BQ771809DPJR Integrated Circuits (ICs)

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Power management integrated circuits (PMICs) are essential for powering and controlling the various components of mobile and embedded systems. With the increasing complexity and power demands of mobile and embedded electronics, PMICs are being looked to for their ability to manage a system’s power needs more efficiently.The BQ771809DPJR is a high-integration, advanced multi-cell battery monitor, measuring voltage, current, temperature, and charge/discharge cycles for up to five series connected cells and providing effective protection for Li-ion/Li-Polymer batteries.The BQ771809DPJR is suitable for use in a variety of applications, such as automotive, medical and industrial power management, as well as mobile device power management, where extended run-time, long cycle-life and efficient balancing of a battery packs are critical.The BQ771809DPJR features a wide operating temperature range, smart measurement techniques and advanced diagnostics, enabling the device to offer best in-class level accuracy during battery management.The BQ771809DPJR works by monitoring each cell in a stack, measuring a variety of parameters such as voltage, current and temperature, and providing comprehensive protection for each cell. The device also keeps track of charge/discharge cycles, which can be used to manage the health of a battery pack. The device is designed to be compatible with both Li-ion and Li-Polymer battery technologies, with a wide voltage range suitable for both.Based on the PSoC 3 architecture, the BQ771809DPJR is an SoC, integrating a digital signal processor (DSP), an analog measurement device, a digital memory, an on-chip temperature sensor, and a safety mechanism. The device has a flexible set of parameters that can be finely tuned to fit its application, including voltage cell balancing and available current levels, which can be customized by the user.The BQ771809DPJR integrates sophisticated diagnostics, offering a clear overview of battery performance, with the ability to detect any problems in the system such as a damaged cell. The device is also capable of monitoring temperature, current and voltage of each cell in a pack, enabling it to effectively balance cell voltages during charging and discharging.In conclusion, the BQ771809DPJR is an advanced multi-cell battery monitor, suited for applications where extended run-time, long cycle life and efficient balancing of a battery pack are critical. The device is well suited for use in automotive, medical and industrial power management, as well as mobile device power management. With its integrated digital signal processor, analog measurement device and on-chip temperature sensor, the BQ771809DPJR provides a reliable and accurate monitoring solution, allowing for a detailed overview of battery performance.

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