System on chip for power inverter
View Patent ↗According to an exemplary implementation, an integrated circuit (IC) includes a logic circuit monolithically formed on the IC. The logic circuit is configured to generate modulation signals for controlling power switches of a power inverter. The logic circuit generates the modulation signals based on at least one input value. The IC further includes a voltage level shifter monolithically formed on the IC. The voltage level shifter is configured to shift the modulation signals to a voltage level suitable for driving the power switches of the power inverter. The logic circuit can be a digital logic circuit and the input value can be a digital input value. The IC can also include a sense circuit monolithically formed on the IC. The sense circuit is configured to generate the input value.
1. An integrated circuit (IC) comprising:
a logic circuit monolithically formed on said IC, said logic circuit configured to generate modulation signals for controlling power switches of a power inverter, said logic circuit generating said modulation signals based on at least one input value;
a voltage level shifter monolithically formed on said IC, said voltage level shifter configured to shift said modulation signals to a voltage level suitable for driving said power switches of said power inverter;
wherein said IC is a mixed-signal IC having analog and digital circuits monolithically formed thereon.
2. The IC of claim 1 , wherein said logic circuit comprises a digital logic circuit.
3. The IC of claim 1 , wherein said input value comprises a digital input value.
4. The IC of claim 1 comprising a sense circuit monolithically formed on said IC, said sense circuit configured to generate said input value.
5. The IC of claim 1 , wherein said input value comprises a sensed value of said power switches of said power inverter.
6. The IC of claim 1 comprising a power supply monolithically formed on said IC, said power supply configured to power said logic circuit and said voltage level shifter.
7. The IC of claim 1 , wherein said power inverter is a three-phase power inverter.
8. The IC of claim 1 , wherein said IC is configured to receive said input value in analog form.
9. The IC of claim 1 , wherein said IC comprises an analog-to-digital converter configured to provide said input value to said logic circuit.
10. The IC of claim 1 , wherein said input value comprises at least one of a voltage, a current, an impedance, and a temperature value of said power switches of said power inverter.
11. The IC of claim 1 , wherein said IC is in a multi-chip-module with said power switches of said power inverter.
12. An integrated circuit (IC) comprising:
a digital logic circuit monolithically formed on said IC, said digital logic circuit configured to generate modulation signals for controlling power switches of a power inverter, said digital logic circuit generating said modulated signals based on at least one digital input value;
a voltage level shifter monolithically formed on said IC, said voltage level shifter configured to shift said modulation signals to a voltage level suitable for driving said power switches of said power inverter;
wherein said IC is a mixed-signal IC having analog and digital circuits monolithically formed thereon.
13. The IC of claim 12 comprising a sense circuit monolithically formed on said IC, said sense circuit configured to generate said digital input value.
14. The IC of claim 12 comprising a power supply monolithically formed on said IC, said power supply configured to power said digital logic circuit and said voltage level shifter.
15. The IC of claim 12 , wherein said digital input value comprises a sensed value of said power switches of said power inverter.
16. The IC of claim 12 , wherein said power inverter is a three-phase power inverter.
17. The IC of claim 12 , wherein said IC is configured to receive said digital input value in analog form.
18. The IC of claim 12 , wherein said IC comprises an analog-to-digital converter configured to provide said digital input value to said digital logic circuit.
19. The IC of claim 12 , wherein said digital input value comprises at least one of a voltage, a current, an impedance, and a temperature value of said power switches of said power inverter.
20. The IC of claim 12 , wherein said IC is in a multi-chip-module with said power switches of said power inverter.