MP26057DQ-LF-P

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MP26057DQ-LF-P Battery Charger Application Field and Working Principle

The MP26057DQ-LF-P is a highly integrated and efficient dual-mode charger designed to prevent overcharging and over discharging lithium-ion/polymer cell batteries. The device consists of four individually enabled charging channels that provide both constant current/constant voltage (CC/CV) and pulse charging with thermal management features. Each charging channel is capable of delivering up to 2A in both CC and CV modes. This allows the charger to charge higher capacity cells in shorter amounts of time, while providing a reliable charging cycle. The MP26057DQ-LF-P offers an industry-leading low-quiescent current of 6μA to maximize portability and increase battery life.

The MP26057DQ-LF-P is one of the few chargers capable of supporting two different battery types and charging two cells simultaneously. The charger supports Li-Ion, Li-Polymer, and Ni-MH/Ni-Cd cells. Each channel can be configured for either Li-Ion or Li-Polymer cells. After the configuration, the approach for each cell is optimized for its battery type, minimizing the risk of overcharging the cell. Additionally, the charger will detect when a cell is fully charged and adjust its charging current accordingly, stopping the charging process when the cell is charged.

Advantages of MP26057DQ-LF-P

The MP26057DQ-LF-P is extremely efficient and is capable of up to 97.5% efficiency. This makes it suitable for any application where space and power consumption are critical considerations. In addition, it features over-voltage, over-current, over-temperature, reverse-charge, and short-circuit protections for enhanced reliability and longevity. With its integrated thermal protection, the charger can reduce charging current when the temperature of the device surpasses a certain value.

The device is also protected from reverse-charge current, short-circuit current, over-current, and over-voltage. All of these features make the MP26057DQ-LF-P a potential solution for any application where battery charging must be safe, efficient, and reliable.

Working Principle of MP26057DQ-LF-P

The MP26057DQ-LF-P uses a constant current/constant voltage (CC/CV) charging method. This means that the device will charge the battery cells with a constant current until it reaches the predetermined voltage. When it reaches the target voltage, the device will switch over to a constant voltage, where it will keep the voltage at the targeted value until the battery is fully charged.

The MP26057DQ-LF-P also has an adjustable charge current for each cell, along with a temperature sensor that measures the battery temperature and adjusts the charge current accordingly. The device is also capable of delivering up to 2A in both the CC and CV modes, making it ideal for faster charging of larger capacity cells.

Conclusion

The MP26057DQ-LF-P is a highly efficient battery charger specifically designed to charge lithium-ion/polymer cell batteries without risk of overcharging or over discharging. It is one of the few chargers capable of supporting two different battery types and charging two cells simultaneously. The device is highly efficient and can deliver up to 97.5% efficiency, making it an ideal solution for space and power constrained applications. Additionally, the charger features multiple protections against over-voltage, over-current, over-temperature, reverse-charge, and short-circuit, making it a reliable and safe choice. It also features an adjustable charge current and temperature sensing to ensure safe and reliable charging.

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