BQ29413PWR

Power management integrated circuits (PMIC) are essential components of power conversion systems, capable of controlling the power flow in an efficient and safe way. Battery management (BM) is an increasingly important field of the power management domain – it deals with managing the life and performance of batteries. The Battery Management IC BQ29413PWR is an integrated circuit designed for lithium-ion battery pack applications. This article looks at the application field of the BQ29413PWR, together with its working principle.

Application Field of the BQ29413PWR

The BQ29413PWR is a single-chip, four-channel power management IC (PMIC) designed specifically for small form-factor, lithium-ion battery pack applications. It is designed to improve the overall performance and reliability of small, portable, and battery-powered systems. This PMIC can be used to control and monitor the charging and discharging of a variety of battery chemistries and architectures, including small form-factor batteries such as 18650 and 21700 cells. It features an integrated fuel gauge and multiple safety features, such as short-circuit, overvoltage and over-temperature protection. Moreover, the BQ29413PWR also offers high efficiency and low quiescent current, making it ideal for use in a broad range of portable battery-powered applications, including wearables, tracking devices, and portable medical devices.

Working Principle of the BQ29413PWR

The BQ29413PWR works on a wide range of battery chemistries and architectures. It operates by monitoring each of the four channels independently and then controlling the charge and discharge current and voltage accordingly. The four channels can be used in parallel or in series, depending on the battery architecture, and each channel can be configured to charge and discharge with a maximum current of up to 1.5A. The BQ29413PWR also features a built-in fuel gauge for each channel, providing accurate real-time battery measurements and battery health monitoring. Furthermore, the BQ29413PWR provides a range of safety features to protect the battery, such as overvoltage, over-temperature, and short-circuit protection.

Conclusion

The BQ29413PWR is an integrated circuit designed for lithium-ion battery pack applications. It offers high efficiency with low quiescent current and is designed to improve the overall performance and reliability of small, portable, and battery-powered systems. The BQ29413PWR works by monitoring and controlling the charge and discharge current and voltage of a variety of battery chemistries and architectures, and features a built-in fuel gauge. This PMIC also offers a range of safety features to protect the battery, such as overvoltage, over-temperature, and short-circuit protection.