MAX5903ABETT+T

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PMIC (Power Management Integrated Circuits) technology has been used in numerous applications and situations over the past two decades. One such application of PMIC technology is its use in the hot swapper controller (HSC) family of products. The MAX5903ABETT+T is a specific example of such a product. It is a versatile hot swapper integrated circuit (IC) designed specifically for use in high-performance automotive, industrial, telecom, and consumer electronics applications.

The MAX5903ABETT+T is a low power, high-performance hot swapper IC that has a wide range of operating conditions. Its key features include an adjustable voltage range from 4.5V to 28V, an extended temperature range to -40°C to +105°C, a wide operating range from -40°C to +105°C, a flexible switching architecture, and an integrated EMI filter. Additionally, it has a slew rate limiting feature that protects devices from ESD damage.

The MAX5903ABETT+T is capable of controlling multiple power domains simultaneously and is designed to automatically power up and down power domains that may be requested by the system. It includes several protection features, including over voltage protection, over temperature protection, and under voltage protection. These protection features along with the integrated EMI filter provide safety and reliability for the operating system. The device also contains an adjustable voltage threshold that allows controlled power down of load powering whenever power from the supply source drops below a predetermined set point. This feature allows for graceful power down of the load in the case of an emergency event or to conserve power in low voltage conditions.

The MAX5903ABETT+T is a two-phase, non-synchronous hot swapper. It features a high-performance 3-phase power MOSFET driver with slew rate limiting and thermal shutdown protection. This system operates in a voltage-mode control scheme to ensure efficient control of the switching duty cycles. It also includes a low frequency oscillator and a temperature compensation system that work together to provide accurate control of the duty cycle. The device operates across a wide input voltage range, enabling flexibility in its application. Additionally, it is efficient and power-saving, providing a good trade-off between size, weight, and power consumption.

The MAX5903ABETT+T is an ideal solution for hot swapper applications that require high-efficiency, low-cost power management. This device is well suited for automotive, telecom, and industrial applications due to its wide operating temperature range and protection features. It is also very suitable for consumer electronics applications due to its high input rating and adjustable voltage set points. Its versatile switching architecture allows for accurate control of power to the load, enabling efficient power management and improved system performance.

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