lithium-ion batteries

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Notebook computer lithium-ion batteries are generally charged with the management of chip and controller chip. Management chip which has a series of registers, there is capacity, temperature, ID,4 port usb hubs, charge status, discharge frequency values. These values are in use will gradually change. Personally, I think, in notebook computers for use in the "use of one month after the full charge should put a" major role in the practice should be an amendment to the value of these registers in improper to make the battery charge control and consistent with a nominal capacity of the battery the actual situation. Main control chip, vgp bpl2c battery            
pcga bp2v battery
bp2v battery sony battery charge control the charging process. Lithium-ion battery charging process is divided into two phases, constant current fast charge phase (when the battery indicator light yellow) and reduced voltage current phase (the battery indicator light flashes green. Constant current fast charge phase, the battery voltage is gradually increased to the standard battery voltage, then under the control chip into the constant pressure phase, the voltage will not rise to ensure that no over charge and current as the battery level rise gradually reduced to 0,a42-m2 battery, the final charge.
Statistics chip power consumption records through the discharge curve (voltage, current, time) can calculate the sample battery power, this is what we read about in the Battery Information wh. Value. For lithium-ion batteries after repeated use,usb to rs232 converter, the discharge curve may change, if the chip has not been opportunity Zaiciduchu a complete discharge curve, its Jisuan out of power Ye is not accurate. So we need to calibrate the battery charge and discharge of deep chips.
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