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11.发明授权公开(公告)号：US11522363B2
公开(公告)日：2022-12-06
申请号：US16555220
申请日：2019-08-29
Applicant: STMicroelectronics S.r.l.
Inventor： Manuela La Rosa , Giovanni Sicurella , Giuseppe Meola
Abstract: An input node is configured to receive a supply signal which may be of a first polarity or a second polarity opposite the first polarity. A high input current circuit couples the input node to an output node through at least one power transistor having a control electrode. A low input current circuit couples a supply current from the input node to control circuit configured to control the power transistor. A circuit is provided to detect polarity reversal with respect to the supply signal. A protection circuit for the low input current circuit operates to decouple the control circuit from the input node if the supply signal has the second polarity. A protection circuit for the high input current circuit operates to short-circuit the control electrode of the power transistor to the current path provided by the power transistor between the input node and the output node.
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Patent Agency Ranking
公开(公告)号：US11101813B2
公开(公告)日：2021-08-24
申请号：US16993608
申请日：2020-08-14
Applicant: STMicroelectronics S.r.l.
Inventor： Giovanni Sicurella , Manuela La Rosa
Abstract: A multiple-input analog-to-digital converter device includes analog-to-digital converter circuits arranged between input nodes and output nodes. The analog-to-digital converter circuits operate over respective conversion times to provide simultaneous conversion of the analog input signals into respective conversion time signals. A time-to-digital converter circuit includes timer circuitry common to the plurality of analog-to-digital converter circuits. The timer circuitry cooperates with the analog-to-digital converter circuits to convert the conversion time signals into digital output signals at the output nodes.
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公开(公告)号：US20210050787A1
公开(公告)日：2021-02-18
申请号：US16988379
申请日：2020-08-07
Applicant: STMicroelectronics S.r.l.
Inventor： Manuela La Rosa , Giovanni Sicurella
Abstract: A control circuit and method, wherein an error signal is generated representative of a difference between an output voltage of a switching circuit and a nominal signal; a single control signal is generated, representative of an average error of the error signal; the single control signal is compared with a first periodic reference signal and a second periodic reference signal; a first pulse width modulated signal is generated by a Buck modulator; and a second pulse width modulated signal is generated by a Boost modulator. The maximum value of the first periodic reference signal and the minimum value of the second periodic reference signal are higher and lower, respectively, than the single control signal in a transient control mode between a Buck control mode and a Boost control mode.
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公开(公告)号：US10713446B2
公开(公告)日：2020-07-14
申请号：US16274987
申请日：2019-02-13
Applicant: STMicroelectronics S.r.l.
Inventor： Giovanni Sicurella , Manuela La Rosa
IPC: G01R21/127 , G06G7/161
Abstract: A voltage-to-time converter circuit receives a first voltage signal and produces a PWM-modulated signal having a duty-cycle proportional to the first voltage signal. A current integrator circuit receives the PWM-modulated signal from the voltage-to-time converter circuit block and produces an output signal by integrating a current signal from a current source over integration time intervals having a duration which is a function of the duty-cycle of the PWM-modulated signal. The current signal is proportional to a second voltage signal. The output signal is accordingly proportional to a product of the first voltage signal and the current signal, which is furthermore proportional to a product of the first voltage signal and the second voltage signal.
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公开(公告)号：US20170085178A1
公开(公告)日：2017-03-23
申请号：US15157554
申请日：2016-05-18
Applicant: STMicroelectronics S.r.l.
Inventor： Manuela Larosa , Giovanni Sicurella , Giuseppe Platania
IPC: H02M3/158
CPC classification number: H02M3/158 , H02M3/156 , H02M2001/0025
Abstract: A boost-type converter circuit includes a pair of converter switches that are alternatively switchable on and off. An inductor is coupled to the intermediate point between the converter switches. A driver module controls switching on and off of the converter switches in respond to a comparator output signal. A reference signal line provides to the comparator a reference signal, and an output feedback line provides to the comparator an output feedback signal. These signals are compared to each other to generate the comparator output signal for controlling the driver module. A low-pass filter network is coupled to the inductor and configured to provide a ripple current which is a low-pass filtered replica of the current through the inductor. An injector circuit injects the ripple current into the reference signal line coupled to the comparator.
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公开(公告)号：US08984953B2
公开(公告)日：2015-03-24
申请号：US13859032
申请日：2013-04-09
Applicant: STMicroelectronics S.R.L
Inventor： Manuela Larosa , Giovanni Sicurella
CPC classification number: G01L9/0098 , G01L9/0054 , G01L9/04 , G01L9/06 , H01L29/66007
Abstract: A solid state sensor to sense pressure includes a semiconductor substrate having a crystallographic design axis, and an odd number of identical inverter modules coupled in series to form a ring oscillator on the semiconductor substrate. Each inverter module includes a pair of structurally identical CMOS inverter stages. A logic input circuit starts oscillation of the ring oscillator and select a signal propagation path therein, either through CMOS inverter stage more affected by the induced mechanical stress or through CMOS inverter stages less affected by the pressure, using two logic command signals. The ring oscillator allows a reading of a frequency of oscillation based on the two logic command signals.
Abstract translation: 用于感测压力的固态传感器包括具有晶体设计轴的半导体衬底和串联耦合以在半导体衬底上形成环形振荡器的奇数个相同的反相器模块。 每个逆变器模块包括一对结构相同的CMOS反相器级。 逻辑输入电路开始环形振荡器的振荡，并选择其中的信号传播路径，无论是通过受到机械应力影响较大的CMOS反相器级，或者通过两个逻辑指令信号，受到压力影响较小的CMOS反相器级。 环形振荡器允许基于两个逻辑命令信号读取振荡频率。
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