BQ24007PWPG4

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The BQ24007PWPG4 is a battery charger system, classified under PMIC - Battery Chargers. It is designed with important components to help optimize the charging of multiple cell Lithium-Ion batteries. It is compliant with the USB and AC adapter inputs, making it suitable for both portable and non-portable applications. The chip has an internal power supply and it integrates an adjustable charge current controller, and input over-voltage protection and over-temperature protection.

The main application field of the BQ24007PWPG4 is consumer and industrial electronic products, such as mobile phones, handheld electronic devices, laptops and industrial equipment for example. It also contains useful functions to avoid over-charging and discharging, thus enhancing the life cycle of the battery.

The working principle of the BQ24007PWPG4 integrates multiple protection circuits whereby the PROT pin is used to adjust the maximum charging current of the system. This is useful for many reasons as it facilitates protection against over voltage and over current, and prevents short circuit. Furthermore, it provides the option to select the required system safety cut-off voltage of 4.0, 4.2, 4.35, 4.50 and 4.60 Volts.

The chip is also designed to automatically terminate the charging to protect the system against any risk of over-charging. It achieves this by monitoring the system’s charge current, when it drops below a threshold of 7% of the programmable maximum charging current level, it will then initiate a safety timer based safety cut-off.

In resume, the BQ24007PWPG4 is a highly useful component for charging Li-Ion batteries in a variety of consumer and industrial applications. Its robust and reliable protection circuitry, as well as its optimized charging algorithm enable a safe, efficient, and cost effective solution.

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