Power supply adjustment device with multi-segment load line, motherboard, and power supply adjustment method

Abstract

A power supply adjustment method, applicable to a processor and a power supply controller, includes: obtaining the processor's operating current; obtaining target power supply parameters from a pre-stored multi-segment load line based on the operating current; and controlling the power supply controller to provide power to the processor based on the target power supply parameters. The pre-stored multi-segment load line indicates the relationship between multiple preset currents and multiple preset power supply parameters, and includes multiple line segments corresponding to different current ranges and having different slopes. A power supply adjustment device with a multi-segment load line, applicable to a processor and a power supply controller, includes a reading line and a control circuit. A motherboard with a multi-segment load line includes a power supply controller and a processor.

Claims

1. A power supply adjustment device with a multi-segment load line, suitable for a processor and a power supply controller, comprising: a read line for obtaining an operating current of the processor; a control circuit connected to the read line for obtaining a target power supply parameter from a pre-stored multi-segment load line according to the operating current, and controlling the power supply controller to provide power to the processor according to the target power supply parameter; and a user interface connected to the control circuit for receiving a modification command and transmitting the modification command to the control circuit; wherein the pre-stored multi-segment load line indicates the relationship between multiple preset currents and multiple preset power supply parameters, and includes multiple segments corresponding to different current ranges and having different slopes, wherein the segments are non-continuous segments, wherein the modification command indicates a specified switching current value as the switching point of two of the segments, and the control circuit is further configured to adjust the switching point of the non-continuous segments according to the specified switching current value.

2. The power supply adjustment device as claimed in claim 1, wherein the segments include at least a first segment corresponding to a first current range and a second segment corresponding to a second current range, the current value of the first current range being less than the current value of the second current range, and the slope of the first segment being greater than the slope of the second segment.

3. The power supply adjustment device as claimed in claim 2, wherein the slope of the first line segment is greater than twice the slope of the second line segment.

4. The power supply adjustment device as claimed in claim 1, wherein the power supply controller is a digital controller, and the control circuit includes: a communication bus for connection to the power supply controller; and a processing unit connected to the communication bus for obtaining the target power supply parameter from the pre-stored multi-segment load line according to the operating current, and adjusting the load line value in the power supply controller through the communication bus according to the target power supply parameter.

5. The power supply adjustment device as claimed in claim 1, wherein the power supply controller is an analog controller, and the control circuit comprises: a plurality of load units, each including at least one of a resistor and a capacitor, and the load units being connected to the power supply controller; a general-purpose input / output port connected to the load units; and a processing unit connected to the general-purpose input / output port, configured to obtain the target power supply parameters from the pre-stored multi-segment load line according to the operating current, and to conduct at least a portion of the load units to the power supply controller through the general-purpose input / output port according to the target power supply parameters, so as to adjust the power supplied by the power supply controller.

6. The power supply adjustment device as claimed in claim 1, wherein the control circuit is configured to adjust the specified switching current value by a preset ratio as the switching point.

7. A motherboard with a multi-segment load line, comprising: a power supply controller; a processor connected to the power supply controller, configured to obtain a target power supply parameter from a pre-stored multi-segment load line based on its own operating current, and control the power supply controller to provide power to the processor based on the target power supply parameter; and a user interface connected to the processor, configured to receive a modification instruction and transmit the modification instruction to the processor; wherein the pre-stored multi-segment load line indicates the relationship between multiple preset currents and multiple preset power supply parameters, and includes multiple segments corresponding to different current ranges and having different slopes, wherein the segments are non-continuous segments, wherein the modification instruction indicates a specified switching current value as the switching point of two of the segments, and the processor is further configured to adjust the switching point of the non-continuous segments based on the specified switching current value.

8. The motherboard as claimed in claim 7, wherein the segments include at least a first segment corresponding to a first current range and a second segment corresponding to a second current range, the current value of the first current range being less than the current value of the second current range, and the slope of the first segment being greater than the slope of the second segment.

9. The motherboard as claimed in claim 8, wherein the slope of the first line segment is greater than twice the slope of the second line segment.

10. The motherboard as claimed in claim 7, wherein the processor is configured to adjust the specified switching current value by a preset ratio as the switching point.

11. A power supply adjustment method, applicable to a processor and a power supply controller, comprising: obtaining an operating current of the processor; obtaining a target power supply parameter from a pre-stored multi-segment load line based on the operating current; controlling the power supply controller to provide power to the processor based on the target power supply parameter; receiving a modification instruction; and adjusting the pre-stored multi-segment load line according to the modification instruction, wherein the pre-stored multi-segment load line indicates the relationship between a plurality of preset currents and a plurality of preset power supply parameters, and includes a plurality of segments corresponding to different current ranges and having different slopes, wherein the segments are discontinuous segments, wherein the modification instruction indicates a specified switching current value as a switching point between two of the segments, and adjusting the pre-stored multi-segment load line according to the modification instruction includes adjusting the switching point of the discontinuous segments according to the specified switching current value.

12. The power supply adjustment method as claimed in claim 11, wherein the segments include at least a first segment corresponding to a first current range and a second segment corresponding to a second current range, the current value of the first current range being less than the current value of the second current range, and the slope of the first segment being greater than the slope of the second segment.

13. The power supply adjustment method as described in claim 12, wherein the slope of the first line segment is greater than twice the slope of the second line segment.

14. The power supply adjustment method as described in claim 11, wherein adjusting the switching point of the discontinuous segment according to the specified switching current value includes adjusting the specified switching current value by a preset ratio to serve as the switching point.

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