BQ24007PWPR

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The BQ24007PWPR is a battery charger integrated circuit designed to charge single-cell Li-ion and Li-Pol batteries. It is ideal for applications where limited space and a small form factor are necessary. This IC integrates a linear charge pump with a USB charger for single cell Li-ion/Li-Pol battery management. It supports a 3.5 to 28V system voltage range and a charge voltage up to 4.45V. It is optimized to increase the battery cycle life by charging at a safe and constant rate.

The BQ24007PWPR offers the following features:

• Low Input Voltage – 3.5V to 28V
• Programmable Charge Current up to 2A
• Integrated USB Charge Detection
• Charge Status Outputs
• Thermal Regulation
• Autorestart

These features make it suitable for a wide variety of applications, such as notebooks, PDAs, cellular phones and portables with USB connections. The BQ24007PWPR can be used in both constant voltage and constant current charge solutions.

The BQ24007PWPR works by providing a regulated power source for the Li-ion/Li-Pol battery. It uses a buck/boost converter to convert an input voltage ranging from 3.5V to 28V into a charging voltage of up to 4.45V. The BQ24007PWPR then monitor and regulate the charging process, ensuring that it is completed in the safest and most efficient way possible. The IC is designed to automatically detect the presence of a USB connection, which will then control the charge current and voltage.

The BQ24007PWPR also features thermal regulation, which ensures that the device stays within safe operating temperatures. This is accomplished by reducing the charge current when the temperature exceeds the maximum threshold. The IC also has an autorestart function, which will resume normal operation when the temperature returns to a safe range. This is especially useful in applications where the temperature changes rapidly or where exposure to extreme temperatures is likely.

The BQ24007PWPR is an extremely useful and versatile PMIC for Charger Battery applications. Its flexible and feature rich design makes it suitable for both constant voltage and constant current applications, while its built-in protection and monitoring features ensure that the batteries are charged safely and efficiently.

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