MAX5936LNESA+

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The MAX5936LNESA+ is an integrated system power management solution from Maxim Integrated that combines hot swap and power management controller functions into one component. It is designed to ensure a safe startup and reliable operation in power distribution systems that include hot-swap, load disconnect, and system reset functions. It’s a component of Maxim’s Hot Swap and Power Management family that helps protect and dynamically control power delivery and system reset in various applications.

The MAX5936LNESA+ is an adaptive mechanism that guards against faults on any hot swap board, along with the valuable PCB, FET, and components connected on power rails. It can also detect over-currents and short-circuits and serve as a system reset controller. It works within a wide range of power supply, load, and external component voltages, providing solutions for many applications in the hot swap/load disconnect control field.

The MAX5936LNESA+ operates at a nominal VDD voltage and works with various output voltage ranges, current levels, and frequency. When an input voltage of up to 68V is applied, the device’s hot swap controller and power management controller functions ensure that the output voltage remains as desired, while simultaneously alerting the power management controller of any faults and protecting the system from damage. The MAX5936LNESA+ also offers external components like MOSFET protection, enabling maximum safety across the range of hot-swap applications.

The MAX5936LNESA+ primarily consists of two components: the hot swap controller and the power management controller. The hot swap controller features an integrated current sense amplifier, leading-edge blanking, and short-to-ground detection. The power control logic consists of a state machine, voltage regulation loop, UVN-LF and UVN+UF Error amplifiers, and oscillator. The hot swap controller also provides accurate current limit and summation of current from each load. Moreover, the MAX5936LNESA+ includes some special features, such as the ability to diagnose the current sense path for open- or short-circuit faults, detect AC and DC power-supply input faults, and activate/deactivate multiple LEDs.

In conclusion, the MAX5936LNESA+ is a high-performance Hot Swap and Power Management solution meeting various requirements for applications ranging from low-current AC-DC supplies to high-current DC-DC supplies. It combines hot swap controller and power management controller functions into one integrated system, providing a safe startup and reliable operation in power distribution systems with hot-swap, load disconnect, and system reset functions.

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