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1. 发明公开

US20240356572A1 RECEIVER CIRCUIT 审中-公开
公开(公告)号：US20240356572A1
公开(公告)日：2024-10-24
申请号：US18632373
申请日：2024-04-11
申请人： NXP USA, INC.
发明人： Denis Sergeevich Shuvalov
IPC分类号： H04B1/16
CPC分类号： H04B1/16
摘要： A receiver circuit, comprising: an receiver-input-terminal configured to receive input-signalling; an receiver-output-terminal configured to provide output-signalling; a plurality of sub-receivers, each configured to compare the received input-signalling with a different effective threshold value in order to provide a digital sub-receiver-output-signal, wherein the different effective threshold values have weighted values in a sequence between a least significant value and a most significant value; a controller configured to, in response to detecting calibration-signalling at the receiver-input-terminal: process the digital sub-receiver-output-signals in order to identify the sub-receiver with the most significant effective threshold value that is triggered by the calibration-signalling as a triggered-sub-receiver; identify a preceding-sub-receiver as the sub-receiver that has an effective threshold value that is before that of the triggered-sub-receiver in the sequence of weighted effective threshold values; and configure the receiver circuit such that, for subsequent signal processing, the sub-receiver-output-signal from the preceding-sub-receiver is provided to the receiver-output-terminal.

2. 发明授权

US11824442B2 Error amplifier circuits for DC-DC converters, DC-DC converters and controllers 有权
公开(公告)号：US11824442B2
公开(公告)日：2023-11-21
申请号：US17341644
申请日：2021-06-08
申请人： NXP USA, Inc.
发明人： Denis Sergeevich Shuvalov
IPC分类号： H02M3/158 , H02M1/00 , G05F1/56 , H02M1/08
CPC分类号： H02M3/158 , G05F1/561 , H02M1/0025 , H02M1/08
摘要： An error amplifier circuit for a DC-DC power converter controller is disclosed for providing an amplified error signal to a switch control circuit, the circuit comprising an error amplifier first stage. The first stage comprises: a first input terminal for receiving a voltage proportional to an output voltage of the converter; an output node; a first operational transconductance amplifier in a first path between the input terminal and the output node and having a first input connected to the input terminal, a second input connectable to a reference signal, and an output connected to the output node; and a second, parallel, path comprising a series combination of an amplifier, a second OTA and a capacitor. The second OTA has an output connected to the capacitor, a first input connected to an output of the amplifier, and a second input connected to the output. Associated control circuits, controllers and converters are also disclosed.

3. 发明授权

US11777476B2 Level shifter circuit with integrated feedback circuit, dc-dc converter, and method 有权
公开(公告)号：US11777476B2
公开(公告)日：2023-10-03
申请号：US17469236
申请日：2021-09-08
申请人： NXP USA, Inc.
发明人： Denis Sergeevich Shuvalov
IPC分类号： H03K3/037 , H02M3/158
CPC分类号： H03K3/0375 , H02M3/158
摘要： There is described a pulse-triggered level shifter circuit comprising: i) a command circuit configured to shift a command input signal of a first voltage domain to a command output signal of a second voltage domain, the command circuit comprising: a) a command input stage for receiving the command input signal, and b) a command output stage for providing the command output signal; and ii) a feedback circuit coupled to the command circuit and configured to shift a feedback input signal of a third voltage domain to a feedback output signal of a forth voltage domain, the feedback circuit comprising: c) a feedback input stage for receiving the command output signal as the feedback input signal, and d) a feedback output stage for providing the feedback output signal. The command circuit and the feedback circuit are hereby integrated into one single level shifter circuit.

4. 发明申请

US20220103162A1 LEVEL SHIFTER CIRCUIT WITH INTEGRATED FEEDBACK CIRCUIT, DC-DC CONVERTER, AND METHOD 有权
公开(公告)号：US20220103162A1
公开(公告)日：2022-03-31
申请号：US17469236
申请日：2021-09-08
申请人： NXP USA, Inc.
发明人： Denis Sergeevich Shuvalov
IPC分类号： H03K3/037 , H02M3/158
摘要： There is described a pulse-triggered level shifter circuit comprising: i) a command circuit configured to shift a command input signal of a first voltage domain to a command output signal of a second voltage domain, the command circuit comprising: a) a command input stage for receiving the command input signal, and b) a command output stage for providing the command output signal; and ii) a feedback circuit coupled to the command circuit and configured to shift a feedback input signal of a third voltage domain to a feedback output signal of a forth voltage domain, the feedback circuit comprising: c) a feedback input stage for receiving the command output signal as the feedback input signal, and d) a feedback output stage for providing the feedback output signal. The command circuit and the feedback circuit are hereby integrated into one single level shifter circuit.

5. 发明申请

US20220038000A1 ERROR AMPLIFIER CIRCUITS FOR DC-DC CONVERTERS, DC-DC CONVERTERS AND CONTROLLERS 有权
公开(公告)号：US20220038000A1
公开(公告)日：2022-02-03
申请号：US17341644
申请日：2021-06-08
申请人： NXP USA, Inc.
发明人： Denis Sergeevich Shuvalov
IPC分类号： H02M3/158 , H02M1/00 , G05F1/56 , H02M1/08
摘要： An error amplifier circuit for a DC-DC power converter controller is disclosed for providing an amplified error signal to a switch control circuit, the circuit comprising an error amplifier first stage. The first stage comprises: a first input terminal for receiving a voltage proportional to an output voltage of the converter; an output node; a first operational transconductance amplifier in a first path between the input terminal and the output node and having a first input connected to the input terminal, a second input connectable to a reference signal, and an output connected to the output node; and a second, parallel, path comprising a series combination of an amplifier, a second OTA and a capacitor. The second OTA has an output connected to the capacitor, a first input connected to an output of the amplifier, and a second input connected to the output. Associated control circuits, controllers and converters are also disclosed.

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