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公开(公告)号：US10897201B2
公开(公告)日：2021-01-19
申请号：US16407294
申请日：2019-05-09
Applicant: NXP B.V.
Inventor： Hans Halberstadt
Abstract: A switched mode power supply including an alternating current power supply configured to output a voltage, a sense resistor configured to sense a voltage output from the power supply, a current sense processor configured to sense a current level through the sense resistor, sense disturbances in the sensed voltage, and reconstruct the sensed voltage to eliminate the disturbances.
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2.发明授权公开(公告)号：US10367424B2
公开(公告)日：2019-07-30
申请号：US15556133
申请日：2016-01-29
Applicant: NXP B.V.
Inventor： Hans Halberstadt , Frank van Rens
Abstract: A control arrangement is disclosed for a switch mode power supply (SMPS), the SMPS comprising an opto-coupler configured to transfer, from a secondary side to a primary side of the switch mode power supply by means of an LED current, a control signal indicative of an error between an amplifier-reference-signal and an amplifier-sensed-signal indicative of an actual value of an output parameter, the control arrangement comprising: an error amplifier configured to integrate the error to determine the LED current; and a feedback loop configured to adjust the magnitude of the LED current by modifying the amplifier-reference-signal or the amplifier-sensed-signal in order to reduce the error. A SMPS comprising such a control arrangement, and a corresponding method is also disclosed.
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3.发明申请公开(公告)号：US20180054129A1
公开(公告)日：2018-02-22
申请号：US15556133
申请日：2016-01-29
Applicant: NXP B.V.
Inventor： Hans Halberstadt , Frank van Rens
CPC classification number: H02M3/33523 , H02M1/00 , H02M2001/0025 , H02M2001/0032
Abstract: A control arrangement is disclosed for a switch mode power supply (SMPS), the SMPS comprising an opto-coupler configured to transfer, from a secondary side to a primary side of the switch mode power supply by means of an LED current, a control signal indicative of an error between an amplifier-reference-signal and an amplifier-sensed-signal indicative of an actual value of an output parameter, the control arrangement comprising: an error amplifier configured to integrate the error to determine the LED current; and a feedback loop configured to adjust the magnitude of the LED current by modifying the amplifier-reference-signal or the amplifier-sensed-signal in order to reduce the error. A SMPS comprising such a control arrangement, and a corresponding method is also disclosed.
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公开(公告)号：US20170093297A1
公开(公告)日：2017-03-30
申请号：US15267350
申请日：2016-09-16
Applicant: NXP B.V.
Inventor： Hans Halberstadt
IPC: H02M3/335
CPC classification number: H02M3/33569 , H02M1/00 , H02M1/143 , H02M3/335 , H02M3/337 , H02M2001/0022 , Y02B70/1433 , Y02P80/112
Abstract: A resonant converter circuit comprising a controller having a Vbusdiv-input-terminal configured to receive a Vbusdiv-input-signal; and a Vbus-compensation-network. The Vbus-compensation-network comprising: a Vbus-input-terminal configured to receive a bus-voltage-signal; and a Vbusdiv-output-terminal configured to provide the Vbusdiv-input-signal to the controller; a reference terminal; an AC-impedance-network; connected between the Vbus-input-terminal and the Vbusdiv-output-terminal, wherein the AC-impedance-network is configured to apply an AC transfer function to the received bus voltage signal; a DC-impedance-network connected between the Vbus-input-terminal and the Vbusdiv-output-terminal, wherein the DC-impedance-network is configured to apply a DC transfer function to the received bus voltage signal. The DC transfer function is different to the AC transfer function. The controller is configured to control operation of a resonant converter in accordance with the Vbusdiv-input-signal.
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公开(公告)号：US09257985B2
公开(公告)日：2016-02-09
申请号：US14676722
申请日：2015-04-01
Applicant: NXP B.V.
Inventor： Hans Halberstadt
IPC: H03K19/00 , H03K19/096
CPC classification number: H03K19/096 , G06F1/04 , G06F1/10 , G06F1/3237 , G06F1/324 , H03K19/0016 , Y02D10/126 , Y02D10/128
Abstract: Consistent with an example embodiment, the disclosed includes a synchronized logic circuit comprising: an input module; an output module; a decision logic module connected between the input and output modules and configured to provide a next output state to the output module dependent on a current input state provided from the input and output modules; a clock module connected to the input and output modules and configured to provide a clock signal for synchronizing operation of the input and output modules; and an input detection module connected to the input module and configured to provide an enable signal to the clock module on detection of a change in an input provided to the input module, wherein the clock module is configured to provide a clock signal to the input and output modules on receiving the enable signal from the input detection circuit.
Abstract translation: 与示例实施例一致，所公开的包括同步逻辑电路，包括：输入模块; 输出模块; 连接在所述输入和输出模块之间并被配置为根据从输入和输出模块提供的当前输入状态向输出模块提供下一个输出状态的决策逻辑模块; 连接到所述输入和输出模块并被配置为提供用于同步所述输入和输出模块的操作的时钟信号的时钟模块; 以及输入检测模块，其连接到所述输入模块并且被配置为在检测到提供给所述输入模块的输入的变化时向所述时钟模块提供使能信号，其中所述时钟模块被配置为向所述输入模块提供时钟信号， 输出模块接收来自输入检测电路的使能信号。
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Patent Agency Ranking
6.发明申请公开(公告)号：US20150207414A1
公开(公告)日：2015-07-23
申请号：US14158799
申请日：2014-01-18
Applicant: NXP B.V.
