STEVAL-ISB009V1 Datasheet, PDF (1/4 Pages) STMicroelectronics – Li-Ion battery monitoring and gas-gauge demonstration board based on the STC3100

STEVAL-ISB009V1
Li-Ion battery monitoring and gas-gauge demonstration board
based on the STC3100
Data brief
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
STEVAL-ISB009V1
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.
November 2010
Doc ID 18142 Rev 1
For further information contact your local STMicroelectronics sales office.
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www.st.com
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