Systems, methods, and apparatus related to electric vehicle wired and wireless charging
View Patent ↗One aspect provides an apparatus configured to receive wireless charging power and wired charging power. The apparatus includes a first rectifier configured to receive wired charging power and to provide a first rectified output. The apparatus further includes a second rectifier configured to receive wireless charging power and to provide a second rectified output. The apparatus further includes a power-factor correction (PFC) module configured to receive the first and second rectified outputs, and further configured to provide a power-factor corrected output. The apparatus further includes an isolated DC-DC converter configured to receive the power-factor corrected output and to provide an isolated DC output. The apparatus further includes and a battery configured to receive the isolated DC output.
1. An apparatus configured to receive wireless charging power and wired charging power, comprising:
a battery;
a wireless connection configured to receive wireless charging power, and to charge the battery along a wireless charging path;
a wired connection configured to receive wired charging power, and to charge the battery along a wired charging path,
wherein the wired charging path and the wireless charging path comprise one or more shared components in a combined charging path comprising a rectifier.
2. The apparatus of claim 1 , wherein:
the wireless charging path comprises:
a coil configured to receive wireless charging power; and
a series tuning circuit configured to tune the coil;
the wired charging path comprises:
a first rectifier configured to receive wired charging power and to provide a first rectified output;
a power-factor correction (PFC) module configured to receive the first rectified output from the electromagnetic interference (EMI) filter and rectifier, and further configured to provide a power-factor corrected output; and
an isolated DC-DC converter configured to receive the power-factor corrected output and to provide an isolated DC output; and
the combined charging path further comprises:
a decoupling rectifier configured to receive the wireless charging power from the coil, to receive the isolated output, and to provide a second rectified output to the battery.
3. The apparatus of claim 1 , wherein:
the wireless charging path comprises:
a coil configured to receive wireless charging power;
a parallel tuning circuit configured to tune the coil;
a decoupling rectifier configured to receive the wireless charging power from the coil, and to provide a second rectified output; and
an output filter configured to filter the second rectified output and to provide a filtered output;
the wired charging path comprises:
a first rectifier configured to receive wired charging power and to provide a first rectified output; and
a power-factor correction (PFC) module configured to receive the first rectified output from the electromagnetic interference (EMI) filter and rectifier, and further configured to provide a power-factor corrected output; and
the combined charging path further comprises:
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the filtered output, and to provide an isolated DC output to the battery.
4. The apparatus of claim 1 , wherein:
the wireless charging path comprises:
a coil configured to receive wireless charging power;
a series tuning circuit configured to tune the coil; and
a decoupling rectifier configured to receive the wireless charging power from the coil, and to provide a second rectified output;
the wired charging path comprises:
a first rectifier configured to receive wired charging power and to provide a first rectified output; and
a power-factor correction (PFC) module configured to receive the first rectified output from the electromagnetic interference (EMI) filter and rectifier, and further configured to provide a power-factor corrected output; and
the combined charging path further comprises:
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the second rectified output, and to provide an isolated DC output to the battery.
5. The apparatus of claim 1 , wherein:
the wireless charging path comprises:
a coil configured to receive wireless charging power; and
a parallel and partial series tuning circuit configured to tune the coil;
the combined charging path further comprises:
a first rectifier configured to receive wired charging power through the wired connection, to receive the wireless charging power from the coil, and to provide a first rectified output;
a power-factor correction (PFC) module configured to receive the first rectified output from the electromagnetic interference (EMI) filter and rectifier, and further configured to provide a power-factor corrected output; and
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the second rectified output, and to provide an isolated DC output to the batter.
6. The apparatus of claim 1 , wherein:
the wireless charging path comprises:
a coil configured to receive wireless charging power;
a decoupling rectifier configured to receive the wireless charging power from the coil, and to provide a second rectified output; and
a wave-shaping controller configured to shape the second rectified output and to provide a wave-shaped output;
the wired charging path comprises:
a first rectifier configured to receive wired charging power and to provide a first rectified output; and
a power-factor correction (PFC) module configured to receive the first rectified output from the electromagnetic interference (EMI) filter and rectifier, and further configured to provide a power-factor corrected output; and
the combined charging path further comprises:
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the wave-shaped output, and to provide an isolated DC output to the battery.
7. The apparatus of claim 1 , wherein:
the wireless charging path comprises:
a coil configured to receive wireless charging power;
a parallel tuning circuit configured to tune the coil; and
a decoupling rectifier configured to receive the wireless charging power from the coil, and to provide a second rectified output;
the wired charging path comprises:
a first rectifier configured to receive wired charging power and to provide a first rectified output; and
the combined charging path further comprises:
a dual-mode power-factor correction (PFC) and wave-shaping module configured to receive the first rectified output and the second rectified output, and further configured to provide a power-factor corrected output; and
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the wave-shaped output, and to provide an isolated DC output to the battery.
