BU4919F-TR

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The BU4919F-TR is a supervision IC (Integrated Circuit) part of a PMIC (Power Management IC), and is part of a series of power management products created by ROHM Electronics. As part of the series, the BU4919F-TR performs a variety of power management functions. It is defined as a "supervisor", as it assists in monitoring a device\'s current and voltage levels, and helps regulate them for a longer lifespan of the device.The BU4919F-TR can monitor a wide range of voltage levels. It is optimized for 2.8V ~ 5.5V, with 0.4V accuracy. This allows for a wide range of current and voltage levels to be monitored and regulated, which makes the part suitable for a variety of applications. The BU4919F-TR also has an overvoltage detection circuit, which can detect when a device is being operated at too high of a voltage level, preventing it from overloading or damaging other components. Additionally, the part features undervoltage detection, as well as an error amplifier circuit which helps in the protection of the load.The BU4919F-TR has a wide range of applications, due to its ability to monitor and regulate various current and voltage levels. It is particularly useful in applications such as smart phones, tablet PCs, notebook PCs, video game consoles, digital cameras, and LCD monitors, where it is important to have accurate monitoring of current and voltage levels for improved performance and reliability.The BU4919F-TR also features a comprehensive protection circuit, which further enhances its usefulness in these types of applications. The protection circuit includes overcurrent protection, short circuit protection, thermal protection, and external pin protection, which all work together to protect the device from potential overloads or other damaging operating conditions.The working principle of the BU4919F-TR is simple. It uses a monitoring circuit to detect an input voltage or current, and compares it to a reference voltage or current. If the input is higher than the reference, then the BU4919F-TR will trigger and generate a signal, indicating that the voltage or current is too high and needs to be regulated. However, if the input is lower than the reference, then the BU4919F-TR will not trigger, and the load will remain in its regular operating state.Overall, the BU4919F-TR is a highly reliable and useful supervisor IC that can monitor and regulate current and voltage levels in a range of devices. Its ability to detect overvoltage, undervoltage, and other hazardous operating conditions make it particularly suitable for use in a range of applications, from smart phones to LCD monitors. Its versatile protection circuit further enhances its reliability, making the BU4919F-TR an ideal choice for reliable power management.

The specific data is subject to PDF, and the above content is for reference