BQ27741YZFT-G1 Integrated Circuits (ICs)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The BQ27741YZFT-G1 is a low-power, multi-chemistry battery fuel gauge IC designed to provide highly accurate gas gauging for multi-cell battery packs. The device can measure multiple cell voltages, currents, and temperatures, allowing a user to accurately calculate the state of charge and health of the battery. It is typically used in portable applications like smartphones, tablets, external batteries, and other mobile devices.

Features of BQ27741YZFT-G1

• High accuracyfuel-gauge: The BQ27741YZFT-G1 features a sophisticated algorithm using A/D conversion and precision linearization techniques that results in ±2% to 5% accuracy for State of Charge (SOC) and ±1% for State of Health (SOH).
• Compact size: The device measures 8.7mm x 6.2mm, making it very suitable for space constrained applications.
• Powerful configurability: The device can be configured to support up to 5-cell batteries with multiple charge chemistries, including Li-Ion, Li-Polymer, Lead Acid, and Ni-MH.
• Advanced safety features: The device features both temperature and voltage monitoring which allows the host to manage battery safety and maximize the lifespan of the battery.

Application Field

The BQ27741YZFT-G1 is an ideal solution for applications that require accurate fuel gauging of multi-cell batteries with high configurability, low power consumption, and a small form factor. These applications include mobile devices such as smartphones, tablets, portable computers, and hand-held medical devices.

Working Principle

The BQ27741YZFT-G1 device uses a patented algorithm known as Impedance Track, which measures the differences in current, temperature and applied voltage to accurately estimate the Remaining Capacity. This algorithm is extremely accurate and reliable regardless of the battery chemistry or model.

The device also supports bidirectional current detection, allowing it to determine whether the battery is charging, discharging, or at rest. This enables the device to accurately estimate the available capacity and state of charge, even in dynamic conditions.

The device can also be configured to support multiple charge chemistries, such as Li-Ion, Li-Po, Lead Acid, and Ni-MH. This allows the host to accurately estimate the state-of-charge of the battery, regardless of the battery chemistry.

The device also features advanced safety features, including temperature and voltage monitoring. This allows the host to detect any anomalies in operation and manage battery safety, maximizing the life of the battery.

Conclusion

The BQ27741YZFT-G1 is an ideal solution for applications requiring accurate fuel gauging of multi-cell batteries with configurability,low power consumption, and a small form factor. With its high accuracy, robust feature set, and multiple charge chemistry support, the BQ27741YZFT-G1 is a great solution for applications in the mobile space.

The specific data is subject to PDF, and the above content is for reference