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公开(公告)号：US10931194B2
公开(公告)日：2021-02-23
申请号：US16017763
申请日：2018-06-25
发明人： Gaurav Bawa
摘要： A system, DC-DC converter, and compensation method and circuit for a DC-DC converter are disclosed. For example, a compensation circuit for a DC-DC converter is disclosed. The compensation circuit includes an integrator circuit configured to receive and integrate a first voltage signal, a differential difference amplifier circuit coupled to the integrator circuit and configured to generate a first filter transfer function associated with the integrated first voltage signal, and a switched capacitor filter circuit coupled to the differential difference amplifier circuit and configured to generate a second filter transfer function, wherein the differential difference amplifier is further configured to output a second voltage signal responsive to the first filter transfer function and the second filter transfer function. In one implementation, the compensation circuit is a type-III switched capacitor filter (SCF) compensation circuit.
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公开(公告)号：US10643959B2
公开(公告)日：2020-05-05
申请号：US15453889
申请日：2017-03-08
IPC分类号： H01L23/64 , H01L23/31 , H01L23/495 , H01L25/16 , H01L25/00 , H01L23/367 , H01L23/48 , H01L23/00 , H05K3/34
摘要： An embodiment of a circuit includes a circuit module and an inductor disposed over and electrically coupled to the module. Disposing the inductor over the module may reduce the area occupied by the circuit as compared to a circuit where the inductor is disposed adjacent to the module, or to a circuit where the inductor is disposed in the module adjacent to other components of the module. Furthermore, disposing the inductor outside of the module may allow one to install or replace the inductor.
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公开(公告)号：US10447027B1
公开(公告)日：2019-10-15
申请号：US15828348
申请日：2017-11-30
发明人： Chun Cheung , Mir Mahin , Paul Dackow
摘要： The present embodiments relate to methods and apparatuses for providing fault protection in a power controller such as a voltage regulator, and particularly protection against reverse over current fault conditions. Some embodiments are capable of distinguishing between different types of reverse over current conditions, such as a high-side short or a normal over voltage condition. In these and other embodiments, fault protection is performed in favor of a load connected to the voltage regulator, rather than components of the voltage regulator itself.
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公开(公告)号：US10418481B2
公开(公告)日：2019-09-17
申请号：US15789831
申请日：2017-10-20
发明人： Dev Alok Girdhar
IPC分类号： H01L31/113 , H01L29/10 , H01L29/08 , H01L29/78 , H01L29/06 , H01L29/40 , H01L29/423 , H01L29/66
摘要： One embodiment is directed towards a method. The method includes forming a drift region of a first conductivity type above or in a substrate. The substrate has first and second surfaces. A first insulator is formed over a first portion of the channel, and which has a first thickness. A second insulator is formed over the second portion of the channel, and which has a second thickness that is less than the first thickness. A first gate is formed over the first insulator. A second gate is formed over the second insulator. A body region of a second conductivity type is formed above or in the substrate.
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公开(公告)号：US10401494B2
公开(公告)日：2019-09-03
申请号：US15614510
申请日：2017-06-05
发明人： Manoj Bikumandla
摘要： An optical proximity detector includes a plurality photodetectors (PDs) and a winner-take-all (WTA) circuit. Each of the PDs has a respective field of view (FOV) and produces a respective analog current detection signal indicative of light incident on and detected by the PD. In an embodiment, the WTA circuit includes a comparator and a multiplexor (MUX). The comparator compares the analog current detection signals produced by the PDs and produces a selection signal in dependence thereon. The MUX receives the analog current detection signals produced by the PDs and outputs one of the analog current detection signals in dependence on the selection signal produced by the comparator. Circuitry, which is shared by the PDs, produces a digital detection signal corresponding to the one of the analog current detection signals output by the MUX. Such design can be used to reduce power consumption, size and cost of an optical proximity detector.
