BU4338G-TR

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Power management integrated circuits (PMICs) are electronic devices that provide a stable power supply for a device by regulating its battery power. They are typically used in processor-intensive devices such as smartphones, laptops and tablets. A PMIC usually consists of various regulators and supervisors. The BU4338G-TR is an example of a PMIC supervisor that provides robust protection against overvoltage and overcurrent. It is ideal for use in applications such as USB 3.0 ports and fast charging USB-C ports.

The BU4338G-TR is designed to detect overvoltage and/or overcurrent conditions in any of the four differential input channels and either reset or disconnect the power and ground of the protected circuit(s). It has two main sections: the main regulator and the protector (or supervisor). The main regulator is responsible for maintaining system stability while the protector monitors the input channels and acts as the failsafe mechanism. The input channels are protected against overvoltage and/or overcurrent conditions and a fault alert is sent to the main regulator if a fault is detected.

The BU4338G-TR is designed for easy implementation in an array of mobile and computing applications. It is designed to work with the popular 5V battery supply, but it can also be used with 3V to 7.5V power supplies without any modifications. This feature makes the BU4338G-TR perfect for applications where a system needs to run with a variety of different battery voltages. It is also capable of withstanding overvoltage protection up to 40V and is capable of providing system reset on overcurrent fault conditions up to 70A, making it suitable for high-power applications.

The BU4338G-TR has a number of features that make it an attractive choice for system designers. It is designed to operate in a wide temperature range of -40°C to +125°C, which makes it ideal for use in automotive and industrial applications. It also features an internal time-delay for resetting and/or disconnecting the system in the event of an overvoltage/overcurrent fault, as well as fault saving and hysteresis options. In addition, the BU4338G-TR is designed to minimize power consumption and has a maximum current draw of only 4μA. This makes the device suitable for low-power applications.

In summary, the BU4338G-TR is a versatile and robust supervisor that is ideal for high-power applications and can operate with a wide variety of power supplies. It is capable of withstanding overvoltage and overcurrent protection up to 40V and 70A and has advanced safety features such as fault saving and hysteresis. In addition, the BU4338G-TR is designed to minimize power consumption and is suitable for use in a wide temperature range of -40°C to +125°C. As such, it is an excellent choice for system designers looking for a reliable and power-efficient supervisor.

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