# US 12,119,592 B2 · Power delivery device and control method thereof

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- Number: US 12,119,592 B2
- Document ID: US12119592B2
- Status: Granted
- Kind: B2
- Application number: 17/980,498
- Filed: 2022-11-03
- Published: 2023-07-27
- Granted: 2024-10-15
- Earliest claimed: 2022-01-25
- Assignees: Getac Technology Corporation
- Applicants: Getac Technology Corporation
- Inventors: Chui-Hsien Li; Chin-Jung Chang
- Web page: https://patentgrep.com/patent/US12119592B2

## CPC

- H01R 13/7036: {the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling}
- H02J 1/06: Two-wire DC power distribution systems
- G06F 1/263: {Arrangements for using multiple switchable power supplies, e.g. battery and AC (G06F1/30 takes precedence)}
- G06F 1/28: Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
- G06F 1/3212: Monitoring battery levels, e.g. power saving mode being initiated when battery voltage goes below a certain level
- G06F 1/3215: Monitoring of peripheral devices
- G06F 1/3218: of display devices
- G06F 1/324: by lowering clock frequency
- G06F 1/3265: {Power saving in display device}
- G06F 1/3278: {Power saving in modem or I/O interface}
- G06F 1/3296: by lowering the supply or operating voltage
- G06F 3/1423: {controlling a plurality of local displays, e.g. CRT and flat panel display}
- G09G 5/006: {Details of the interface to the display terminal (specific for a display terminal using a CRT G09G1/167; using a flat panel G09G3/2096; circuits for interfacing with colour displays G09G5/04)}
- H01R 31/065: {with built-in electric apparatus}
- H02J 9/005: {using a power saving mode (for copiers G03G15/5004)}
- G09G 3/2014: {by modulation of the duration of a single pulse during which the logic level remains constant}
- G09G 2320/0626: for control of overall brightness
- G09G 2330/00: Aspects of power supply; Aspects of display protection and defect management
- G09G 2330/022: in absence of operation, e.g. no data being entered during a predetermined time
- G09G 2330/026: Arrangements or methods related to booting a display
- G09G 2330/027: Arrangements or methods related to powering off a display
- G09G 2370/22: Detection of presence or absence of input display information or of connection or disconnection of a corresponding information source
- Y02D 10/00: Energy efficient computing, e.g. low power processors, power management or thermal management
- H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)
- Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE

## Abstract

A control method of a power delivery device includes communicating with a power adaptor through a configuration channel pin of a connector to acquire a power supply quota of the power adaptor and generate a power consumption threshold based on the acquired power supply quota, selecting a corresponding scenario mode from a plurality of scenario modes according to a scenario setting signal generated by a setting circuit when a total power consumption of a system circuit is greater than the power consumption threshold, selecting a corresponding exclusion parameter from a plurality of exclusion parameters according to the corresponding scenario mode, excluding a corresponding power-down procedure from a plurality of power-down procedures according to the corresponding exclusion parameter to generate a selected power-down group, and performing at least one power-down procedure in the selected power-down group to reduce the total power consumption.

## Claims

### Claim 1

A power delivery device, comprising:
a system circuit;
a setting circuit generating a different scenario setting signal in response to a different input;
a connector adapted to be externally connected to a power adaptor, the connector comprising a power supply pin and a configuration channel pin;
a power management circuit connected to the connector and the system circuit for drawing a supply power through the power supply pin when the connector is externally connected to the power adaptor, providing a system power to the system circuit, and detecting a total power consumption of the system circuit; and
a control circuit connected to the system circuit, the setting circuit, the connector and the power management circuit and having a plurality of scenario modes, a plurality of exclusion parameters and a plurality of power-down procedures stored therein, wherein the plurality of scenario modes correspond to the different scenario setting signal and the plurality of exclusion parameters, and the plurality of exclusion parameters correspond to the plurality of power-down procedures, and each of the plurality of power-down procedures is for changing a different operation parameter of one between the system circuit and the control circuit;
wherein, the control circuit communicates with the power adaptor through the configuration channel pin, so as to acquire a power supply quota of the power adaptor; and
wherein, the control circuit is for further selecting a corresponding scenario mode from the plurality of scenario modes according to a scenario setting signal generated by the setting circuit when the total power consumption of the system circuit is greater than a power consumption threshold, selecting a corresponding exclusion parameter from the plurality of exclusion parameters according to the corresponding scenario mode, excluding a corresponding power-down procedure from the plurality of power-down procedures according to the corresponding exclusion parameter to generate a selected power-down group, and performing at least one power-down procedure in the selected power-down group to reduce the total power consumption, wherein the power consumption threshold is generated according to the power supply quota acquired.

