Patent ID: 6181103
Filing Date: 2001-01-30
Classification: G06F,H01M,H02J,Y02E

Abstract:
An advanced intelligent computer power management (AICPM) system, comprising:a removable data accessible (RADA) battery pack, including:a battery pack having several rechargeable battery cells,a display that shows a power capacity status of said RADA battery pack,a memory, including an electrical erasable programmable read only memory (EEPROM), that stores data, anda temperature sensor having a thermister with a negative temperature coefficient; andan AICPM system that plans and manages said RADA battery pack, including:a microprocessor unit (MPU) having a single chip microcomputer that executes the software program used for battery management,voltage dividing resistors having serial precision resistors that sense the terminal voltage of the RADA battery pack,a current sensor having a precision resistor, a voltage level converter and a voltage frequency converter that sense the charging/discharging current of the battery pack,a voltage detector having a voltage regulating amplifier that detects the terminal voltage of said RADA battery pack,a temperature sensor having a linear amplifier that detects the surface temperature of said RADA battery pack,a voltage stabilizing rectifier having a voltage stabilizing transistor circuit that provides the hardware unit with a stable operating power source,a loop current sense resistor having a precision resistor with a small value that detects a direction and amplitude of charging/discharging current of said RADA battery pack, anda charging circuit that provides said RADA battery pack with a charging voltage source;wherein said MPU directly outputs a signal to control the switch on or off of the charging or discharging current; andwherein said MPU automatically performs power management according to the signal variations obtained from the peripheral parts.