BU4930FVE-TR

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Power management integrated circuits (PMICs) are of paramount importance in the application of today’s increasingly sophisticated electronics. Supervisors, an important subset of PMICs, provide reliable protection from erroneous power management operations, such as an overcurrent condition or an undervoltage lockout. BU4930FVE-TR is one such device, offering robust protection for a variety of system applications.

BU4930FVE-TR is a single-input reset generator device capable of producing accurate reset outputs for both overvoltage and undervoltage conditions. Its operating range extends from 0.8V to 7.5V, making it suitable for a wide variety of applications, including 3V and 5V systems. It offers both active-high and active-low outputs, enabling it to be used in conjunction with both active-high and active-low reset circuits. The reset output is active for less than 2ms, reducing the possibility of inadvertent system resets.

The BU4930FVE-TR is able to accurately detect overvoltage and undervoltage conditions, thanks to the on-chip voltage comparators. It has an adjustable undervoltage threshold and a preset overvoltage threshold, allowing it to detect a wide range of voltage conditions. Furthermore, it can operate at temperatures as low as -40°C and as high as 125°C, providing reliable protection in both extreme temperatures. Additionally, it has an on-chip watchdog timer with a variable timeout period, providing extra protection against runaway current or voltage conditions.

The reset circuitry of the BU4930FVE-TR is designed to minimize power consumption, even in the case of extended reset conditions. It offers an automatic reset switching capability, allowing it to automatically restart the system in the case of a sustained reset condition. This feature is particularly useful in applications such as automotive electronics, where low power consumption is a must. The BU4930FVE-TR’s low power consumption also makes it an ideal choice for portable devices.

The BU4930FVE-TR’s on-chip circuitry is designed to prevent false triggering, which could potentially cause system resets or other undesired effects. It has an adjustable false-triggering threshold, and it can also be used in combination with external components to increase its immunity to false triggering. Additionally, it has a high level of ESD protection, making it suitable for use in harsh environments.

Overall, BU4930FVE-TR is an ideal choice for any application requiring reliable protection from incorrect power management operations. Its versatile design and wide operating range make it suitable for a variety of system and environmental conditions. Furthermore, its low power consumption and robust protection features make it a reliable choice for applications where power conservation and protection are of top priority.

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