Single-Cell Li-Ion And Li-Pol Battery Gas Gauge IC

The bqJUNIOR? series BQ27000 are highly accurate stand-alone single-cell Li-Ion and Li-Pol battery capacity monitoring and reporting devices targeted at space-limited, portable applications. 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. 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. Battery capacity is automatically recalibrated, or learned, in the course of a discharge cycle from full to empty. Internal Registers include current, capacity, time-to-empty, state-of-charge, cell temperature and voltage, status, and more.
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 I2C serial Interface
By Texas Instruments
Part Manufacturer Description Datasheet Samples
BQ27000DRKRG4 Texas Instruments Single-Cell Li-Ion and Li-Pol Battery Gas Gauge IC 10-VSON -20 to 70
BQ27000DRKR Texas Instruments Single-Cell Li-Ion and Li-Pol Battery Gas Gauge IC 10-VSON -20 to 70
BQ27000 's PackagesBQ27000 's pdf datasheet

BQ27000 Pinout, Pinouts
BQ27000 pinout,Pin out
This is one package pinout of BQ27000,If you need more pinouts please download BQ27000's pdf datasheet.

BQ27000 Application circuits
BQ27000 circuits
This is one application circuit of BQ27000,If you need more circuits,please download BQ27000's pdf datasheet.

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