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1. 发明申请

US20190296587A1 TUNABLE/DE-TUNABLE WIRELESS POWER RESONATOR SYSTEM AND RELATED METHODS 审中-公开
公开(公告)号：US20190296587A1
公开(公告)日：2019-09-26
申请号：US16437574
申请日：2019-06-11
申请人： SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
发明人： Abdullah AHMED , Gareth Pryce WEALE
IPC分类号： H02J50/12
摘要： A wireless power transmission (WPT) system. Implementations may include a power source coupled with a first wireless power transmission (WPT) system and a load coupled with a second WPT system including a sense circuit. The second WPT system, using the sense circuit, may be configured to dynamically tune a resonance of the second WPT system with the first WPT system to a desired resonance frequency value to allow transfer of a desired voltage or a desired power to the load. The desired resonance frequency value may be less than a maximum possible resonance frequency value. The first WPT system may be capable of transmitting more voltage or more power than the second WPT system or the load can receive without inducing damage to the second WPT system or the load.

2. 发明申请

US20180316228A1 TUNABLE/DE-TUNABLE WIRELESS POWER RESONATOR SYSTEM AND RELATED METHODS 审中-公开
公开(公告)号：US20180316228A1
公开(公告)日：2018-11-01
申请号：US16029444
申请日：2018-07-06
申请人： SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
发明人： Abdullah AHMED , Gareth Pryce WEALE
IPC分类号： H02J50/12
CPC分类号： H02J50/12 , H02J7/025
摘要： A wireless power transmission (WPT) system. Implementations may include a power source coupled with a first wireless power transmission (WPT) system and a load coupled with a second WPT system including a sense circuit. The second WPT system, using the sense circuit, may be configured to dynamically tune a resonance of the second WPT system with the first WPT system to a desired resonance frequency value to allow transfer of a desired voltage or a desired power to the load. The desired resonance frequency value may be less than a maximum possible resonance frequency value. The first WPT system may be capable of transmitting more voltage or more power than the second WPT system or the load can receive without inducing damage to the second WPT system or the load.

3. 发明申请

US20210021235A1 CIRCUIT AND METHOD FOR CONTROLLING A CRYSTAL OSCILLATOR 有权
公开(公告)号：US20210021235A1
公开(公告)日：2021-01-21
申请号：US16948617
申请日：2020-09-25
申请人： SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
发明人： Abdullah AHMED
IPC分类号： H03B5/36 , H03L5/00 , H03L3/00 , H03B5/06
摘要： A crystal oscillator circuit that can be controlled for fast start-up and for efficient operation is disclosed. The control includes adjusting a voltage applied to a body terminal of a transistor in order to control the amplification of the crystal oscillator. The amplification can be increased, relative to a motional resistance of the crystal oscillator, at start-up to reduce a start-up time necessary for oscillation. The amplification can also be decreased in order to maintain oscillation after start-up more efficiently. In some implementations, the transistor for control is a fully depleted silicon on insulator (FDSOI) transistor that accommodates a wide range of body bias voltages.

4. 发明申请

US20170063157A1 TUNABLE/DE-TUNABLE WIRELESS POWER RESONATOR SYSTEM AND RELATED METHODS 审中-公开
标题翻译： TUNABLE / DE-TUNABLE无线电力谐振器系统及相关方法
公开(公告)号：US20170063157A1
公开(公告)日：2017-03-02
申请号：US14843819
申请日：2015-09-02
申请人： SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
发明人： Abdullah AHMED , Gareth Pryce WEALE
IPC分类号： H02J50/12 , H02J7/02
CPC分类号： H02J50/12 , H02J7/025
摘要： A wireless power transmission (WPT) system. Implementations may include a power source coupled with a first wireless power transmission (WPT) system and a load coupled with a second WPT system including a sense circuit. The second WPT system, using the sense circuit, may be configured to dynamically tune a resonance of the second WPT system with the first WPT system to a desired resonance frequency value to allow transfer of a desired voltage or a desired power to the load. The desired resonance frequency value may be less than a maximum possible resonance frequency value. The first WPT system may be capable of transmitting more voltage or more power than the second WPT system or the load can receive without inducing damage to the second WPT system or the load.
摘要翻译：无线电力传输（WPT）系统。实现可以包括与第一无线电力传输（WPT）系统耦合的电源以及与包括感测电路的第二WPT系统耦合的负载。使用感测电路的第二WPT系统可以被配置为将第二WPT系统与第一WPT系统的谐振动态地调谐到期望的谐振频率值，以允许将期望的电压或期望的功率传送到负载。期望的共振频率值可以小于最大可能的共振频率值。第一WPT系统可能能够传输比第二WPT系统更多的电压或更多的功率，或负载可以接收，而不会对第二WPT系统或负载造成损害。

