BQ2004SNTR Integrated Circuits (ICs)

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PMIC – Battery Chargers are one of the most commonly used devices to charge batteries. The BQ2004SNTR is a popular battery charger with a wide range of applications, including mobile phones and portable media players. Based on the advanced, highly efficient Power Management Integrated Circuit (PMIC) architecture, the BQ2004SNTR provides a safe and reliable charging solution with over-current, over-voltage, over-temperature and short-circuit protection.

The BQ2004SNTR is a highly integrated battery charging IC that provides support for all common types of rechargeable batteries. It supports fast charging with up to 1A current sinking and current sourcing from as low as 4.2V to as high as 16V. It also provides a built-in precision voltage and current regulator with hysteresis points of 4.2V and 2.8V respectively. For the very efficient step-down circuits, the BQ2004SNTR features a high efficiency DC/DC converter with a switching frequency of 1MHz.

The BQ2004SNTR’s features help to reduce energy consumption as it is possible to reduce the amount of power needed to charge the device. The PMIC also has an Active Discharge feature which pre-discharges the battery to the correct voltage before starting to charge it. This helps in reducing total charging time and ensures that the battery is charged quickly and safely.

In terms of safety and protection, the BQ2004SNTR provides several features to protect the battery against damages due to overcharging, over-discharging and over-temperature. Over-current protection (OCP) is provided with an adjustable current limit that can be set according to the capacity of the battery. Similarly, over-voltage protection (OVP) is available with both fixed and adjustable OVP levels. The BQ2004SNTR also features a thermal protection (TPA) to protect the device from overheating, enabling it to remain cool during the charging process.

The BQ2004SNTR also supports several other features such as end-of-charge detection, trickle charge, low voltage trickle charge and low power quick charge. Additionally, it is also compatible with a wide range of end equipment, making it an ideal choice for various applications such as portable media players, digital cameras and mobile phones.

In conclusion, the BQ2004SNTR is an advanced, efficient and reliable battery charging IC that offers a comprehensive solution for charging a wide range of battery types. With its wide range of protection features, adjustable current and voltage limits, high efficiency step-down DC/DC converter and support for different charging modes, the BQ2004SNTR is an ideal choice for a variety of battery charging applications.

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