8. The apparatus of claim 1 , wherein:
the wireless charging path comprises:
a coil configured to receive wireless charging power;
a series tuning circuit configured to tune the coil; and
a decoupling rectifier configured to receive the wireless charging power from the coil, and to provide a second rectified output;
the wired charging path comprises:
a first rectifier configured to receive wired charging power and to provide a first rectified output; and
the combined charging path further comprises:
a power-factor correction (PFC) module configured to receive the first rectified output and the second rectified output, and further configured to provide a power-factor corrected output;
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the wave-shaped output, and to provide an isolated DC output to the battery.
9. The apparatus of claim 1 , wherein:
the wireless charging path comprises:
a coil configured to receive wireless charging power; and
a series tuning circuit configured to tune the coil; and
the combined charging path further comprises:
a rectifier configured to receive wired charging power from the wired connection, to receive the wireless charging power from the coil, and to provide a first rectified output;
a power-factor correction (PFC) module configured to receive the first rectified output, and further configured to provide a power-factor corrected output; and
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the wave-shaped output, and to provide an isolated DC output to the battery.
10. The apparatus of claim 1 , wherein:
the wireless charging path comprises:
a coil configured to receive wireless charging power; and
a parallel and partial series tuning circuit configured to tune the coil; and
the combined charging path further comprises:
a rectifier configured to receive wired charging power from the wired connection, to receive the wireless charging power from the coil, and to provide a first rectified output;
a dual-mode power-factor correction (PFC) and wave-shaping module configured to receive the first rectified output, and further configured to provide a power-factor corrected output; and
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the wave-shaped output, and to provide an isolated DC output to the battery.
11. The apparatus of claim 1 , wherein:
the wireless charging path comprises:
a coil configured to receive wireless charging power; and
a series tuning circuit configured to tune the coil;
the wired charging path comprises:
a first rectifier configured to receive wired charging power and to provide a first rectified output; and
an isolated DC-DC converter configured to receive the first rectified output, and to provide an isolated DC output; and
the combined charging path further comprises:
a second rectifier configured to receive the wireless charging power from the coil, to receive the isolated DC output, and to provide a second rectified output; and
a current-source power-factor correction (PFC) module configured to receive the second rectified output, and further configured to provide a current-source output to the battery.
12. The apparatus of claim 1 , wherein the wireless charging power comprises a modulated amplitude.
13. The apparatus of claim 1 , further comprising one or more of: a parallel tuning circuit configured to tune the coil, an electromagnetic interference (EMI) filter configured to filter the wired charging power, a bulk capacitance configured to filter a power-factor corrected output, and an output filter configured to filter a rectified output.
14. An apparatus for receiving wireless charging power and wired charging power, comprising:
means for storing charging power;
means for receiving wireless charging power, to be stored in the means for storing charging power, along a wireless charging path;
means for receiving wired charging power, to be stored in the means for storing charging power, along a wired charging path;
wherein the wired charging path and the wireless charging path comprise one or more shared components in a combined charging path comprising a rectifier.
15. The apparatus of claim 14 , wherein:
means for receiving wireless charging power along the wireless charging path comprises:
a coil configured to receive wireless charging power; and
a series tuning circuit configured to tune the coil;
means for receiving wired charging power along the wired charging path comprises:
a first rectifier configured to receive wired charging power and to provide a first rectified output;
a power-factor correction (PFC) module configured to receive the first rectified output from the electromagnetic interference (EMI) filter and rectifier, and further configured to provide a power-factor corrected output; and
an isolated DC-DC converter configured to receive the power-factor corrected output and to provide an isolated DC output; and
the combined charging path further comprises:
a decoupling rectifier configured to receive the wireless charging power from the coil, to receive the isolated output, and to provide a second rectified output to the means for storing charging power.
16. The apparatus of claim 14 , wherein:
means for receiving wireless charging power along the wireless charging path comprises:
a coil configured to receive wireless charging power;
a parallel tuning circuit configured to tune the coil;
a decoupling rectifier configured to receive the wireless charging power from the coil, and to provide a second rectified output; and
an output filter configured to filter the second rectified output and to provide a filtered output;
means for receiving wired charging power along the wired charging path comprises:
a first rectifier configured to receive wired charging power and to provide a first rectified output; and
a power-factor correction (PFC) module configured to receive the first rectified output from the electromagnetic interference (EMI) filter and rectifier, and further configured to provide a power-factor corrected output; and
the combined charging path further comprises:
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the filtered output, and to provide an isolated DC output to the means for storing charging power.
17. The apparatus of claim 14 , wherein:
means for receiving wireless charging power along the wireless charging path comprises:
a coil configured to receive wireless charging power;
a series tuning circuit configured to tune the coil; and
a decoupling rectifier configured to receive the wireless charging power from the coil, and to provide a second rectified output;
means for receiving wired charging power along the wired charging path comprises:
a first rectifier configured to receive wired charging power and to provide a first rectified output; and
a power-factor correction (PFC) module configured to receive the first rectified output from the electromagnetic interference (EMI) filter and rectifier, and further configured to provide a power-factor corrected output; and
the combined charging path further comprises:
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the second rectified output, and to provide an isolated DC output to the means for storing charging power.
