MAX5934EEE+

Programmable Features:	Auto Retry, Current Limit, Fault Timeout, Latched Fault, Slew Rate, UVLO
Base Part Number:	MAX5934
Feature Pins:	FB1, FB2, (/LATCH, RETRY), ON, POL_SOL, PWRGD1, PWRGD2, PWRGD3, TIMER
Supplier Device Package:	16-QSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Current - Supply:	1.4mA
Operating Temperature:	-40°C ~ 85°C
Current - Output (Max):	--
Voltage - Supply:	33 V ~ 80 V
Series:	--
Features:	Thermal Limit
Applications:	General Purpose
Internal Switch(s):	No
Number of Channels:	1
Type:	Hot Swap Controller
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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Introduction to MAX5934EEE+

MAX5934EEE+ is a hot swap controller with protection features suitable for providing a power supply for systems using slightly higher voltages. It has a 5 V/2 A/500 mV current-limit trip rating, which is used to protect the system from overloaded power levels. The device is designed with power-good indicator, an open-drain status flag and 8 V soft-start. It provides transient protection, thermal shutdown, input filtering, current limiting and power sequencing.

Application Field

The MAX5934EEE+ is designed to protect and control power loads used in power-sensitive systems. It can be used in a variety of applications, including mobile phones, PDAs, tablets, and other portable and non-portable devices. It is also suitable for embedded and industrial applications.The MAX5934EEE+ provides field-configurable, 8 V soft-start with programmable slew rate. It has adjustable output voltage and current limit functions which allows the user to optimize performance for different loads at different temperatures, and to minimize power consumption during low power operation. Its features also include current limiting, thermal shutdown, transient protection and input filtering.

Working Principle

The MAX5934EEE+ is a hot swap controller with protection features suitable for providing a power supply for systems using slightly higher voltages. It has a 5 V/2 A/500 mV current-limit trip rating, which is used to protect the system from overloaded power levels. The device is designed with power-good indicator, an open-drain status flag and 8 V soft-start. It provides transient protection, thermal shutdown, input filtering, current limiting and power sequencing.The device is composed of a low-side MOSFET, a power-good indicator, an open-drain status flag, an adjustable 8 V soft-start circuit and an optional programmable thermal shutdown circuit. The device is designed to protect the power supply from being overloaded by excessive current, or by transient occurrences.When the input supply is applied, the 8 V soft-start circuit restricts the load voltage from rising too quickly, and allows it to rise at a safe rate. The adjustable slew rate feature allows the user to control the rate of rise for different loads.When the load current reaches the pre-defined current limit, the low-side MOSFET turns off, shutting down the power supply. The power-good indicator and open-drain status flag provide information about the status of the device.Finally, the optional thermal shutdown circuit allows the MAX5934EEE+ to protect itself and the load in the event of an over-temperature situation. The device will shut down if the temperature crosses the set threshold.

Conclusion

The MAX5934EEE+ is a hot swap controller designed to protect and control power loads used in power-sensitive systems. It has a 5 V/2 A/500 mV current-limit trip rating, and is designed with power-good indicator, an open-drain status flag and 8 V soft-start. It also provides a variety of features, such as transient protection, thermal shutdown, input filtering, current limiting and power sequencing, in order to optimize performance for different loads at different temperatures and minimize power consumption during low power operation.

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