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Datasheet Linear Technology LTC2941CDCB#PBF

ManufacturerLinear Technology
Part NumberLTC2941CDCB#PBF

Battery Gas Gauge with I2C Interface


  • Download » Datasheet, PDF, 213 Kb, Revision: B
    LTC2941 - Battery Gas Gauge with I2C Interface
    Docket ↓
    Battery Gas Gauge
    with I2C Interface
    Features Description Indicates Accumulated Battery Charge and
    n High Accuracy Analog Integratio High Side Sense
    n 1% Charge Accuracy
    n ±50mV Sense Voltage Range
    n SMBus/I2C Interface
    n Configurable Alert Output/Charge Complete Input
    n 2.7V to 5.5V Operating Range
    n Quiescent Current Less Than 100µA
    n Small 6-Pin 2mm × 3mm DFN and 8-Lead
    MSOP Packages The LTC®2941 measures battery charge state in batterysupplied handheld PC and portable product applications.
    Its operating range is perfectly suited for single-cell Li-Ion
    batteries. A precision coulomb counter integrates current
    through a sense resistor between the battery’s positive
    terminal and the load or charger. The measured charge
    is stored in internal registers. An SMBus/I2C interface
    accesses and configures the device. Applications The LTC2941 requires only a single low value external
    sense resistor to set the current range. n Low Power Handheld Products Cellular Phones
    n MP3 Player
    n Cameras ...



Package2x3 DFN-6
Package CodeDCB


Demo BoardsDC1496B-A
Design ToolsLTspice Model,Linduino File
Export Controlno yes/no
I/OSerial I2C
Operating Temperature Range0 to 70 °C
Sense ResistorExternal
Vin Max5.5 V
Vin Min2.7 V

Eco Plan


Moldel Line

Series: LTC2941 (10)

Manufacturer's Classification

  • Power Management > Battery Management > Coulomb Counter (Battery Fuel Gauge)

Other Names:


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