公开(公告)号：US20020073347A1

公开(公告)日：2002-06-13

申请号：US09982132

申请日：2001-10-16

Applicant: STMicroelectronics S.r.I.

Inventor： Alessandro Zafarana ,  Claudia Castelli

IPC: G06F001/26

CPC classification number: G06F1/26 ,  Y10T307/505 ,  Y10T307/555

Abstract: A managing system manages a plurality of VRMs associated with a plurality of microprocessors and connected in parallel together between first and second voltage references, the VRMs having output terminals connected together and arranged to communicate over a common bus. The managing system includes an error amplifier being input an output voltage signal from the VRM plurality, a reference voltage, and a droop voltage produced through an equivalent droop resistor receiving an output current signal from the VRM plurality and being connected to the common bus. The error amplifier effects a comparison of the input signals to generate a control voltage signal to the VRM plurality. Advantageously, the managing system comprises a controller connected to the equivalent droop resistor.

Abstract translation: 管理系统管理与多个微处理器相关联并且在第一和第二电压基准之间并联连接的多个VRM，所述VRM具有连接在一起的输出端子并被布置成通过公共总线进行通信。 管理系统包括误差放大器，其输入来自VRM多个的输出电压信号，参考电压以及通过从VRM多路复用并连接到公共总线的等效下降电阻产生的下降电压。 误差放大器对输入信号进行比较，以产生对VRM多个的控制电压信号。 有利地，管理系统包括连接到等效下降电阻器的控制器。

公开(公告)号：US20020047694A1

公开(公告)日：2002-04-25

申请号：US09955735

申请日：2001-09-18

Applicant: STMicroelectronics S.r.I.

Inventor： Alessandro Zafarana ,  Claudia Castelli

IPC: G05F001/40

CPC classification number: H02M3/1584 ,  H02M2001/0009

Abstract: A voltage/current controller device, particularly for interleaving switching regulators, comprises: a DC/DC converter having a plurality of modules, with each module including a drive transistor pair connected in series between first and second supply voltage references, a current sensor connected to one transistor in the pair, and a current read circuit connected to the sensor. Advantageously, the read circuit comprises a transconductance amplifier connected across the current sensor to sense a voltage signal related to a load current being applied to each module, the transconductance amplifier reading the voltage signal with the transistor in the conducting state.

Abstract translation: 电压/电流控制器装置，特别是用于交错开关稳压器的电压/电流控制器装置包括：具有多个模块的DC / DC转换器，每个模块包括串联连接在第一和第二电源电压基准之间的驱动晶体管对，连接到 该对中的一个晶体管和连接到传感器的电流读取电路。 有利地，读取电路包括跨过电流传感器连接的跨导放大器，以感测与施加到每个模块的负载电流相关的电压信号，跨导放大器在晶体管处于导通状态下读取电压信号。

公开(公告)号：US20030034766A1

公开(公告)日：2003-02-20

申请号：US10197237

申请日：2002-07-15

Applicant: STMicroelectronics S.r.I.

Inventor： Alessandro Zafarana ,  Claudia Castelli

IPC: G05F001/618

CPC classification number: H02M3/1584 ,  H02M2001/0009

Abstract: A voltage/current controller device, particularly for interleaving switching regulators, comprises: a DC/DC converter having a plurality of modules, with each module including a drive transistor pair connected in series between first and second supply voltage references, a current sensor connected to one transistor in the pair, and a current read circuit connected to the sensor. Advantageously, the read circuit comprises a transconductance amplifier connected across the current sensor to sense a voltage signal related to a load current being applied to each module, the transconductance amplifier reading the voltage signal with the transistor in the conducting state.