MAX5902ABEUT+T

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The MAX5902ABEUT+T is a hot swap controller designed to provide portable electronic device designers with an integrated and reliable solution for supplying power in harsh environments. This IC provides an efficient, cost-effective and reliable hot swap solution for providing power in rugged and hazardous conditions. The MAX5902ABEUT+T is a high performance, low power hungry, low-profile, true hot-swap controller with configurable OVP and OCP levels.

The MAX5902ABEUT+T offers excellent noise immunity and is capable of handling currents up to 5A. It uses a hot swap ratio of 1:11 to ensure the highest efficiency and keep power losses in the system to a minimum. The MAX5902ABEUT+T also offers excellent protection against premature current sense overloads, making it ideal for applications that require continuous power supply and maximum current handling capability.

The MAX5902ABEUT+T is designed to control the power MOSFETs and provide power to the system in harsh environments. It is designed to operate in extreme temperature range (-20-125 C) and at high switching frequency (up to 1MHz). It is capable of accurately regulating the current during devices turn-on and off, protecting the system against over-current and short-circuit events. Its wide input voltage range (from 4.75V to 17V) makes it suitable for battery powered applications and rail-to-rail tracking. The IC includes an OVP protection that can be programmed to a desired level or disabled, along with configurable OCP levels.

The MAX5902ABEUT+T provides a flexible and configurable hot swap solution for protecting against unexpected power-up and power-down events. It features an adaptive ramp current limit system that can be tuned to maintain the output current within a predetermined window, allowing for an excellent combination of current handling capability and power efficiency. The IC includes an inrush current limit function that soft-starts the load current to prevent overshooting, which may occur when quickly switching applications on and off.

The MAX5902ABEUT+T is optimized for high current load applications and provides a wide variety of protection and diagnostic features, such as temperature-compensated OVP/OCP, overcurrent fault timer with automotive grade noise immunity, and programmable delay timer. It can operate in low-power mode during standby, and has an active low Power-OK output, open-drain fault flag, and an in-circuit timer reset command.

The MAX5902ABEUT+T has been engineered for use in portable and automotive systems, providing fault protection for several applications and diagnostics for system monitoring. Its I2C interface allows for simple programming, monitoring, and temperature-dependent power management, and its flotilla of features and protections make it an excellent hot swap solution for applications such as high-current voltage regulator, thermally-active, or low-temperature solutions.

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