5. 发明申请

US20210266008A1 TWO-CAPACITOR DIGITAL-TO-ANALOG CONVERTER 有权
公开(公告)号：US20210266008A1
公开(公告)日：2021-08-26
申请号：US17248840
申请日：2021-02-10
申请人： SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
发明人： Abdullah AHMED , Akinobu ONISHI , Taichiro KAWAI
IPC分类号： H03M1/80 , H03M1/46
摘要： A two-capacitor digital-to-analog converter circuit having circuitry to compensate for an unwanted capacitance is disclosed. The converter is configured to generate an average voltage on two capacitors for a sequence of bits in a digital word so that when the final bit is reached, the average voltage corresponds to an analog level of the digital word. The converter is configured to input and average the voltage on the two capacitors using different modes to minimize the effects of capacitor mismatch and switching capacitance on the accuracy of the conversion. The converter includes a buffer amp that has an input capacitance that can affect the conversion. Accordingly, the converter further includes capacitance compensation circuitry configured to provide a replica input capacitance that can be charged and discharged according to the bits of the digital word and coupled to the input capacitor to prevent the input capacitance from affecting the conversion.

6. 发明申请

US20200007089A1 LOW NOISE DIFFERENTIAL AMPLIFIER 审中-公开
公开(公告)号：US20200007089A1
公开(公告)日：2020-01-02
申请号：US16570213
申请日：2019-09-13
申请人： SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
发明人： Abdullah AHMED , Jonas WEILAND
IPC分类号： H03F1/26 , H03F3/45
摘要： In one general aspect, an amplifier can include an input amplifier circuit configured to receive a bias current and receive, as an input, a signal pair connected differentially to the input amplifier circuit, the input amplifier circuit configured to output a differential output signal pair based on the received differential input signal pair, a feedback amplifier circuit configured to receive an average of the differential output signal pair and configured to provide a bias setting output for controlling the bias current, and an output buffer circuit configured to buffer the differential output signal pair, the buffering resulting in a buffered differential output signal pair capable of driving a resistive load.

7. 发明申请

US20190273471A1 LOW NOISE DIFFERENTIAL AMPLIFIER 审中-公开
公开(公告)号：US20190273471A1
公开(公告)日：2019-09-05
申请号：US15909098
申请日：2018-03-01
申请人： SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
发明人： Abdullah AHMED , Jonas WEILAND
IPC分类号： H03F1/26 , H03F3/45
摘要： In one general aspect, an amplifier can include an input amplifier circuit configured to receive a bias current and receive, as an input, a signal pair connected differentially to the input amplifier circuit, the input amplifier circuit configured to output a differential output signal pair based on the received differential input signal pair, a feedback amplifier circuit configured to receive an average of the differential output signal pair and configured to provide a bias setting output for controlling the bias current, and an output buffer circuit configured to buffer the differential output signal pair, the buffering resulting in a buffered differential output signal pair capable of driving a resistive load.

8. 发明申请

US20180034430A1 PROGRAMMABLE AMPLIFIER AND METHOD OF OPERATING THE SAME 有权
公开(公告)号：US20180034430A1
公开(公告)日：2018-02-01
申请号：US15222355
申请日：2016-07-28
申请人： SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
发明人： Abdullah AHMED , Frederick Edward SYKES
IPC分类号： H03G3/30 , H03F3/45
CPC分类号： H03G3/30 , H03F3/45475 , H03F3/45995 , H03F2200/171 , H03F2203/45044 , H03G1/0088 , H03G1/0094 , H03G3/001 , H03G5/28
摘要： A programmable amplifier includes an amplifier, an input capacitor, a feedback circuit, and a high-pass filter circuit. The amplifier has an input coupled to the input capacitor for receiving an input signal. The feedback circuit includes multiple feedback capacitors of differing capacitance values that are each selectively coupled between the output of the amplifier and the input of the amplifier using multiple first switches. The high-pass filter circuit includes multiple switched capacitors of differing capacitance values that are each selectively coupled between the amplifier output and a ground node using multiple second switches. The first switches are configured to be selectively switched on for activating at least one feedback capacitor to adjust a gain of the amplifier, while the second switches are configured to be selectively switched at a first and second phase of a clock signal to adjust a high-pass cutoff frequency of the amplifier independently of how the gain is adjusted.

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