, current limited switches and an oscillator that are responsible for generating the VHOT signal. First, the internal regulator is activated and it starts to monitor the voltage level of the supply line. When the voltage drops below the VHOT signal, the MOSFET is triggered and the supply line gets disconnected. When the voltage reaches above the VHOT signal, the MOSFET is deactivated, and the supply line is connected again.

The current limited switches are used to limit the current through the MOSFET when the voltage is above the VHOT signal. This helps to protect the system from any over current conditions. The oscillator helps to reset the MOSFET in order to minimize the power consumption and improve the overall efficiency.

The HIP1011ECAZA-T Hot Swap Controller is an ideal choice for applications that require a safe connection to power. It helps to provide protection from the power supply in case of any fault, and it is also able to regulate both the solar and hot swap connectors. With its optimal performance solution, it is able to reduce the risk of catastrophic results when the power supply is unstable.

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