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6.再颁专利公开(公告)号：USRE47503E1
公开(公告)日：2019-07-09
申请号：US15078995
申请日：2016-03-23
发明人： Kenneth Dyer , Eric Lee , Xijian Lin
IPC分类号： H01L31/0203 , H01L27/146 , H01L31/0216 , H01L31/0232
摘要： Photodetectors, methods for use in manufacturing photodetectors, and systems including photodetectors, are described herein. In an embodiment, a photodetector includes a plurality of photodiode regions, at least some of which are covered by an optical filter. A plurality of metal layers are located between the photodiode regions and the optical filter. The metal layers include an uppermost metal layer that is closest to the optical filter and a lowermost metal layer that is closest to the photodiode regions. One or more inter-level dielectric layers separate the metal layers from one another. Each of the metal layers includes one or more metal portions and one or more dielectric portions. The uppermost metal layer is devoid of any metal portions underlying the optical filter.
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公开(公告)号：US10348204B2
公开(公告)日：2019-07-09
申请号：US15878226
申请日：2018-01-23
IPC分类号： H02M3/158
摘要： An electronic system, DC-DC voltage converter, method of operating a buck-boost DC-DC converter, and method for power mode transitioning in a DC-DC voltage converter are disclosed. For example, one method includes receiving a compensated error signal associated with an output voltage of the DC-DC voltage converter, determining a power mode of operation of the DC-DC voltage converter, and if the power mode of operation is a first mode, outputting a first control signal to regulate the output voltage of the DC-DC voltage converter. If the power mode of operation is a second mode, outputting a second control signal to regulate the output voltage of the DC-DC voltage converter, and if the power mode of operation is a third mode, outputting a third control signal to regulate the output voltage of the DC-DC voltage converter.
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公开(公告)号：US10298132B2
公开(公告)日：2019-05-21
申请号：US15680033
申请日：2017-08-17
发明人： Sitthipong Angkititrakul , Jian Yin
摘要： Disclosed herein is a power converter with low step down conversion ratio with improved power conversion efficiency. The power converter includes a first inductor to receive the input voltage, and a second inductor to supply the output voltage to a load. The first inductor and the second inductor are electromagnetically coupled to each other. The power converter further includes a first switch coupled between the first inductor and the second inductor. The first switch is switched according to a pulse having a frequency corresponding to a resonant frequency of (i) a series inductance between the first inductor and the second inductor and (ii) a parallel capacitance across the first switch. The power converter further includes a second switch coupled to the first switch and the second inductor to supply a reference voltage to the second inductor according to another pulse having the frequency.
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9.发明授权公开(公告)号：US10164441B2
公开(公告)日：2018-12-25
申请号：US14750847
申请日：2015-06-25
发明人： Zaki Moussaoui , Tony Allen
IPC分类号： H02J7/00
摘要： An apparatus for charging a plurality of series connected battery cells, includes a first and second input terminals for providing a charging voltage to the plurality of series connected battery cell. A transformer includes a primary side associated with the charging voltage and a secondary side includes a plurality of portions. Each of the plurality of portions is connected across at least one of the plurality of series connected battery cell. A switch in series between each of the plurality of portions of the secondary side and the at least one of the plurality of series connected battery cells increases an impedance between the portion of the secondary side and the associated one of the plurality of series connected battery cells in a first state and decreases the impedance between the portion of the secondary side and the associated one of the plurality of series connected battery cells in a second state.
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公开(公告)号：US10110127B2
公开(公告)日：2018-10-23
申请号：US15133463
申请日：2016-04-20
发明人： Daniel Chieng
摘要： On embodiment pertains to an apparatus including a control loop configured to receive an output voltage sense signal. The control loop includes a compensator; a PWM signal generator coupled to an output of the compensator; a reference circuit configured to receive a tracking signal, and which is configured to low bandwidth low pass filter the tracking signal when the tracking signal amplitude becomes substantially constant and representative of an output voltage that is substantially non-zero; and an error amplifier having a first input coupled to an output of the reference circuit, a second input configured to receive the output voltage sense signal, and an output coupled to the compensator.
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