BQ7790509PW

The BQ7790509PW is a power management integrated circuit (PMIC) designed to regulate and monitor the output of batteries and provide information about the batteries’ status. It is both a battery charger and fuel gauge for Lithium-Ion (Li-ion) batteries and provides a complete solution for battery monitoring and maintenance. The BQ7790509PW is designed to be used in a wide range of applications requiring accurate fuel gauging, charging, and protection of Li-ion batteries.

The BQ7790509PW is a highly integrated PMIC that provides complete battery-management solutions to ensure maximum battery performance and life. It incorporates a charge controller, a Discharge FET controller, a temperature sensor, an RTC, and a Fuel Gauge System along with BQ In-Sight™ Impedance and Coulomb-Counting technology that provides detailed and accurate energy measurement of the battery.

In addition to providing full safety functionality to Li-ion batteries, the BQ7790509PW also enables information to be communicated from the battery back up to the host system. This allows the host system to monitor and verify the health of the battery and make adjustments to protect the battery from temperature, overvoltage and overcurrent events. The BQ7790509PW also offers programmable protection levels for the discharge and charge functions.

The BQ7790509PW features an Intelligent Charge Control System that allows it to be used in both low and high-speed charging modes. Additionally the built-in MAXQ2051 internal protection IC offers an integrated safety interface, which is able to detect failures such as short circuit conditions and provides up to three added layers of safety. The BQ7790509PW extends the life of the battery by preventing overcharging, over-discharging and over current conditions.

The BQ7790509PW is a versatile PMIC with user-configurable charging and protection levels. The device can be programmed to optimize system performance and protect the battery. By utilizing BQ In-Sight™ Impedance and Coulomb-Counting technology, the device is able to detect the battery’s state of charge and provide the necessary information to the system regarding the status of the battery, ensuring maximum battery life.

The BQ7790509PW provides a comprehensive solution for Li-ion batteries as it integrates charge control, End of Charge and End of Discharge features, and provides comprehensive data on the battery’s status. This makes it ideal for applications requiring reliable, accurate monitoring and control of Li-ion batteries.