BU4316FVE-TR

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The BU4316FVE-TR is a protection device dedicated to electronic circuits and particularly suitable for use in portable electronic equipment. It is a supervisor family part of Programmable Multi-purpose Integrated Circuit (PMIC) device that provides a wide range of functionalities for today’s modern electronic devices and is commonly used as an active voltage monitor. The BU4316FVE-TR device is capable of monitoring voltage and has an integrated over-voltage protection circuit, making it a great supervisor for various signaling and power systems in various applications.This device integrates on-chip a voltage-detection circuit, a reset signal generator, a watchdog timer, and a built-in regulator. The voltage-detection circuit has two types of output: an internal reset signal and an external output signal. The built-in regulator supplies a power supply for the on-chip circuits. The internal reset-signal generated by the voltage-detection circuit is connected to the reset bus that can be used to reset circuitry of logical circuits while the external output-signal can be used by external logic circuits as an interrupt signal.The BU4316FVE-TR device is capable of monitoring the supply voltage and providing an appropriate reset signal at certain voltage levels when the voltage monitored drops below a certain pre-set level. An optional watchdog timer feature can be included in the BU4316FVE-TR device too and it is used to prevent system freezes due to rogue code. This timer monitors the signal coming from the system\'s main controller and if the signal does not come in at the expected frequency, it will then trigger a reset action to occur.The BU4316FVE-TR is designed to operate from 3.0V to 5.5V power supplies. It also provides a reset in response to over-voltage and ESD (electrostatic discharge) protection as well. It provides temperature protection and reverse current protection too. The BU4316FVE-TR is an ideal protection option for wide variety of applications such as cellular phones, digital cameras, healthcare, industrial controls, and gaming devices. The working principle of the BU4316FVE-TR device is relatively simple. The internal power supply voltage is monitored constantly by the voltage-detection circuit on-chip. If the voltage falls below the pre-set level, the voltage-detection circuit will generate a reset signal which sends a reset pulse to the reset bus. The external logic circuits are also informed of the under-voltage condition via the external output-signal providing further notification. An additional watchdog timer can be included which monitors a signal from the main controller and if the expected signal does not come in at the expected frequency, it will trigger the reset action to occur.In summary, the BU4316FVE-TR is an ideal of PMIC device that can be used to protect electronic circuits in portable electronic equipment via its over-voltage and ESD protection. The device is capable of monitoring the supply voltage and providing an appropriate reset signal at certain voltage levels when the voltage monitored drops below a certain pre-set level. It is commonly used in many different applications and offers temperature protection and reverse current protection as well.

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