Controller for vehicle AC generator

Details Controller for vehicle AC generator Controller for vehicle AC generator

2007-04-06

2009-02-03

Gonzalez, Julio (Department: 2834)

Electricity: single generator systems

Automatic control of generator or driving means

Plural conditions

C322S028000

Reexamination Certificate

active

07486052

ABSTRACT:
A controller for a vehicle AC generator that allows the aging test time of a CMOS logic circuit to be reduced is provided. The controller includes a specified signal detecting circuit connected to a third external terminal to detect a specified signal, a voltage selector circuit that generates a voltage selector signal in response to the detection output of the specified signal detecting circuit, and a power supply circuit connected to the first external terminal to output, as internal power supply voltage, first power supply voltage in a first state in which the specified signal is not input to the third external terminal and second power supply voltage higher than the first power supply voltage in a second state in which the specified signal is input to the third external terminal.

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