![]() Using the bq27x00 With a Primary Cell Batteryīq27x00 Single-Cell Battery Fuel Gauge Module Tester and ProgrammerĬhoosing Between Battery Gas Gauges & Monitors to Track Charge AvailabililityĬonfiguring the bq27000/200 for Gas Gauge Applicationsīuilding a Superior Battery Monitor with the bq27x00 Multicell Li-Ion and Li-Pol Battery Gas-Gauge Application Using the bqJunior ![]() Single Cell Impedance Track Printed-Circuit Board LayoutĬomplete battery-pack design for one- or two-cell portable applications A)ĮSD and RF Mitigation in Handheld Battery Pack Electronics D)īq27200 Single Cell Battery Fuel Gauge Evaluation Module (Rev. Single-Cell Li-Ion and Li-Pol Battery Gas Gauge IC For Portable Applications datasheet (Rev. The bqJUNIOR can operate directly from single-cell Li-Ion and Li-Pol batteries and communicates to the system over a HDQ one-wire or I 2C serial interface. Internal registers include current, capacity, time-to-empty, state-of-charge, cell temperature and voltage, status, and more. Battery capacity is automatically recalibrated, or learned, in the course of a discharge cycle from full to empty. Compensations for battery temperature, self-discharge, and discharge rate are applied to the capacity measurments to provide available time-to-empty information across a wide range of operating conditions. The IC monitors a voltage drop across a small current sense resistor connected in series with the battery to determine charge and discharge activity of the battery. The bqJUNIOR series are highly accurate stand-alone single-cell Li-Ion and Li-Pol battery capacity monitoring and reporting devices targeted at space-limited, portable applications. Available in a Small 3 mm x 4 mm QFN PackageīqJUNIOR is a trademark of Texas Instruments.Automatic Sleep Mode When Communication Lines are Low.Dynamic End-of-Discharge Detection Delay to Allow Use in a High-Dynamic Load Environment.Stable Oscillator Without External Components.Internal User EEPROM Configuration Memory.High Accuracy Charge and Discharge Current Integration with Automatic Offset Calibration.Reports Temperature, Voltage, and Current.Reports Accurate Time-to-Empty With Measured Load and Historical Maximum and Standby Loads.parametric-filter Battery monitors & balancers.parametric-filter Battery authentication ICs.parametric-filter USB power switches & charging port controllers.parametric-filter Supervisor & reset ICs.parametric-filter Power-supply filter ICs.parametric-filter Power over Ethernet (PoE) ICs. ![]()
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