BQ2002DSNTR

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PMIC - Battery Chargers are becoming increasingly common in a variety of applications. The BQ2002DSNTR is a popular example of such a device, providing a reliable and efficient way to charge batteries in a range of applications. This article will look at the application field and working principle of the BQ2002DSNTR.

The BQ2002DSNTR is a single-cell Lithium-ion battery charger IC that is designed for space-constrained applications. This small device measures just 2.6 mm x 3.2 mm and comes in a TDFN package. It is ideal for designers looking to create space-constrained solutions, such as portable medical devices, wearables, and home appliances.

The BQ2002DSNTR is designed to be used in constant current/constant voltage (CC/CV) charging circuits. This type of charging system is well-suited for Li-ion batteries, as it charges the battery quickly and safely. In a typical application, the BQ2002DSNTR is connected to an external power supply, such as a wall adapter or USB port. The device then regulates the current and voltage according to the characteristics of the Li-ion battery, charging it until it reaches its full capacity.

The device is a current- and voltage-mode, switch-mode battery charger. This means that it adjusts the charging current and voltage according to the battery’s charge state. For example, when the battery reaches a certain charge level, the BQ2002DSNTR will reduce the current and voltage to maintain the safe charge level. This prevents the battery from becoming overcharged and ensures a safe and efficient charging process.

The BQ2002DSNTR also features a wide operating range, allowing it to be used in a variety of applications. It has a recommended operating voltage range of 4.2 V to 14.6 V and an input current range of 0.5 A to 3 A. This means it can be used in applications that require a wide range of charge levels, such as home appliances, wearables, and mobile devices.

The BQ2002DSNTR also uses a number of safety features to ensure a reliable charging process. The device uses several protection mechanisms, such as over-temperature, over-voltage, over-current, and short-circuit protection. This ensures that the battery is charged safely and efficiently, preventing any damage to the battery or device.

In conclusion, the BQ2002DSNTR is an ideal PMIC - Battery Charger for space-constrained applications. The device is designed to be used in constant current/constant voltage charging circuits and features a wide operating range and a range of safety features. This makes it an ideal solution for a variety of applications, such as home appliances, wearables, and medical devices.

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