BQ2002CSNG4

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PMIC - Battery Chargers

The BQ2002CSNG4 PMIC is a Battery Charger with multi-battery support and advanced features in a very small footprint. It provides users with an automatic application field and working principle for quick charging of many different types of batteries.

The BQ2002CSNG4 is the perfect PMIC for designing multi- battery systems, such as for automotive, healthcare, and security applications. The charger automatically determines the suitable charging method for each battery, adapting to its type and charging criteria for a safe and quick charging process. The charger also comes with smart monitoring and protection features to ensure the safe charging process.

Features

The BQ2002CSNG4 Battery Charger has a wide range of features, including:

• Automatic charging procedure to select suitable charging method
• Multi-battery support: with up to 5 batteries
• Automatic and adjustable fast charging
• Selectable charge current range: 200mA to 1A
• Charge Enable and Charge Status pins
• Charger enable pin
• Voltage monitor I/O pin
• Power-on reset supervisor for charge settings updation
• Power transfer management
• Smart monitoring and protection features
• ESD protection

Working Principle

The BQ2002CSNG4 PMIC requires 3V to 6V to operate properly. It is designed to charge any kind of battery, including Li-Ion, Li-Po, NiMH, and lead acid, with a maximum current of 1A. It has adjustable fast-charge and low-voltage cutoff parameters, which can be set in 0.1V increments. The voltage monitor I/O pin allows the battery voltage to be monitored with an external controller or host. The power-on reset supervisor enables updating of the charge parameters automatically at power-on, which removes the need for manual configuration.

The charger enables and status pins allow for intelligent switching of the charger and to monitor the status of a battery, respectively. This information is used for power-management systems in order to reduce system complexity. The charger also includes an Over-temperature, Over-voltage and Over-current protection to ensure the safe charging process.

Application Fields

The BQ2002CSNG4 PMIC is a perfect solution for battery-powered applications that require fast and accurate charging. Its low-voltage and quick-charge capabilities make it suitable for automotive and healthcare applications. Its multi-battery support and safety features make it suitable for security systems. Its power-transfer management and voltage monitor I/O pins make it an ideal PMIC for intelligent battery management applications such as mobile phones and tablets.

The BQ2002CSNG4 PMIC is an advanced battery charger with multi-battery support, adjustable fast-charge, and smart monitoring and protection features designed for a safe and efficient charging process. It is suitable for a variety of applications and its features make it an ideal solution for battery-powered systems.

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