18. The apparatus of claim 14 , wherein:
means for receiving wireless charging power along the wireless charging path comprises:
a coil configured to receive wireless charging power; and
a parallel and partial series tuning circuit configured to tune the coil;
the combined charging path further comprises:
a first rectifier configured to receive wired charging power through a wired connection, to receive the wireless charging power from the coil, and to provide a first rectified output;
a power-factor correction (PFC) module configured to receive the first rectified output from the electromagnetic interference (EMI) filter and rectifier, and further configured to provide a power-factor corrected output; and
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the second rectified output, and to provide an isolated DC output to the batter.
19. The apparatus of claim 14 , wherein:
means for receiving wireless charging power along the wireless charging path comprises:
a coil configured to receive wireless charging power;
a decoupling rectifier configured to receive the wireless charging power from the coil, and to provide a second rectified output; and
a wave-shaping controller configured to shape the second rectified output and to provide a wave-shaped output;
means for receiving wired charging power along the wired charging path comprises:
a first rectifier configured to receive wired charging power and to provide a first rectified output; and
a power-factor correction (PFC) module configured to receive the first rectified output from the electromagnetic interference (EMI) filter and rectifier, and further configured to provide a power-factor corrected output; and
the combined charging path further comprises:
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the wave-shaped output, and to provide an isolated DC output to the means for storing charging power.
20. The apparatus of claim 14 , wherein:
means for receiving wireless charging power along the wireless charging path comprises:
a coil configured to receive wireless charging power;
a parallel tuning circuit configured to tune the coil; and
a decoupling rectifier configured to receive the wireless charging power from the coil, and to provide a second rectified output;
means for receiving wired charging power along the wired charging path comprises:
a first rectifier configured to receive wired charging power and to provide a first rectified output; and
the combined charging path further comprises:
a dual-mode power-factor correction (PFC) and wave-shaping module configured to receive the first rectified output and the second rectified output, and further configured to provide a power-factor corrected output; and
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the wave-shaped output, and to provide an isolated DC output to the means for storing charging power.
21. The apparatus of claim 14 , wherein:
means for receiving wireless charging power along the wireless charging path comprises:
a coil configured to receive wireless charging power;
a series tuning circuit configured to tune the coil; and
a decoupling rectifier configured to receive the wireless charging power from the coil, and to provide a second rectified output;
means for receiving wired charging power along the wired charging path comprises:
a first rectifier configured to receive wired charging power and to provide a first rectified output; and
the combined charging path further comprises:
a power-factor correction (PFC) module configured to receive the first rectified output and the second rectified output, and further configured to provide a power-factor corrected output;
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the wave-shaped output, and to provide an isolated DC output to the means for storing charging power.
22. The apparatus of claim 14 , wherein:
means for receiving wireless charging power along the wireless charging path comprises:
a coil configured to receive wireless charging power; and
a series tuning circuit configured to tune the coil; and
the combined charging path further comprises:
a rectifier configured to receive wired charging power from a wired connection, to receive the wireless charging power from the coil, and to provide a first rectified output;
a power-factor correction (PFC) module configured to receive the first rectified output, and further configured to provide a power-factor corrected output; and
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the wave-shaped output, and to provide an isolated DC output to the means for storing charging power.
23. The apparatus of claim 14 , wherein:
means for receiving wireless charging power along the wireless charging path comprises:
a coil configured to receive wireless charging power; and
a parallel and partial series tuning circuit configured to tune the coil; and
the combined charging path further comprises:
a rectifier configured to receive wired charging power from a wired connection, to receive the wireless charging power from the coil, and to provide a first rectified output;
a dual-mode power-factor correction (PFC) and wave-shaping module configured to receive the first rectified output, and further configured to provide a power-factor corrected output; and
an isolated DC-DC converter configured to receive the power-factor corrected output, to receive the wave-shaped output, and to provide an isolated DC output to the means for storing charging power.
24. The apparatus of claim 14 , wherein:
means for receiving wireless charging power along the wireless charging path comprises:
a coil configured to receive wireless charging power; and
a series tuning circuit configured to tune the coil;
means for receiving wired charging power along the wired charging path comprises:
a first rectifier configured to receive wired charging power and to provide a first rectified output; and
an isolated DC-DC converter configured to receive the first rectified output, and to provide an isolated DC output; and
the combined charging path further comprises:
a second rectifier configured to receive the wireless charging power from the coil, to receive the isolated DC output, and to provide a second rectified output; and
a current-source power-factor correction (PFC) module configured to receive the second rectified output, and further configured to provide a current-source output to the means for storing charging power.
25. The apparatus of claim 14 , wherein the wireless charging power comprises a modulated amplitude.
26. The apparatus of claim 14 , further comprising one or more of: a parallel tuning circuit configured to tune the coil, an electromagnetic interference (EMI) filter configured to filter the wired charging power, a bulk capacitance configured to filter a power-factor corrected output, and an output filter configured to filter a rectified output.