Power supply system for optimizing standby power using artificial intelligence
According to an aspect, a power supply system includes a power stage, a power supply controller configured to control operations of the power stage, a metering circuit configured to sense measured conditions of the power stage, and a system performance controller configured to be coupled to the power supply controller and the metering circuit. The system performance controller is configured to set or adjust a control parameter for the power stage based on standby power of the power stage. The system performance controller includes a standby power computation circuit configured to compute the standby power of the power stage based on the measured conditions, and a control manipulation module configured to modify the control parameter until the standby power achieves a threshold condition.
1. A power supply system comprising:
a power stage;
a power supply controller configured to control operations of the power stage;
a metering circuit configured to sense measured conditions of the power stage; and
a system performance controller configured to be coupled to the power supply controller and the metering circuit, the system performance controller configured to set or adjust a control parameter for the power stage based on standby power of the power stage, the system performance controller including:
a standby power computation circuit configured to compute the standby power of the power stage based on the measured conditions; and
a control manipulation module configured to modify the control parameter until the standby power achieves a threshold condition.
2. The power supply system of claim 1 , wherein the standby power computation circuit is configured to compute the standby power based on an input voltage and an input current of the power stage.
3. The power supply system of claim 1 , wherein the control parameter includes a skip cycle parameter.
4. The power supply system of claim 1 , wherein the system performance controller is configured to update the control parameter in response to a triggering event during an operation of the power stage.
5. The power supply system of claim 1 , wherein the control parameter is a first control parameter, the system performance controller configured to select a combination of values of the first control parameter and a second control parameter that result in the standby power achieving the threshold condition.
6. The power supply system of claim 1 , wherein the control manipulation module is configured to iteratively modify the control parameter by selecting different values for the control parameter based on an artificial intelligence (AI) algorithm.
7. The power supply system of claim 6 , wherein the control manipulation module is configured to apply training data to a neutral network of an artificial intelligence (AI) algorithm to predict a value for the control parameter that results in the standby power achieving the threshold condition.
8. The power supply system of claim 1 , wherein the control manipulation module is configured to:
select a first value for the control parameter;
send the first value to the power supply controller;
compute the standby power of the power stage with the first value based on the measured conditions;
modify the first value to obtain a second value in response to the standby power not achieving the threshold condition;
send the second value to the power supply controller; and
compute the standby power with the second value based on the measured conditions.
9. The power supply system of claim 1 , wherein the metering circuit includes a voltage sensor configured to sense an input voltage and a current sensor configured to sense an input current.
10. The power supply system of claim 1 , wherein the metering circuit includes an analog-to-digital converter (ADC) configured to convert the monitored conditions to a digital format.
11. A power supply system comprising:
a power stage;
a power supply controller storing a control parameter for controlling operations of the power stage;
a metering circuit configured to sense measured conditions of the power stage, the measured conditions including an input voltage of the power stage and an input current of the power stage; and
a system performance controller configured to be coupled to the power supply controller and the metering circuit, the system performance controller configured to update the control parameter to minimize standby power of the power stage, the system performance controller including:
a standby power computation circuit configured to compute the standby power of the power stage based on the input voltage and the input current; and
a control manipulation module configured to modify the control parameter until the standby power achieves a threshold condition.
12. The power supply system of claim 11 , wherein the control parameter includes a skip cycle parameter.
13. The power supply system of claim 11 , wherein the system performance controller is configured to update the control parameter in response to a triggering event.
14. The power supply system of claim 11 , wherein the control parameter is a first control parameter, the system performance controller configured to select a combination of values of the first control parameter and a second control parameter that result in the standby power achieving the threshold condition.
15. The power supply system of claim 11 , wherein the control manipulation module is configured to iteratively modify the control parameter by selecting different values for the control parameter based on an artificial intelligence (AI) algorithm.
16. The power supply system of claim 11 , wherein the control manipulation module is configured to apply training data to a neutral network of an artificial intelligence (AI) algorithm to predict a value for the control parameter that results in the standby power achieving the threshold condition.
17. The power supply system of claim 11 , wherein the metering circuit includes a voltage sensor configured to sense an input voltage and a current sensor configured to sense an input current, and an analog-to-digital converter (ADC) configured to convert the input voltage and the input current to a digital format.
18. A method of controlling a control parameter of a power stage to minimize standby power, the method including:
detecting a triggering event of the power stage;
updating a value for a control parameter that controls the power stage to minimize standby power of the power stage, the control parameter including a skip cycle parameter, the updating including:
receiving measured conditions of the power stage;
computing the standby power based on the measured conditions;
modifying the control parameter until the standby power achieves a threshold condition.
19. The method of claim 18 , wherein the standby power is computed based on input voltage and input current.
20. The method of claim 18 , further comprising:
measuring input voltage and input current of the power stage;
converting the input voltage and the input current to a digital format.