Electrical power supply device and method of operating same
AssigneeAptiv Technologies AG
InventorsMohamad Elghrawi, Robert M. Voto
Life of this patent
Estimating the term…
Abstract
An electrical power supply device is configured to communicate with a start-stop controller that automatically shuts down and restarts an internal combustion engine in a vehicle. The device includes a DC-DC power convertor and a device controller. The DC-DC power convertor is configured to produce a first voltage or a second voltage that is less than the first voltage. The device controller which causes the DC-DC power convertor to produce the first voltage in response to a run signal from the start-stop controller and also causes the DC-DC power convertor to produce the second voltage in response to a stop signal from the start-stop controller.
Claims16
An electrical power supply device configured to communicate with a start-stop controller that automatically shuts down and restarts an internal combustion engine in a vehicle, comprising:
- a USB transceiver;
- a DC-DC power convertor configured to produce a first voltage or a second voltage that is less than the first voltage;
- and
- a device controller which causes:
- the DC-DC power convertor to output the first voltage in response to the USB transceiver receiving a first USB signal indicating the run signal from the start-stop controller;
- and
- the DC-DC power convertor to output the second voltage in response to the USB transceiver receiving a the first USB signal indicating the run signal from the start-stop controller and subsequently receiving a second USB signal indicating a stop signal from the start-stop controller.
An electrical power supply device configured to communicate with a start-stop controller that automatically shuts down and restarts an internal combustion engine in a vehicle, comprising:
- a USB transceiver;
- a DC-DC power convertor configured to produce a first voltage or a second voltage that is less than the first voltage;
- and
- a device controller which:
- causes the DC-DC power convertor to produce the first voltage in response to a run signal from the start-stop controller,
- causes the DC-DC power convertor to produce the second voltage in response to the run signal from the start-stop controller followed by a stop signal from the start-stop controller;
- negotiates a power delivery contract with a consumer device at a first output power in response to the USB transceiver receiving a first USB signal indicating the run signal from the start-stop controller, and
- renegotiates the power delivery contract with the consumer device at a second output power less than the first output power in response to the USB transceiver receiving a the first USB signal indicating the run signal from the start-stop controller and subsequently receiving a second USB signal indicating the stop signal from the stop start controller.
An electrical power supply device configured to interface with a start-stop controller within a vehicle, comprising:
- a USB transceiver;
- a DC-DC power convertor configured to produce a first voltage or a second voltage that is less than the first voltage;
- and
- a means for commanding the DC-DC power convertor to produce the first voltage in response to a run signal from the start-stop controller and for commanding the DC-DC power convertor to produce the second voltage in in response to the run signal from the start-stop controller followed by a stop signal from the start-stop controller, wherein the electrical power supply device further comprises means for communication with the USB transceiver and wherein the means for commanding the DC-DC power convertor causes:
- the DC-DC power convertor to output the first voltage in response to the USB transceiver receiving a first USB signal indicating the run signal from the start-stop controller;
- and
- the DC-DC power convertor to output the second voltage in response to the USB transceiver receiving a the first USB signal indicating the run signal from the start-stop controller and subsequently receiving a second USB signal indicating a stop signal from the start-stop controller.
An electrical power supply device configured to interface with a start-stop controller within a vehicle, comprising:
- a USB transceiver;
- a DC-DC power convertor configured to produce a first output power or a second output power that is less than the first output power;
- and
- a means for commanding the DC-DC power convertor to produce the first output power in response to a run signal from the start-stop controller and for commanding the DC-DC power convertor to produce the second output power in in response to the run signal from the start-stop controller followed by a stop signal from the start-stop controller, wherein the means for commanding the DC-DC power convertor causes:
- negotiation of a power delivery contract with a consumer device at the first output power in response to the USB transceiver receiving a first USB signal indicating the run signal from the start-stop controller, and
- renegotiation of the power delivery contract with the consumer device at the second output power in response to the USB transceiver receiving a the first USB signal indicating the run signal from the start-stop controller and subsequently receiving a second USB signal indicating the stop signal from the start-stop controller.
Dependencies are inferred from the claim text.