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公开(公告)号：US20240235546A1
公开(公告)日：2024-07-11
申请号：US18409083
申请日：2024-01-10
Applicant: STMicroelectronics International N.V.
Inventor： Riccardo CONDORELLI , Antonino MONDELLO , Michele Alessandro CARRANO , Daniele MANGANO , Fabien LAPLACE , Luc GARCIA , Michel CUENCA
Abstract: A resettable digital stage operates when a supply voltage is higher than a threshold. A non-volatile memory stores a digital code read by a reading stage. A main power-on reset circuit generates a main reset signal controlling reset of the reading stage. A resettable volatile memory coupled to the reading stage stores a default value when reset. An auxiliary power-on reset circuit generates an auxiliary reset signal controlling reset of the volatile memory. Upon deactivation of the reset, the reading stage loads the digital code into the volatile memory. The main power-on reset circuit functions in a non-trimmed configuration response to the stored default value and in a trimmed configuration responsive to the stored digital code. The main power-on reset circuit has first and second operative thresholds which respectively fall within a first and second non-trimmed voltage range or within a first and second trimmed voltage range.
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公开(公告)号：US20240333145A1
公开(公告)日：2024-10-03
申请号：US18606907
申请日：2024-03-15
Applicant: STMicroelectronics International N.V.
Inventor： Alexandre MEILLEREUX , Bruno GAILHARD , Luc GARCIA
CPC classification number: H02M3/07 , H02M1/0045 , H02M3/158
Abstract: The present disclosure relates to a regulator including a first transistor coupling an application node of a first power supply voltage to an output node of the regulator supplying a first regulated voltage; a feedback loop supplying a control signal to the first transistor and comprising a first charge pump circuit; a control signal generator of the first charge pump circuit; and a drop-down circuit between the control signal generator and the charge pump circuit.
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