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STEVAL-ISB009V1 Folha de dados(PDF) 1 Page - STMicroelectronics |
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STEVAL-ISB009V1 Folha de dados(HTML) 1 Page - STMicroelectronics |
1 / 4 page Data brief For further information contact your local STMicroelectronics sales office. November 2010 Doc ID 18142 Rev 1 1/4 4 STEVAL-ISB009V1 Li-Ion battery monitoring and gas-gauge demonstration board based on the STC3100 Features ■ Accurate battery voltage measurement ■ Coulomb counter to keep track of the battery’s state-of-charge ■ Internal temperature sensor ■ Internal or external 32 kHz time base ■ I2C interface for battery monitoring and device control ■ 0.5 % battery voltage accuracy ■ 1 % Coulomb counter accuracy using an external RTC signal (3.5 % using the internal time base). ■ Low power consumption: 100 µA in operating conditions, 2 µA in stand-by mode ■ RoHS compliant Description The STEVAL-ISB009V1 demonstration board, based on the STC3100, is able to monitor the critical parameters of a single-cell Li-Ion battery (voltage, temperature, and current) and includes hardware functions to implement a gas-gauge for battery charge monitoring, based on a programmable 12-bit to 14-bit A/D converter. The battery current can be up to 2.5 A and the accumulator system provides a capacity up to +/- 7000 mAh with a resolution of 0.2 mAh. The device is programmable through an I2C interface. STEVAL-ISB009V1 www.st.com |
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