### Claim 2 (depends on 1)

The power delivery device according to claim 1, wherein the system circuit comprises a battery circuit, and a first power-down procedure in the plurality of power-down procedures is for reducing a charging current of the battery circuit as the operation parameter.

### Claim 3 (depends on 1)

The power delivery device according to claim 1, wherein the system circuit comprises a display circuit and a driver circuit, the driver circuit is for generating a pulse width modulation (PWM) signal to control a brightness of the display circuit, and a second power-down procedure in the plurality of power-down procedures is for changing a duty cycle of the PWM signal of the driver circuit as the operation parameter or changing a maximum brightness of the display circuit as the operation parameter, so as to reduce the brightness.

### Claim 4 (depends on 1)

The power delivery device according to claim 1, wherein a third power-down procedure in the plurality of power-down procedures is for reducing an operating frequency of the control circuit as the operation parameter.

### Claim 5 (depends on 1)

The power delivery device according to claim 1, wherein the system circuit comprises a wireless communication circuit, and a fourth power-down procedure in the plurality of power-down procedures is for reducing a radio-frequency (RF) power of the wireless communication circuit as the operation parameter.

### Claim 6 (depends on 1)

The power delivery device according to claim 1, wherein the system circuit comprises an audio circuit, and a fifth power-down procedure in the plurality of power-down procedures is for reducing an audio power of the audio circuit as the operation parameter.

### Claim 7 (depends on 1)

The power delivery device according to claim 1, wherein a sixth power-down procedure in the plurality of power-down procedures is for reducing a polling frequency of the control circuit as the operation parameter.

### Claim 8 (depends on 1)

The power delivery device according to claim 1, wherein the setting circuit is a user interface.

### Claim 9 (depends on 8)

The power delivery device according to claim 8, wherein the user interface is a keyboard having a plurality of keys or a touch display panel having a plurality of option icons.

### Claim 10

A control method of a power delivery device, comprising:
communicating with a power adaptor through a configuration channel pin of a connector to acquire a power supply quota of the power adaptor, and generating a power consumption threshold based on the acquired power supply quota;
when the connector is externally connected to the power adaptor, drawing a supply power through a power supply pin of the connector, and providing a system power to a system circuit according to the supply power;
detecting a total power consumption of the system circuit;
selecting, based upon the total power consumption being greater than the power consumption threshold, a corresponding scenario mode from a plurality of scenario modes according to a scenario setting signal generated by a setting circuit, wherein the plurality of scenario modes respectively correspond to a plurality of exclusion parameters and respectively correspond to a plurality of different scenario setting signals, and the scenario setting signal generated by the setting circuit is one of the plurality of different scenario setting signals;
selecting a corresponding exclusion parameter from the plurality of exclusion parameters according to the corresponding scenario mode;
selecting a corresponding power-down procedure from a plurality of power-down procedures according to the corresponding exclusion parameter to generate a selected power-down group, wherein the plurality of exclusion parameters respectively correspond to the plurality of power-down procedures, and each of the plurality of power-down procedures is for changing a different operation parameter of one between the system circuit and a control circuit; and
performing at least one power-down procedure in the selected power-down group to reduce the total power consumption.