# US 10,873,262 B2 · Semiconductor chip power supply system

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- Number: US 10,873,262 B2
- Document ID: US10873262B2
- Status: Granted
- Kind: B2
- Application number: 16/808,662
- Filed: 2020-03-04
- Published: 2020-06-25
- Granted: 2020-12-22
- Earliest claimed: 2017-09-07
- Assignees: Delta Electronics (Shanghai) Co., Ltd.
- Applicants: Delta Electronics (Shanghai) CO., LTD
- Inventors: Jianhong Zeng; Haoyi Ye; Xiaoni Xin; Siyu He; Xinjian Zou
- Web page: https://patentgrep.com/patent/US10873262B2

## CPC

- H02M 3/1584: {with a plurality of power processing stages connected in parallel}
- G06F 1/28: Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
- H02M 1/08: Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M 3/1588: {comprising at least one synchronous rectifier element (H02M3/1582, H02M3/1584 take precedence)}
- H10W 90/00: Package configurations
- Y02B 70/10: Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
- H02M: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers H01F; dynamo-electric converters H02K47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS

## Abstract

The present disclosure provides a semiconductor chip power supply system, including: a semiconductor chip including: a first data processing function area and a first power converter control area, the first data processing function area and the first power converter control area being formed on a first semiconductor substrate of the semiconductor chip; and a first power converter power stage located outside the first semiconductor substrate and electrically connected to the first power converter control area and the first data processing function area; wherein the first power converter control area controls the first power converter power stage to supply power to the first data processing function area.

## Claims

### Claim 1

A semiconductor chip power supply system, comprising:
a semiconductor chip comprising: a first data processing function area and a first power converter control area, the first data processing function area and the first power converter control area being formed on a first semiconductor substrate of the semiconductor chip; and
a first power converter power stage located outside the first semiconductor substrate and electrically connected to the first power converter control area and the first data processing function area;
wherein the first power converter control area controls the first power converter power stage to supply power to the first data processing function area, and the first power converter control area receives a signal of an output voltage of the first power converter power stage and adjusts an output voltage of the first power converter power stage according to a working frequency of the first data processing function area;
wherein the first power converter power stage comprises: at least a switch, a driver and at least a passive device.

### Claim 2 (depends on 1)

The semiconductor chip power supply system according to claim 1, wherein the semiconductor chip comprises: a drive signal sending pin, the first power converter control area sends a drive signal to the driver via the drive signal sending pin, the driver drives the switch according to the drive signal, and the switch cooperates with the passive device to supply power to the first data processing function area.

### Claim 3 (depends on 1)

The semiconductor chip power supply system according to claim 1, wherein the first power converter power stage comprises: a multi-phase paralleled buck circuit or a switched capacitor circuit.

### Claim 4 (depends on 2)

The semiconductor chip power supply system according to claim 2, wherein the first power converter power stage comprises: a working status signal sending pin for sending a working status signal of the first power converter power stage to the first power converter control area, and the semiconductor chip comprises: a working status signal receiving pin for receiving the working status signal and transmitting the working status signal to the first power converter control area inside the semiconductor chip.

### Claim 5 (depends on 4)

The semiconductor chip power supply system according to claim 4, wherein the drive signal sending pin and the working status signal receiving pin are multiplexed.

### Claim 6 (depends on 1)

The semiconductor chip power supply system according to claim 1, wherein the semiconductor chip comprises: a first power supply pin and a second power supply pin, the first power supply pin is electrically connected to the first data processing function area and receives a first voltage provided by the first power converter power stage to supply power to the first data processing function area, and the second power supply pin is electrically connected to the first power converter control area and receives a second voltage to supply power to the first power converter control area.

### Claim 7 (depends on 6)

The semiconductor chip power supply system according to claim 6, wherein the first power supply pin is further electrically connected to the first power converter control area, and when the first voltage is greater than a threshold value, the first voltage of the first power supply pin is used to supply power to the first power converter control area instead of the second voltage of the second power supply pin.

### Claim 8 (depends on 1)

The semiconductor chip power supply system according to claim 1, wherein the semiconductor chip further comprises: a first power management data register and a first semiconductor chip power management area, the first power management data register is electrically connected to the first semiconductor chip power management area, the first power management data register is electrically connected to the first power converter control area, the first semiconductor chip power management area provides a control parameter required by the first power converter control area and stores the control parameter into the first power management data register, and the first power converter control area adjusts a power output of the first power converter power stage by reading the control parameter in the first power management data register.

### Claim 9 (depends on 1)

The semiconductor chip power supply system according to claim 1, wherein the number of the first data processing function areas is N, and each of the first data processing function areas is electrically connected to the first power supply pin, N being greater than or equal to 2.

### Claim 10 (depends on 6)

The semiconductor chip power supply system according to claim 6, wherein the semiconductor chip further comprises: a second data processing function area and a second power converter control area, the second data processing function area and the second power converter control area are formed on the first semiconductor substrate of the semiconductor chip; and
the semiconductor chip power supply system further comprises: a second power converter power stage located outside the first semiconductor substrate and electrically connected to the second power converter control area and the second data processing function area;
wherein the second power converter control area controls the second power converter power stage to supply power to the second data processing function area.

### Claim 11 (depends on 10)

The semiconductor chip power supply system according to claim 10, wherein the semiconductor chip comprises: a third power supply pin and a fourth power supply pin, the third power supply pin is electrically connected to the second data processing function area and receives a third voltage provided by the second power converter power stage to supply power to the second data processing function area, and the fourth power supply pin is electrically connected to the second power converter control area and receives a fourth voltage to supply power to the second power converter control area.

### Claim 12 (depends on 11)

The semiconductor chip power supply system according to claim 11, wherein the first voltage is different from the third voltage, or the second voltage is different from the fourth voltage, or the first voltage is different from the third voltage and the second voltage is different from the fourth voltage.

### Claim 13 (depends on 10)

The semiconductor chip power supply system according to claim 10, wherein the semiconductor chip comprises: a third power supply pin, the third power supply pin is electrically connected to the second data processing function area and receives a third voltage provided by the second power converter power stage to supply power to the second data processing function area, and the second power supply pin is further electrically connected to the second power converter control area to supply power to the second power converter control area.

### Claim 14 (depends on 10)

The semiconductor chip power supply system according to claim 10, wherein the semiconductor chip further comprises: a second power management data register and a second semiconductor chip power management area, the second power management data register is electrically connected to the second semiconductor chip power management area, the second power management data register is electrically connected to the second power converter control area, the second semiconductor chip power management area provides a control parameter required by the second power converter control area and stores the control parameter into the second power management data register, and the second power converter control area adjusts a power output of the second power converter power stage by reading the control parameter in the second power management data register.

### Claim 15 (depends on 10)

The semiconductor chip power supply system according to claim 10, wherein the semiconductor chip further comprises: a first power management data register and a first semiconductor chip power management area, the first power management data register is electrically connected to the first semiconductor chip power management area, the first power management data register is electrically connected to the first power converter control area and the second power converter control area, the first semiconductor chip power management area provides control parameters required by the first power converter control area and the second power converter control area and stores the control parameters into the first power management data register, and the first power converter control area and the second power converter control area respectively adjust power outputs of the first power converter power stage and the second power converter power stage by reading the control parameters in the first power management data register.

### Claim 16 (depends on 1)

The semiconductor chip power supply system according to claim 1, wherein the semiconductor chip further comprises: a second data processing function area formed on the first semiconductor substrate of the semiconductor chip;
the semiconductor chip power supply system further comprises: a second power converter power stage located outside the first semiconductor substrate and a power supply control chip formed on a second semiconductor substrate, the second power converter power stage being electrically connected to the power supply control chip and the second data processing function area;
wherein the power supply control chip controls the second power converter power stage to supply power to the second data processing function area.

### Claim 17 (depends on 16)

The semiconductor chip power supply system according to claim 16, wherein a process precision of the semiconductor chip is higher than or equal to 28 nm, and a process precision of the power supply control chip is lower than 28 nm.

### Claim 18 (depends on 1)

The semiconductor chip power supply system according to claim 1, wherein the first power converter power stage is mounted in a slot of the semiconductor chip.

### Claim 19 (depends on 1)

The semiconductor chip power supply system according to claim 1, wherein the semiconductor chip is carried on a semiconductor chip carrier board, the semiconductor chip carrier board is plugged on a motherboard, and the first power converter power stage is disposed to contact to the semiconductor chip carrier board.

### Claim 20 (depends on 19)

The semiconductor chip power supply system according to claim 19, wherein the first power converter power stage is mounted between the semiconductor chip carrier board and the motherboard.

### Claim 21 (depends on 19)

The semiconductor chip power supply system according to claim 19, wherein the first power converter power stage penetrates through the motherboard and is mounted below the semiconductor chip carrier board.

### Claim 22 (depends on 1)

The semiconductor chip power supply system according to claim 1, further comprising: a high frequency capacitor integrated in the first power converter power stage, the high frequency capacitor having a resonant frequency greater than or equal to 2 MHz.

### Claim 23 (depends on 8)

The semiconductor chip power supply system according to claim 8, wherein the first semiconductor chip power management area, after receiving information that the first data processing function area is to change consumed current, provides the control parameter to the first power converter control area, so that the first power converter control area controls the output voltage of the first power converter power stage to be adjusted before the current consumed by the first data processing function area changes, and an adjustment direction of the output voltage of the first power converter power stage is opposite to a change direction of the output voltage of the first power converter power stage due to the change of the current consumed by the first data processing function area.

### Claim 24 (depends on 1)

The semiconductor chip power supply system according to claim 1, wherein a highest operation frequency of the semiconductor chip is greater than or equal to 500 MHz.

### Claim 25 (depends on 1)

The semiconductor chip power supply system according to claim 1, further comprising: a direct current-direct current converter electrically connected to an input end of the first power converter power stage.

### Claim 26 (depends on 1)

The semiconductor chip power supply system according to claim 1, wherein a process precision of the semiconductor chip is higher than or equal to 28 nm.

### Claim 27 (depends on 26)

The semiconductor chip power supply system according to claim 26, wherein the semiconductor chip power supply system has a startup sequence as below: the first power converter control area is supplied with a required voltage Vcon, after initiation of the first power converter control area, an input voltage to the first power converter power stage Vin is being detected, and when it is detected that the input voltage to the first power converter power stage enters into a pre-defined range, the first power converter control area controls the first power converter power stage to supply power Vo to other parts of the semiconductor chip besides the first power converter control area.
