BQ771602DPJT

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Today we are going to discuss about the BQ771602DPJT, its usage field and working principle. This device requires three power sources, namely V Battery, V Slew and V Bus. V Battery is a user programmable, low voltage, single cell Li-ion or LiPoly-cell battery source for monitoring and protection of the primary battery. V Slew is a high-voltage, dual cell Li-ion or LiPoly-cell battery source for monitoring and controlling the secondary battery cells. V Bus is a hybrid power supply that combines both V Battery and V Slew to ensure consistent charging, battery discharge and protection in the event of an accidental over voltage or over current on either of the two sources.The BQ771602DPJT may also connect to an external I2C Bus to allow communication with the battery monitoring and/or protection algorithm. This device operates as an “intelligent” battery manager, allowing the battery cell voltage, current, temperature and other environmental parameters to be monitored in real-time by the external algorithm. Using this device ensured a high level of safety and reliability when came to the functional of lithium batteries.The BQ771602DPJT offers many features that support its usage field and working principle. These features include power-on reset protection, field reset, demand based white list protection, under-voltage and overvoltage monitoring and protection, battery temperature monitoring and protection and power source switching. With these features, the device provide an efficient, safe and reliable power management strategy for high performance lithium and LiPoly batteries.The BQ771602DPJT relies on an external MCU to provide intelligence and protection to the battery. When the device is used in combination with the MCU, it acts as a power supervisor, actively monitoring and controlling the battery cells. The MCU monitors the voltage, current and temperature of the lithium cells, and sends a signal to the BQ771602DPJT when a throttle or ramp-down of the power source is necessary in order to prevent overcharging and overheating.The BQ771602DPJT also provides advanced battery monitoring with pre-configured parameters for allowing the user to customize the battery’s charge. This battery monitoring feature completely eliminates the need to manually monitor the battery’s health.In summary, the BQ771602DPJT is a power management IC designed for use in high performance lithium and LiPoly batteries. It offers an efficient and reliable power management solution with a range of protective features such as power-on reset, field reset, demand based white list and temperature detection. The device is connected to an external I2C bus and is controlled by an MCU. The device can be used in applications such as laptops, medical devices and telecommunications devices, providing reliable power supply and protection for lithium and LiPoly batteries.

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