BU4827F-TR Integrated Circuits (ICs)

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Supervisors are integrated circuits (ICs) whose purpose is to monitor other components within a circuit or system. A supervisor often checks on a system\'s performance, offers some degree of protection, or assists in configuration or debug operations. The BU4827F-TR, manufactured by ROHM Semiconductor, is one such IC with application fields and a working principle that will be discussed in detail in this article.

The BU4827F-TR belongs to the supervisor family of ICs and is designed for system reset applications. It is designed for use in battery-mounted mobile systems and is suitable for mobile phones, digital cameras and other mobile devices. This IC offers both input voltage and power fail detection, which can be configured for either output sequence (active high or low). It also has temperature monitoring function that can detect the temperature of the battery cell.

The BU4827F-TR is a CMOS integrated circuit operated by a single power supply. It can operate between the power supply voltage range of 1.5V to 5.5V, which allows it to be used in a wide variety of circuits. This IC is very small in size, having a total package size of SSOP-8 (2.65×3.50mm) and it can be used in various systems due to its operating temperature range of -40°C to +125°C.

The working principle of the BU4827F-TR is to monitor the system environment and then detect certain changes. When the input voltage is detected to be out of the specified range or when the power fails, the BU4827F-TR will output a LOW level logic at its Reset pin to reset the system, thus protecting it from any potential damage. The BU4827F-TR also has an internal temperature monitoring function to protect the battery from over-temperature. When the temperature exceeds the pre-setted value, it will output a LOW level logic at its Reset pin.

In summary, the BU4827F-TR is a CMOS voltage supervisory IC primarily designed for system reset applications. It has a wide range of operating temperatures, power supply voltage ranges and small space requirements, which makes it well-suited for being deployed in battery-mounted mobile systems such as mobile phones and digital cameras. Furthermore, the BU4827F-TR offers both input voltage and power fail detection as well as a temperature monitoring function that can detect the temperature of the battery cell. This IC can help protect systems from potential damage and offer reliable performance when operating in various environments.

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