General Description
The DS2741 current monitor/accumulator is a complete current-sensing, measuring, and accumulation device tailored for cost-sensitive, battery-powered applications in a small 3mm x 3mm TDFN package. As a result, the DS2741 is a key component in battery-charge control and remaining capacity-estimation applications.

Features
♦ Complete, Low-Cost, Integrated Current-Sensing and Accumulation Solution with Serial Digital Output
♦ On-Board 38mΩ Sense Resistor
♦ Current Measurement: Signed 10-Bit Bidirectional Measurement
    ±2.5A Dynamic Range
    1% Error at +25°C
    2% Error Over Temperature
♦ Current Accumulation:
    0.247mAhr LSB
    ±8.1Ahrs Full-Scale Range
♦ Industry-Standard I2C Interface with FactoryProgrammable Slave Address
♦ 2.5V to 4.5V Single-Supply Operation
♦ Low-Power Consumption:
    Active Current: 60µA (typ)
    Sleep Current: 1µA (typ)
♦ -20°C to +70°C Operating Range
♦ 14-Pin TDFN (3mm x 3mm x 0.8mm)

Applications
    Cell Phones
    PDAs
    Battery Monitor/Rechargers