BU4934F-TR

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Integrated circuits are an integral part of many electronic systems, and PMIC - Supervisors are no exception. The BU4934F-TR is a precision monitoring IC designed to protect power supply circuits from incorrect voltage or current conditions. The device can detect and respond to overvoltage, undervoltage, overcurrent, and short circuit conditions, giving systems the ability to provide consistent, reliable power supply protection.

The BU4934F-TR is configured as a 32-pin TSOP, and is optimized for use in portable consumer electronics and harsh-environment applications. It has an input voltage range of 2.6V to 10V, and a minimum detection voltage of 3.0V. It has a temperature range of -40°C to +105°C and is equipped with a watch-dog timer and a precision OTC timer. Other features include undervoltage lockout, reset output, and reset hold circuitry.

The BU4934F-TR operates in two different modes. In the first mode, the precision monitoring IC detects over- and undervoltage simultaneously, and the output is reset when either of the conditions has been detected. In the second mode, the device detects an overcurrent condition and outputs a reset signal when it is detected. The device also has a dedicated OTC and watch-dog timer that can detect malfunctions and reset the system when needed.

The BU4934F-TR is designed to protect electronic systems from unexpected power supply conditions. Its precision monitoring capabilities and temperature range make it ideal for use in portable and harsh environment applications. The device’s features make it easy to tailor the protection scheme to suit the specific needs of the system, providing the necessary protection without compromising performance or reliability.

In addition to its power supply protection capabilities, the BU4934F-TR also provides useful diagnostic features. The OTC and watch-dog timers can detect malfunctions in the system and issue a reset signal, allowing system designers to quickly locate, identify, and address any malfunction. Furthermore, the undervoltage lockout and reset hold circuit ensures that the outputs will not remain reset after the fault condition has cleared, preventing the unwanted reset of the system and allowing for a fast and safe recovery.

The BU4934F-TR is a reliable and robust monitoring IC that is well-suited for power supply protection in a wide range of conditions and applications. Its comprehensive set of features makes it an ideal choice for protecting systems from unexpected power supply conditions. Furthermore, its diagnostic capabilities make it easy to locate and address malfunctions in the system, helping to ensure the system’s performance and reliability.

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