LTC4225CGN-2#PBF

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LTC4225CGN-2#PBF is a high-performance current monitor and controller IC, which belongs to Power Management IC (PMIC) - Hot Swap Controllers. The product is ideally suitable for high-power Hot Swap applications. It can be used for applications such as autonomously powered systems, and charge pump/DC-DC conversion Hot Swap control and protection.

The LTC4225CGN-2#PBF has a wide operating voltage range from 2V to 16V. It combines the advantages of a current sense amplifier and a logic monitor with undervoltage, overvoltage and overtemperature features. It provides fast response, accuracy and high-side current sensing capability and hot-swap control.

The device has dual input/outputs outputs and two enable outputs. The output transistor is capable of sinking and sourcing up to 10mA. The enable outputs and outputs can be used to control the power switch FETs and MOSFETs of up to 20V without the need of external diode.

The device includes an adjustable current monitor that can monitor up to 6A of current. It has the ability to sense power dissipation and an overtemperature alert for thermal protection. The temperature range for operation is from -40°C to 85°C.

In addition to hot swap control, the LTC4225CGN-2#PBF can also be used for system power management, battery charging and battery backup applications. It is also suitable for many commercial and industrial applications including medical instruments and automotive equipment.

The working principle of the LTC4225CGN-2#PBF is based on the fact that the power switch FETs or MOSFETs of the Hot Swap circuit are turned on and off in response to the voltage that appears at the IN pin of the device. The device monitors the voltage at the IN pin and shuts off the FETs or MOSFETs of the Hot Swap circuit if the voltage reaches the predetermined overvoltage threshold.

The device also has an adjustable current monitor that can detect any variation of the current that passes through it. The monitor has an adjustable current trip point and the device can be adjusted to trip the power switch at any specified current level above a minimum preset threshold.

The LTC4225CGN-2#PBF also has an overtemperature alert that can trip the power switch if the temperature of the Hot Swap circuit exceeds a certain set point. The temperature range is from -40°C to 85°C and the exact temperature trip point can be adjusted by a user-controlled resistor.

To summarize, the LTC4225CGN-2#PBF is a high-performance current monitor and controller IC. It belongs to PMIC - Hot Swap Controllers. It is ideally suitable for high-power Hot Swap applications such as autonomously powered systems and charge pump/DC-DC conversion Hot Swap control and protection. It features dual input/outputs outputs, two enable outputs, adjustable current monitor, overtemperature alert and wide operating voltage range. It is widely used in many commercial and industrial applications such as medical instruments and automotive equipment.

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