Inventor： Hans Halberstadt
IPC: H02M3/335
CPC classification number: H02M3/33507 , H02M3/33592 , Y02B70/1475
Abstract: Methods for supplying a synchronous rectifier (SR) driver circuit and supply voltage generation circuits for a SR driver circuit are described. In one embodiment, a method for supplying a SR driver circuit involves receiving a converted voltage from a secondary winding of a transformer and generating a supply voltage for the SR driver circuit based on the converted voltage, where the supply voltage is higher than an output voltage of the transformer that is generated using the secondary winding. Other embodiments are also described.
Abstract translation: 描述了用于为SR驱动器电路提供同步整流器（SR）驱动电路和电源电压产生电路的方法。 在一个实施例中，用于提供SR驱动器电路的方法包括从变压器的次级绕组接收转换的电压，并且基于转换的电压产生用于SR驱动器电路的电源电压，其中电源电压高于输出电压 使用次级绕组产生的变压器。 还描述了其它实施例。
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公开(公告)号：US11165353B2
公开(公告)日：2021-11-02
申请号：US17032338
申请日：2020-09-25
Applicant: NXP B.V.
Inventor： Hans Halberstadt
Abstract: A power converter including: a dual output resonant converter including a first output, a second output, a common mode control input, and a differential mode control input, wherein a voltage/current at the first output and a voltage/current at the second output are controlled in response to a common mode control signal received at the common mode control input and a differential mode control signal received at the differential mode control input; a dual output controller including a first error signal input, a second error signal input, a common mode control output, and a differential mode control output, wherein the dual output controller is configured to generate the common mode control signal and the differential mode control signal in response to a first error signal received at the first error signal input and a second error signal received at the second error signal input, wherein the first error signal is a function of the voltage/current at the first output and the second error signal is a function of the voltage/current at the second output, and wherein the common mode control signal is output from the common mode control output and the differential mode control signal is output from the differential mode control output; and a common mode signal offset circuit configured to generate a common mode signal offset signal wherein the common mode signal offset signal adjusts a difference in output power between the first output and the second output of the dual output resonant converter.
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公开(公告)号：US20210021198A1
公开(公告)日：2021-01-21
申请号：US17032338
申请日：2020-09-25
Applicant: NXP B.V.
Inventor： Hans Halberstadt
Abstract: A power converter including: a dual output resonant converter including a first output, a second output, a common mode control input, and a differential mode control input, wherein a voltage/current at the first output and a voltage/current at the second output are controlled in response to a common mode control signal received at the common mode control input and a differential mode control signal received at the differential mode control input; a dual output controller including a first error signal input, a second error signal input, a common mode control output, and a differential mode control output, wherein the dual output controller is configured to generate the common mode control signal and the differential mode control signal in response to a first error signal received at the first error signal input and a second error signal received at the second error signal input, wherein the first error signal is a function of the voltage/current at the first output and the second error signal is a function of the voltage/current at the second output, and wherein the common mode control signal is output from the common mode control output and the differential mode control signal is output from the differential mode control output; and a common mode signal offset circuit configured to generate a common mode signal offset signal wherein the common mode signal offset signal adjusts a difference in output power between the first output and the second output of the dual output resonant converter.
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公开(公告)号：US10090775B2
公开(公告)日：2018-10-02
申请号：US15062390
申请日：2016-03-07
Applicant: NXP B.V.
Inventor： Hans Halberstadt
Abstract: A method is disclosed of discharging an input capacitor of a switch mode power supply comprising a power switch and the input capacitor, through the power switch and in response to disconnection of the switch mode power supply from a mains supply, the power switch having a control terminal and main terminals; the method comprising a repeated sequence, the sequence comprising: charging the control terminal to partially close the power switch until a comparator indicates that a capacitor discharge current from the capacitor through the main terminals is equal to a reference signal; and thereafter discharging the control terminal, thereby stopping the capacitor discharge current. A corresponding control and power supply is also disclosed.
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公开(公告)号：US20180168011A1
公开(公告)日：2018-06-14
申请号：US15374562
申请日：2016-12-09
Applicant: NXP B.V.
Inventor： Hans Halberstadt
CPC classification number: H05B33/0815 , H02M1/14 , H02M3/33546 , H02M3/33561 , H02M3/33569 , H02M2001/0025 , H02M2001/0058 , H02M2001/009
Abstract: A power converter and a method for controlling a power converter are disclosed. The method involves generating a common mode control signal and a differential mode control signal in response to a first error signal and a second error signal, wherein the first error signal is a function of the voltage/current at a first output of a dual output resonant converter and the second error signal is a function of the voltage/current at a second output of the dual output resonant converter. The method also involves adjusting the voltage/current at the first output of the dual output resonant converter and the voltage/current at the second output of the dual output resonant converter in response to the common mode control signal and the differential mode control signal.
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