BQ2002ESNTRG4

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 BQ2002ESNTRG4 is a highly efficient power management integrated circuit (PMIC) specifically designed for battery charging applications. In order to improve product performance, reduce the cost of components and simplify the design process, power management ICs are commonly employed by battery charging system designers. The BQ2002ESNTRG4, in particular, is an easy to use device that plays an important role in improving the battery charging capability of many end-user devices, such as mobile phones, digital cameras, MP3 players, PDAs and laptop computers.

The BQ2002ESNTRG4 is a stand-alone power management IC that provides a complete charge control solution for single-cell Li-ion battery charging applications. The IC features 10 pins, including an enable/shutdown pin, an over-charge/temperature sense pin, an over-discharge pin, and an analog input pin that can accept current sensing input. The IC also includes a bandgap reference, 3-level charge current control, and thermal protection circuitry. In addition, the IC provides protection against reverse battery connection, battery over-current and over-temperature protection.

The working principle behind the BQ2002ESNTRG4 is simple yet effective. When the enable pin is marked as "high", the IC begins the battery charging process. The IC then enters the constant voltage phase and monitors both the battery voltage and current. When the battery is near its end-point voltage, the IC steps down the charge current and activates the voltage regulation circuit, which maintains the output voltage to a safe level. In addition, the IC constantly monitors the battery temperature during the charging process and shuts off the power if an over-temperature condition is detected. Finally, the IC provides an analog voltage output for monitoring battery conditions, such as battery charge/discharge status and remaining charge.

The BQ2002ESNTRG4 is ideal for Li-ion battery charging applications due to its high efficiency and simple design. With its accurate three-stage charge control and reliable over-temperature protection circuitry, the IC is an indispensable component in the power management strategy of many electronic devices. Furthermore, its small form factor makes this IC a great fit for portable applications where space is limited.

Overall, the BQ2002ESNTRG4 is an impressive PMIC specifically designed for single-cell Li-ion battery charging applications. Its simple yet effective three-stage charge control, thermal protection, and analog output capabilities make it an excellent choice for system designers looking for an easy to use and reliable battery charging solution.

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