BU4936FVE-TR

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The BU4936FVE-TR is an integrated circuit or IC within the Power Management Integrated Circuits (PMIC) IC supervisor family, which are designed to monitor an input voltage and keep it within its defined limits. It’s a voltage supervisor for use with systems requiring an addtional layer of system level voltage monitoring.

The IC uses a push-pull output circuit which reads the input voltage and activates four sequencing timing delay circuits when the voltage drops below the pre-specified trip point. The sequence delay circuits determine the amount of time to keep the output in the ON or OFF state, before its switch over.

The BU4936FVE-TR integrates a wide variety of features and can be used as a monitoring system for various devices or systems, such as PCs, servers, and DVD players. Its wide range of operational parameters makes it suitable for use with a variety of system levels, from low power devices to large power systems.

Additionally, the BU4936FVE-TR is designed to be more efficient than other voltage supervisors with its low power consumption, high-speed response, and low current consumption compared to other voltage supervisors.

The BU4936FVE-TR’s application field covers several areas and can be used in any application requiring accurate voltage monitoring such as application boards, printed circuit boards, and also in embedded systems.

The IC is also ideal for use in automotive, motor control, hi-tech lighting and power converters, mobile phones, car audio, portable equipment, and LED applications. Another application field is those devices that require advanced monitoring and control, like security systems and controlling devices associated with surveillance.

The BU4936FVE-TR can also be employed for surge protection, voltage clamping and overvoltage protection. It provides a concise solution for power monitors and other embedded applications, with support for both system reset and power-on reset controls.

The voltage supervisor’s primary function is to protect the system against undervoltage by signaling or shutting down the system before critical voltages are reached.

The supervisor’s operation starts when the input voltage falls below the programmed trip point. When the threshold is reached, the output is set to the active state, which can be either high or low, depending on the type of output the IC is working with. The active state will remain in that state until the voltage returns to a safe level.

When the output is in the active state, the delay in the output can be set between 1 millisecond and 3 seconds, by adjusting the resistor/capacitor network located in the IC’s delay timing circuits. The output can be configured to be either active high or active low.

The BU4936FVE-TR is a voltage supervisor IC with a wide array of features, making it the ideal solution for embedded and PCB applications, security systems, and automotive applications. Its wide range of operational parameters ensure a cost-efficient and reliable solution suitable for any application requiring accurate voltage monitoring.

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