| 摘要 |
<p>The device builds up a series of threshold values of voltage related to charge status, to enable determination of current battery status. The device comprises a measuring circuit (MES) for estimating the state of charge of a rechargeable battery (BAT). This includes at least two initial threshold values corresponding to given states of charge of the battery, by comparison with the voltage on the battery terminals. This allows the state of charge of the battery to be determined from these reference calibration points. The circuit also effects a correction to these initial threshold values as a function of temperature, in order to obtain new sets of threshold value for use at different temperature. The corrected values are then used for actual determination of the state of charge of the battery.</p> |
