XC6802A42XPR-G

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A PMIC (power management integrated circuit) is a semiconductor device that manages power distribution and consumption in order to ensure the efficient use of power. PMICs are widely used in various applications, including battery charging, to monitor and control the charging and discharging of battery cells. One such PMIC – the XC6802A42XPR-G – is a specialised power management integrated circuit specifically designed for use in battery charger applications.

The XC6802A42XPR-G is a high-efficiency, low quiescent current linear battery charger controller from the XC6000 family. It offers an accurate, 50µA (100mV)-per-cell linear charging current throughout the charge cycle, ensuring a safe and efficient charge to the battery cells and allowing fast charging times of less than two hours for both three and four batteries. The XC6802A42XPR-G also features built-in overvoltage and thermal protection, reverse current and cell mismatch protection, and sleep mode circuitry, providing designers with the robust protection needed to ensure safety and reliability.

The XC6802A42XPR-G is ideal for use in battery-powered applications where fast charge times and extended battery life are critical requirements. It is designed to operate with a single supply voltage of 12 volts, making it compatible with a wide range of batteries and battery chemistries, including lead acid and lithium-ion. The XC6802A42XPR-G also has a wide temperature operating range of −40°C to +85°C, making it suitable for a variety of battery-powered applications in challenging environmental conditions.

The XC6802A42XPR-G is easy to use and set up, requiring only a few external components for a complete charge system. The device can be configured to suit the capacity, chemistry and charging requirements of both prismatic and non-prismatic cell applications, allowing for maximum flexibility and design freedom. The XC6802A42XPR-G also supports multiple charging modes, including constant voltage and constant current, allowing the user to select the optimal setting for their application.

The XC6802A42XPR-G’s working principle is based on the concept of a voltage divider. It uses a resistor divider circuit to accurately measure the battery cell voltage, and then uses an internal control loop to adjust the charging current to ensure the battery cell is charged efficiently and safely. The device monitors each cell voltage through individual comparators, which then adjust the charging current to ensure the cells remain in balance during the charging process. This ensures a uniform charge across all cells and maximizes the overall battery life.

The XC6802A42XPR-G is an ideal choice for fast-charging applications. It provides robust protection, flexibility and high-efficiency cell charging, and is a great solution for designers of battery-powered applications requiring extended battery life and fast charge times.

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