Adapter Device for Use with Automotive Ethernet and Methods of Use Thereof
An adapter device for use with automotive Ethernet may include a power connector, a universal serial bus type-c (USB-C) connector, an Ethernet controller, and a power switching circuit, when the power switching circuit is in a first state, the power switching circuit is configured to prevent power from being received from a USB-C device connected via the USB-C connector, when the power switching circuit is in a second state, the power switching circuit is configured to allow power to be received from a USB-C device connected via the USB-C connector, and the Ethernet controller is configured to convert a first signal received via the USB-C connector to a second signal that is formatted for automotive Ethernet. Methods, computer program products, and autonomous vehicles are also disclosed.
1 . An adapter device for use with automotive Ethernet, the adapter device comprising:
a power connector;
a universal serial bus type-c (USB-C) connector; and
a power switching circuit;
wherein, when the power switching circuit is in a first state, the power switching circuit is configured to prevent power from being received from a USB-C device connected via the USB-C connector; and
wherein, when the power switching circuit is in a second state, the power switching circuit is configured to allow power to be received from a USB-C device connected via the USB-C connector.
2 . The adapter device of claim 1 , wherein, when a power source is connected to the power connector, the power switching circuit is configured to allow power to be provided to a USB-C device connected via the USB-C connector.
3 . The adapter device of claim 1 , further comprising:
a printed circuit board (PCB);
wherein the power connector, the USB-C connector, and the power switching circuit are attached to the PCB.
4 . The adapter device of claim 1 , wherein the power switching circuit comprises:
a USB Power Delivery (PD) device that is configured to provide power at the USB-C connector.
5 . The adapter device of claim 1 , further comprising:
a DC-DC convertor connected to the power connector, wherein the DC-DC convertor is configured to provide a power signal to the power switching circuit.
6 . The adapter device of claim 1 , further comprising:
an Ethernet controller; and
a printed circuit board (PCB);
wherein the power connector, the USB-C connector, the power switching circuit, and the Ethernet controller are attached to the PCB; and
wherein the Ethernet controller is configured to convert a first signal received from a USB-C device via the USB-C connector to a second signal that is formatted for automotive Ethernet.
7 . The adapter device of claim 6 , further comprising:
an Ethernet connector;
wherein the power connector, the USB-C connector, the power switching circuit, the Ethernet controller, and the Ethernet connector are attached to the PCB.
8 . An adapter device for use with automotive Ethernet, the adapter device comprising:
a power connector;
a universal serial bus type-c (USB-C) connector;
an Ethernet controller; and
a power switching circuit;
wherein, when the power switching circuit is in a first state, the power switching circuit is configured to prevent power from being received from a USB-C device connected via the USB-C connector;
wherein, when the power switching circuit is in a second state, the power switching circuit is configured to allow power to be received from a USB-C device connected via the USB-C connector; and
wherein the Ethernet controller is configured to convert a first signal received via the USB-C connector to a second signal that is formatted for automotive Ethernet.
9 . The adapter device of claim 8 , wherein the first signal is a signal formatted according to a USB 3.0 standard, wherein the second signal is a signal formatted according to a 100BASE-T1 Ethernet standard, and wherein the Ethernet controller is configured to convert the signal formatted according to a USB 3.0 standard received via the USB-C connector to the signal that is formatted according to the 100BASE-T1 Ethernet standard.
10 . The adapter device of claim 8 , further comprising:
an Ethernet connector; and
an Ethernet physical layer device;
wherein the Ethernet physical layer device is configured to receive the second signal from the Ethernet controller and convert the second signal to a third signal that is formatted for automotive Ethernet; and
wherein the Ethernet physical layer device is configured to provide the third signal to a device connected at the Ethernet connector.
11 . The adapter device of claim 10 , wherein the Ethernet physical layer device is configured to convert the second signal to the 100BASE-T1 Ethernet standard.
12 . The adapter device of claim 10 , further comprising:
a DC-DC convertor connected to the power connector, wherein the DC-DC convertor is configured to provide a power signal to the power switching circuit.
13 . The adapter device of claim 10 , wherein the power switching circuit comprises:
a USB Power Delivery (PD) device that is configured to provide power at the USB-C connector.
14 . The adapter device of claim 10 , further comprising:
a hotswap controller device;
wherein the hotswap controller device is configured to provide a control signal to the power switching circuit to cause the power switching circuit to change to the second state.
15 . A method of operating an adapter device for use with automotive Ethernet, the method comprising:
determining, with at least one processor, whether a power source is connected to a power connector of an adapter device;
determining, with at least one processor, whether a power switching circuit is in a first state based on determining that a power source is not connected to the power connector of the adapter device, wherein, when the power switching circuit is in the first state, the power switching circuit is configured to prevent power from being received from a universal serial bus type-c (USB-C) device connected via a USB-C connector of the adapter device;
determining, with at least one processor, whether the power switching circuit is in a second state based on determining that the power switching circuit is not in the second state, wherein, when the power switching circuit is in the second state, the power switching circuit is configured to allow power to be received from a USB-C device connected via the USB-C connector; and
allowing, with at least one processor, power to be received from a USB-C device connected via the USB-C connector based on determining that the power switching circuit is in the second state.
16 . The method of claim 15 , further comprising:
converting, via an Ethernet controller, a first signal received via the USB-C connector to a second signal that is formatted for automotive Ethernet, wherein the first signal is a signal formatted according to a USB 3.0 standard, and wherein the second signal is a signal formatted according to a 100BASE-T1 Ethernet standard.
17 . The method of claim 15 , further comprising, when the power switching circuit is in the second state:
receiving power at the USB-C connector; and
providing a power signal to a board power component.
18 . The method of claim 16 , further comprising:
receiving, via an Ethernet physical layer device, the second signal from the Ethernet controller;
converting the second signal to a third signal that is formatted for automotive Ethernet; and
providing, via the Ethernet physical layer device, the third signal to a device connected at an Ethernet connector.
19 . The method of claim 15 , further comprising:
providing a control signal, via a hotswap controller, to the power switching circuit to cause the power switching circuit to change from the first state to the second state.
20 . The method of claim 15 , further comprising:
providing power, via a USB Power Delivery (PD) device, at the USB-C connector.