BQ2057TTSTRG4

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The BQ2057TTSTRG4 is a programmable, 1-cell Li+ fuel gauge and charger IC with the flexibility to support multiple charging algorithms. This device, which is part of the SmartGroup family of products, is optimized for system cost, flexibility, and accuracy in applications with rechargeable 1-cell Li+ batteries. It provides a host of programmable parameters to match the requirements of system-level protection, including preconditioning, termination, thermal regulation, and safety timers. Along with its charging capabilities, the IC also features an integrated fuel gauge that can provide real-time information on the state of charge (SOC) of a battery, and an internal clock that enables “wake-up” applications for scheduled-maintenance tasks.

The BQ2057TTSTRG4 is a very powerful device in the Battery Chargers category of PMICs. This IC is equipped with a voltage-based preconditioning algorithm, allowing the part to precondition most battery chemistries. The charging algorithms can be programmed by the host depending on the rechargeable battery being used, enabling the system to support all of the standard rate terminations, as well as any specific algorithms or termination conditions that may be required by the battery. The internal fuel gauge provides a highly accurate and reliable indication of the battery\'s state of charge (SOC). The SmartGroup architecture also ensures extremely low-duty cycles to maximize system performance and minimize power consumption.

In addition, the programmable features of the BQ2057TTSTRG4 make it an ideal choice for applications that require flexibility and accuracy. The fuel gauge data can be used to supply an optimal charging rate for the battery, and it can be used to monitor the charge status to make sure that the battery is not overcharged. The charging algorithms can be programmed to automatically adjust the charging voltage depending on the battery’s charge status, and it can also be used to reduce the charging time based on temperature and other external conditions.

The BQ2057TTSTRG4 is ideal for applications such as mobile phones, digital cameras, MP3 players, notebook computers, and other mobile/portable products. It provides improved battery life and enhanced performance, while enabling system designers to meet the requirements of the latest technologies. By combining its highly accurate fuel gauge, low-power charging algorithm, and advanced safety features, the BQ2057TTSTRG4 offers designers a solution that is both powerful and cost effective.

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