BQ27621YZFT-G1A

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PMIC - Battery Management

BQ27621YZFT-G1A is a power management integrated circuit (PMIC) designed for battery management. This chip is ideal for single-cell and multi-cell battery packs that are used in mobile devices, consumer electronics, medical equipment, telecommunication systems, transportation systems, and more. It can accurately measure and monitor the health of batteries, including the battery voltage, current, temperature and state-of-charge (SOC).

This chip offers many features including 15-bit ADC resolution, programmable digital filters, user-defined alert levels, and battery-out shutdown while in deep-discharge modes. These features provide a reliable power system to increase the life and reliability of applications that use battery packs. It also offers a high level of programming flexibility for users to customize the chip for specific needs.

The BQ27621YZFT-G1A is equipped with two serial interfaces for communication. The first one is the integrated SPI, which is an 8-channel, four-wire serial interface for exchanging data and commands. The second one is an I2C bus, which allows for multiple communications with other peripherals, such as Fuel Gauge ICs, digital temperature sensors, and external EEPROMs.

The BQ27621YZFT-G1A provides a very sophisticated set of features to ensure a highly efficient and reliable system. The chip contains a variety of precision digital filters and automatic gain control, which are designed to eliminate unwanted noise and signal components. This helps ensure accurate battery readings and predictive models. It also contains a system mode detection unit, which is used to detect the operating mode of the system and switch between the operating modes accordingly. The chip also has several voltage regulation features, such as an adjustable linear battery charger, an adjustable power path management, and a variable frequency converter. These features help to protect and extend the life of batteries.

The BQ27621YZFT-G1A is designed for control applications in mobile devices, consumer electronics, medical equipment, telecommunication systems, and transportation systems. It can accurately help users to monitor and manage the batteries in their applications. This chip provides a high level of programming flexibility so that the user can customize the chip for specific needs. With the combination of its precision digital filters, automatic gain control, system mode detection unit, and voltage regulation features, this chip can help users get the most out of their battery packs by helping to prolong their life and reliability.

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