Voltage measurement of high voltage batteries for hybrid and...

Details Voltage measurement of high voltage batteries for hybrid and... Voltage measurement of high voltage batteries for hybrid and...

2011-07-19

2011-07-19

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

One cell or battery charges another

Vehicle battery charging

C320S134000, C320S136000, C324S426000, C324S433000, C903S903000

Reexamination Certificate

active

07982427

ABSTRACT:
A system for accurate voltage measurement of a high voltage battery for hybrid and electric vehicles includes a voltage measurement circuit including an analog sensing circuit, a wave generator circuit and a comparator. The analog sensing circuit senses the analog voltage of the high voltage battery. The wave generator circuit generates an analog periodic signal. The comparator receives the sensed analog voltage and the analog periodic signal from the wave generator circuit. The comparator produces an output signal based on the comparison of the inputs, and the output signal takes the form of a digital periodic signal indicative of the voltage of the high voltage battery.

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