MIC2583-LYQS-TR

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The MIC2583-LYQS-TR is a hot swap controller integrated circuit (IC) designed for use with power modules and systems. It is used to prevent circuitry from receiving a large surge of current beyond its rating by allowing the system to be enabled or disabled when needed. This increases the safety of the system by reducing potential damage to the circuit board or components.

Features

• Short Peak Current Limit
• Overvoltage Protection
• Undervoltage Protection
• Over Temperature Protection
• Auto Retry Logic
• Current Limit Selection with Resistor Divider
• Internal Soft Start Timer
• Accurate Internal Loop Compensation
• Current Control Loop Based on External Transistor
• Integrated Overcurrent Protection Circuitry
• Very Low Shutdown Current
• Lead Free Packaging
• Low COB Inductance and Cost Effective

Applications

• Hot Swap Modules
• Battery Management Systems
• Microcontroller and Peripheral Power Supplies
• Power up/down Sequencing
• Power System Supervision
• Fault Isolation
• Microprocessor Core Supplies

Working Principle

The MIC2583-LYQS-TR hot swap controller works by controlling the onset and turn-on of a power FET. This FET powers ON and OFF the system as and when required. When powered on, it first checks for whether the voltage is within the allowed range and then it enables the FET switch. If the voltage is outside the specified range, it will not enable the FET switch until the voltage is within range. Once the voltage is within range, the FET switch is enabled, and the current flow is regulated by the MIC2583-LYQS-TR controller. The controller monitors the current flowing through the power FET and then adjusts its output voltage accordingly using a proportional-integral (PI) control loop.

It then checks if the voltage output is within the specified limits, and if it is not, it will limit the output current to prevent any further damage to the system. After the current is limited, the MIC2583-LYQS-TR controller will adjust the output voltage accordingly and turn off the FET switch to prevent any further power from being supplied to the system. The MIC2583-LYQS-TR controller can also monitor the temperature of the system to prevent any potential damage caused by overheating.

Conclusion

The MIC2583-LYQS-TR hot swap controller is an ideal IC for a wide range of power system applications requiring high levels of reliability, safety, control and efficiency. Its features make it well-suited to ensure robust protection while supplying power to a system, keeping it safe from any damage due to voltage or current overloads or any potential overheating due to excessive power consumption. The MIC2583-LYQS-TR hot swap controller is a great choice for any application requiring hot swap protection.

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