BU4942F-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

A Supervisor, or Supervisory Integrated Circuit, is a device designed to monitor the power supply conditions of an integrated circuit, such as an MCU, and will report any abnormalities to the system processor. The BU4942F-TR is one of these supervisors, specifically designed to monitor single cell lithium ion rechargeable batteries. It is one of the most advanced, highly integrated, and reliable battery monitoring and protection integrated products on the market, and as such can be used in various applications.

The BU4942F-TR has a wide range of features, including voltage detection, over-discharge, over-charge, temperature monitoring, over-current protection and cooling measures. It is highly recommended for protection control for single-cell Li-ion battery packs that require a long cycle life, long lifetime, and a high level of safety. The device is available in both a Pb-free, thermally enhanced SOP-8 package, as well as a Pb-free WLCSP2.5 package.

The BU4942F-TR application field is divided into various industries and applications, such as portable handsets, automotive electronics, digital cameras, recorders and MP3 players, LED flashlights, and portable gaming devices. These devices all contain integrated circuits that require a certain level of supervision, and the BU4942F-TR is the perfect choice for that role. Additionally, the device can be used in many other applications such as power converter, AC/DC adapter, USB connecter, battery charger, and more.

The device is available in two versions: the first is a stand-alone version that does not require any external components, and the second is a version that uses a specific external reference voltage for over-charge protection. The stand-alone version has an integrated voltage comparator, over-discharge and over-charge protection, and a temperature monitoring function. It also has a window watchdog timer and an on/off switch to enable the circuit, as well as internal overvoltage and thermal protection.

The working principle of the BU4942F-TR is based on the use of a voltage monitoring circuit that continuously measures the battery\'s voltage and compares it to predetermined thresholds. This comparison is then used to activate different functions in the chip, such as shutting off the system power when the voltage falls too low, or increasing the charging voltage when the battery is being charged. The device also has an internal window watchdog timer, which monitors the current level of the battery and compares it to a preset threshold. If the voltage falls too low, or if the current becomes too high, the watchdog will signal the system processor to take action.

Another major function of the BU4942F-TR is the ability to control the charge current, based on the temperature of the battery. When the temperature is too high, the device will reduce the charging current to prevent excessive heat buildup in the system, and when the temperature is too low, it can increase the current to bring the battery up to a desired level. Additionally, the device has an overvoltage protection circuit which helps protect the battery against sudden spikes in voltage.

Overall, the BU4942F-TR is a highly reliable and highly efficient solution for total battery management and protection, and is well-suited for a variety of industries and applications. It is highly effective in protecting the battery and in monitoring battery conditions, and thus is an essential component in any device that uses this type of power source.

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