Patent ID: 9283861
Filing Date: 2016-03-15
CPC Classification: B60L,Y02T

Claim Text:
1. An on-board battery charger which cooperates with a battery management system (BMS) and charges batteries by converting alternating current power input from an external charging facility into direct current power, the on-board battery charger comprising a memory and a processor, the memory configured to store program instructions and the processor configured to execute the program instructions, the program instructions when executed configured to: sense a voltage value of power input from the charging facility in the initial stage of charging which the charging facility is connected to charge the batteries; receive a pulse width modulation (PWM) signal of a current value of the power from the charging facility; calculate an output voltage value to be output to the batteries using the sensed voltage value of the input power; calculate an output current value to be output to the batteries using a duty value of the received PWM signal; and transmit the calculated output voltage and current values to the cooperating BMS to calculate an estimated charging time.