MP6400DG-25-LF-Z

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The MP6400DG-25-LF-Z is a voltage supervisor IC for mobile and handheld applications. It is monolithic, with an integrated voltage reference and slew rate control. The device is used to monitor the battery voltage level of portable electronics, and provides microcontroller reset signals when the voltage level drops below a preset threshold. The device can also detect overvoltage, reverse polarity and inrush current conditions and provide a warning signal in these cases.

The MP6400DG-25-LF-Z provides two reset outputs: active-high reset and active-low reset. The active-low reset output is pulled up to a high level when the input voltage is above the preset threshold, while the active-high reset output is supplied to the microcontroller only when the input voltage drops below the preset threshold. This ensures that the microcontroller remains reset until the battery voltage has stabilized.

In addition to being able to monitor the voltage of a single battery cell, the MP6400DG-25-LF-Z can also be used in multi-cell applications. When used in this way, the device compares the voltage of each cell and will generate an interrupt signal if any cell voltage drops below the threshold. This feature ensures that the microcontroller will be reset in the event of a low cell voltage, preventing irreversible damage to the battery.

The device also features built-in overvoltage, reverse polarity and inrush current detection. The overvoltage detection circuit monitors the input voltage to detect potential surges in voltage. If the voltage exceeds a predetermined threshold, the device will issue a warning signal. The reverse polarity circuit detects reverse voltages, while the inrush current circuit detects a sudden increase in current draw which can often occur during system startup. If a high current is detected the device will issue a warning signal and allow the microcontroller to take corrective measures.

The MP6400DG-25-LF-Z is ideal for use in mobile and handheld applications where reliable battery voltage monitoring is required. The device is capable of accurately monitoring the voltage of one or more battery cells and issuing reset or warning signals in the event of an overvoltage, reverse polarity or inrush current situation. The device is also relatively small and consumes only a few milliwatts of power, making it well suited for use in power constrained applications.

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