System and Method for Controlling a Battery Pack Output Contactor
First Claim
Patent Images
1. A system for controlling a battery pack contactor, comprising:
- a first power supply;
a first switch;
a contactor; and
a controller including instructions for selectively actuating said contactor with said first power supply via said first switch, said controller including instructions to adjust a contactor holding voltage supplied to a coil of said contactor to more than two levels.
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Accused Products
Abstract
Systems and methods for controlling a contactor of a battery pack are disclosed. In one embodiment, the coil of the contactor is controlled by a power supply. Further, the contactor coil holding current may be adjusted in response to vehicle drive mode.
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Citations
20 Claims
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1. A system for controlling a battery pack contactor, comprising:
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a first power supply; a first switch; a contactor; and a controller including instructions for selectively actuating said contactor with said first power supply via said first switch, said controller including instructions to adjust a contactor holding voltage supplied to a coil of said contactor to more than two levels. - View Dependent Claims (2, 3, 4, 5)
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6. A system for controlling a battery pack contactor of a vehicle, comprising:
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a first power supply; a first switch; a contactor; and a controller including instructions for selectively coupling said first power supply to said contactor via said first switch, said controller including instructions to adjust a contactor hold voltage in response to a vehicle drive mode. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for controlling a contactor coil of a battery coupled in a vehicle, comprising:
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selectively coupling a first power supply to a contactor; and adjusting a hold voltage supplied to said contactor in response to a vehicle drive mode. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification