# US 2025/0096731 A1 · Average power tracking module, average power tracking circuit, communication device, and method for supplying power supply voltage > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0096731 A1 - Document ID: US20250096731A1 - Status: Published application - Kind: A1 - Application number: 18/963,859 - Filed: 2024-11-29 - Published: 2025-03-20 - Earliest claimed: 2022-06-01 - Assignees: Murata Manufacturing Co., Ltd. - Applicants: Murata Manufacturing Co., Ltd. - Inventors: Kenzou OOMORI; Takeshi KOGURE; Yuuki FUKUDA; Toshiki MATSUI - Web page: https://patentgrep.com/patent/US20250096731A1 ## CPC - H03F 1/0233: {by using a signal derived from the output signal, e.g. bootstrapping the voltage supply} - H03F 3/195: in integrated circuits - H03F 1/02: Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation - H03F 3/19: with semiconductor devices only - H03F 3/24: of transmitter output stages - H03F 3/245: {with semiconductor devices only} - H03F 3/68: Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics {(power amplifiers using a combination of several semiconductor amplifiers H03F3/211; combinations of amplifiers using coupling networks with distributed constants H03F3/602)} - H03F 3/72: Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal - H04B 1/04: Circuits - H03F 2200/102: A non-specified detector of a signal envelope being used in an amplifying circuit - H03F 2200/105: A non-specified detector of the power of a signal being used in an amplifying circuit - H03F 2200/451: the amplifier being a radio frequency amplifier - H03F: AMPLIFIERS - H04B: TRANSMISSION ## Abstract An APT module is provided that includes a converter circuit that outputs a power supply voltage, output terminals to which the power supply voltage is applied, a FB terminal connected to a signal path connecting the output terminal and power amplifiers, a FB terminal connected to a signal path connecting the output terminal and power amplifiers, and a control circuit connected to the FB terminals and the converter circuit. ## Claims ### Claim 1 An average power tracking module comprising: a first output terminal and a second output terminal; a converter circuit configured to output a first voltage to the first output terminal and the second output terminal; a first feedback terminal connected to a path between a first power amplifier and the first output terminal; a second feedback terminal connected to a path between a second power amplifier and the second output terminal; and a control circuit connected to the first feedback terminal, the second feedback terminal, and the converter circuit. ### Claim 2 (depends on 1) The average power tracking module according to claim 1, further comprising: a first switch connected between the converter circuit and the first output terminal; and a second switch connected between the converter circuit and the second output terminal. ### Claim 3 (depends on 2) The average power tracking module according to claim 2, wherein the first switch and the second switch are configured to conduct simultaneously. ### Claim 4 (depends on 1) The average power tracking module according to claim 1, wherein the control circuit is configured to cause a higher one of a first power supply voltage and a second power supply voltage to be output as the first voltage from the converter circuit at a predetermined time, the first power supply voltage being supplied at the predetermined time based on output power of the first power amplifier, and the second power supply voltage being supplied at the predetermined time based on output power of the second power amplifier. ### Claim 5 (depends on 4) The average power tracking module according to claim 4, wherein the control circuit is configured to increase the first voltage when: a differential voltage obtained by subtracting a voltage across the first feedback terminal from the first power supply voltage is higher than or equal to a first threshold, or a differential voltage obtained by subtracting a voltage across the second feedback terminal from the second power supply voltage is higher than or equal to a second threshold. ### Claim 6 (depends on 4) The average power tracking module according to claim 4, further comprising: a memory configured to store correlation data indicating a relationship between a power supply voltage to be supplied to the first power amplifier and the output power of the first power amplifier and a relationship between a power supply voltage to be supplied to the second power amplifier and the output power of the second power amplifier, wherein the control circuit is configured to estimate a sum of the output power of the first power amplifier and the output power of the second power amplifier based on the first voltage and the correlation data and to control the first voltage to prevent the sum from exceeding a third threshold. ### Claim 7 (depends on 4) The average power tracking module according to claim 4, wherein the control circuit is configured to decrease the first voltage when: output power of a radio frequency signal output from the first power amplifier exceeds a fourth threshold, or output power of a radio frequency signal output from the second power amplifier exceeds a fifth threshold. ### Claim 8 (depends on 4) The average power tracking module according to claim 4, further comprising: a third feedback terminal connected to a signal output port of the first power amplifier; and a fourth feedback terminal connected to a signal output port of the second power amplifier, wherein the control circuit is configured to decrease the first voltage when a power value detected at the third feedback terminal exceeds a fourth threshold, or a power value detected at the fourth feedback terminal exceeds a fifth threshold. ### Claim 9 (depends on 1) The average power tracking module according to claim 1, further comprising: a module laminate having a first main surface and a second main surface that oppose each other, wherein the converter circuit and the control circuit are disposed on the first main surface, and wherein the first output terminal, the second output terminal, the first feedback terminal, and the second feedback terminal are disposed on the second main surface. ### Claim 10 (depends on 9) The average power tracking module according to claim 9, wherein the converter circuit and the control circuit are included in a semiconductor IC. ### Claim 11 (depends on 9) The average power tracking module according to claim 9, wherein in a plan view of the second main surface: the first output terminal and the first feedback terminal are adjacent to each other, and the second output terminal and the second feedback terminal are adjacent to each other. ### Claim 12 (depends on 9) The average power tracking module according to claim 9, wherein, in a plan view of the second main surface, a control terminal configured to input and output a digital control signal is disposed between the first feedback terminal and the second feedback terminal. ### Claim 13 (depends on 2) The average power tracking module according to claim 2, further comprising: a module laminate having a first main surface and a second main surface that oppose each other, wherein the converter circuit, the control circuit, the first switch, and the second switch are disposed on the first main surface, and wherein, in a plan view of the first main surface, the control circuit is disposed between the first switch and the second switch. ### Claim 14 (depends on 1) A communication device comprising: a signal processing circuit configured to process a radio frequency signal; the average power tracking module according to claim 1, and that is configured to transmit the radio frequency signal between the signal processing circuit and an antenna; a first amplifying module between the average power tracking module and the antenna and that includes the first power amplifier; a second amplifying module between the average power tracking module and the antenna and that includes the second power amplifier; and a mother board on which the signal processing circuit, the average power tracking module, the first amplifying module, and the second amplifying module are disposed, wherein, in a plan view of a main surface of the mother board, the average power tracking module is disposed between the first amplifying module and the second amplifying module. ### Claim 15 (depends on 14) The communication device according to claim 14, wherein the first power amplifier is a primary amplifier, wherein the second power amplifier is a secondary amplifier, and wherein a length of a wiring line connecting the first amplifying module and the average power tracking module is shorter than a length of a wiring line connecting the second amplifying module and the average power tracking module. ### Claim 16 (depends on 14) The communication device according to claim 14, wherein a wiring line connecting the first output terminal and the first amplifying module is thicker than a wiring line connecting the first feedback terminal and the first amplifying module, and wherein a wiring line connecting the second output terminal and the second amplifying module is thicker than a wiring line connecting the second feedback terminal and the second amplifying module. ### Claim 17 An average power tracking circuit comprising: a converter circuit configured to output a first voltage; a first switch disposed on a first path between the converter circuit and a first power amplifier and configured to supply the first voltage to the first power amplifier; and a second switch disposed on a second path between the converter circuit and a second power amplifier and configured to supply the first voltage to the second power amplifier, wherein the first switch and the second switch are configured to conduct simultaneously. ### Claim 18 A method for supplying a power supply voltage to a first power amplifier and a second power amplifier that are configured to simultaneously send respective radio frequency signals, the method comprising: selecting, as a first voltage, a higher voltage of a first power supply voltage based on output power of the first power amplifier and a second power supply voltage based on output power of the second power amplifier; and supplying the selected first voltage to both of the first power amplifier and the second power amplifier. ### Claim 19 (depends on 18) The method for supplying a power supply voltage according to claim 18, further comprising increasing the first voltage when: a differential voltage obtained by subtracting a voltage across a power supply voltage supply line connected to the first power amplifier from the first power supply voltage to be supplied at a predetermined time based on the output power of the first power amplifier is higher than or equal to a first threshold, or a differential voltage obtained by subtracting a voltage across a power supply voltage supply line connected to the second power amplifier to be supplied at the predetermined time based on the output power of the second power amplifier from the second power supply voltage is higher than or equal to a second threshold. ### Claim 20 (depends on 18) The method for supplying a power supply voltage according to claim 18, further comprising decreasing the first voltage when: output power of one of the radio frequency signals that is output from the first power amplifier exceeds a fourth threshold, or output power of one of the radio frequency signals that is output from the second power amplifier exceeds a fifth threshold.