MXD1815UR29+T

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The MXD1815UR29+T is a type of Voltage Supervisor (PMIC - Supervisors). It monitors single supply voltages and provides output warning flags to indicate over- and undervoltage conditions, as well as chip power supplies. They are used in applications such as telecommunications, industrial, computing, audio, and automobiles.

The MXD1815UR29+T is externally programmed voltage supervisor designed for a wide input voltage range and quick response time. The voltage supervisor circuitry monitors the regulated supply voltage and provides an open drain flag and reset output. It asserts a reset signal when the supply voltage drops below the user-programmed threshold, and then de-asserts the flag when the voltage rises above it. This device features adjustable set points from 2.5V to 6V with 1% accuracy.

The MXD1815UR29+T comes with a built-in overvoltage protection (OVP) circuit, which provides protection when a given voltage exceeds the user-defined overvoltage threshold. It is also provided with a built-in low-voltage drop-out (LDO) circuit, which ensures that a given voltage drops below a certain threshold before the reset pulse is generated.

When the power-up sequence is initiated, the MXD1815UR29+T checks the voltage at the input and makes sure that it remains larger than it’s overvoltage threshold. The OVP circuit will then generate a reset pulse if the voltage exceeds the overvoltage threshold. The reset pulse is then propagated to the parent system, hence causing the parent system to go into reset state.

To protect against accidental current overload, the MXD1815UR29+T features a current monitoring circuit. This circuit monitors the supply current and sends a reset pulse in case the current exceeds the pre-defined threshold. This protects the system from unexpected current overload.

The MXD1815UR29+T is used in a variety of applications to ensure safe and reliable power-up sequencing in critical systems. It can be used to provide system level protection against over- and undervoltage conditions, as well as current overloads. It is commonly used in computers, mobile phones, automotive systems, audio systems, and industrial controls. It is also suitable for applications where reset signals need to be generated quickly, such as memoryinitization and system boot-up.

In summary, the MXD1815UR29+T is a voltage supervisor designed for a wide input voltage range and quick response time. It provides reset signal when the supply voltage drops below the user-programmed threshold, and then de-asserts the flag when the voltage rises above it. It also comes with overvoltage protection and current monitoring circuitry. The MXD1815UR29+T is used in a variety of applications to ensure safe and reliable power-up sequencing in critical systems.

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