BQ20Z80ADBT-V110G4

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The BQ20Z80ADBT-V110G4 is a high performance power (PMIC) battery management IC designed to provide maximum power optimization, safety and system accuracy. The device is part of Texas Instruments\' Power Management Integrated Circuit (PMIC) family, serving a variety of battery-powered systems including wireless computing, medical, automotive, and consumer electronics applications.

The BQ20Z80ADBT-V110G4 features an integrated 3-channel battery fuel gauge, temperature monitoring, and battery cell balancing capabilities. It is capable of measuring and controlling the state of charge (SOC) of Lithium-ion and other Li-Polymer type battery cells with accuracy levels greater than 99%. This device is ideal for a variety of mobile applications such as unmanned aerial vehicles (UAV) and wearables. It is also suitable for any application involving real-time fuel level monitoring and provides a low-power, accurate, and cost-effective solution to accurately track the battery SOC.

The BQ20Z80ADBT-V110G4 works by operating between two voltage/current ranges, one with a maximum input voltage of 8 V and a maximum current of 1.5 A, and the other with a maximum voltage of 3.6 V and a maximum current of 3.0 A. It is internal responsive to a wide range of Li-ion and Li-polymer battery cell chemistries and provides an accurate, low-power system for precisely measuring battery SOC in applications where it is challenging for other solutions. The device can also automatically balance the charge between multiple connected cells, ensuring an overall system with an accurate battery SOC.

The BQ20Z80ADBT-V110G4 provides battery fuel gauging over a wide temperature range with a built-in temperature monitor. This device measures the individual cell’s temperature parameters such asCharging Temperature Viability (CTV), Over-charge Protection (OCP), Over Discharge Protection (ODP) and Discharge Termination Level (TTL), and provides programmable safety protection against over-temperature events. The device also provides various wake-up sources such as Timer wake-up, TMR wake-up, RTC wake-up and USB wake-up.

The BQ20Z80ADBT-V110G4 includes features for increased safety and reliability such as pre-charge state detection, Over-Voltage/Under Voltage/ Over current protection, system monitoring and a power failure digital output pin. It is compliant with the I2C adjustable charging rate and Smart Tune charging approach, making it suitable for use in mobile systems where the charging rate and voltage levels need to be tailored to the specific system requirements.

The BQ20Z80ADBT-V110G4 is an ideal battery management solution for a wide range of mobile applications, where increased safety and reliability are essential. It allows for accurate and accurate performance without sacrificing power efficiency.

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