公开(公告)号：EP1017172A1

公开(公告)日：2000-07-05

申请号：EP98830792.2

申请日：1998-12-29

Applicant: STMicroelectronics S.r.l.

Inventor： Ribellino, Calogero ,  Milazzo, Patrizia ,  Pulvirenti, Francesco

IPC: H03K4/02 ,  H03K17/16

CPC classification number: H03K17/163 ,  H03K4/023

Abstract: Integrated circuit (20, 80, 90) generating at least a voltage linear ramp having a slow rise of the type comprising an input terminal (21, 81, 91), connected to a first voltage reference (VREF) and an output terminal (24, 84, 94) adapted for providing a controlled ramp signal (V RAMP ), the circuit comprising at least one operational amplifier (OP3) having a non-inverting input terminal connected to said input terminal (21, 81, 91) and to an output terminal in feedback on an inverting input terminal and connected to the output terminal (24, 84, 94) of the ramp generator circuit (20, 80, 90) itself.
The ramp voltage generator (20, 80, 90) according to the invention further comprises a first storage capacitance (Cs) connected between the non-inverting input terminal of the operational amplifier (OP3) and a ground voltage reference (GND) and loaded by means of a second pumping capacitance (Cp) inserted in parallel to said first capacitance (Cs) between the input terminal (21, 81, 91) of the ramp generator circuit (20, 80, 90) and the ground voltage reference (GND).

Abstract translation: 集成电路（20，80，90）至少产生具有包括输入端子（21，81，91）的连接到第一参考电压（VREF）的类型的缓慢上升的电压线性斜坡和输出端子（24 （84，94）用于angepasst提供受控斜坡信号VRAMP），所述电路包括至少一个运算放大器（OP3），其具有连接到所述输入端子（21，81，91的非反相输入端子），并向输出 终端反馈到反相输入端和连接到斜坡发生器电路（20，80，90）本身的输出端（24，84，94）。 斜坡电压发生器（20，80，90）雅丁到本发明还包括连接在所述运算放大器（OP3）的非反相输入端之间的第一存储电容（Cs）等的接地参考电压（GND），并加载由 斜坡发生器电路（20，80，90）与接地电压参考的输入端（21，81，91）之间插入在平行于所述第一电容（Cs）的第二泵浦电容（CP）的装置（GND） ，

公开(公告)号：EP0999644A1

公开(公告)日：2000-05-10

申请号：EP98830653.6

申请日：1998-10-28

Applicant: STMicroelectronics S.r.l.

Inventor： Ribellino, Calogero ,  Milazzo, Patrizia

IPC: H03K19/0185

CPC classification number: H03K19/018521

Abstract: The invention relates to a level shifter electronic device with very low consumption of current, of the type supplied between a first voltage reference (VOUT) of power supply and a second voltage reference (GND) and comprising a circuital portion (2) with differential cell having an output terminal (OUT) and at least a first (4) and a second (5) input terminal, on the output terminal a signal translated in level with respect to the signal present on one (4) of said input terminals, being drawn. The device further comprises an additional circuital portion (3) connected to a node (A) of the differential cell and comprising at least a pull-down component (9) inserted between said node and the second voltage reference (GND). The pull-down component (9) is a MOS transistor (M6) having the conduction terminals connected between said node (A) and the second voltage reference (GND) and the gate terminal connected to the first voltage reference (VOUT) of power supply by means of a series of transistors.

Abstract translation: 本发明涉及一种在电源的第一电压基准（VOUT）和第二电压基准（GND）之间提供的类型的电流消耗非常低的电平移位器电子装置，并且包括具有差分电池的电路部分（2） 具有输出端子（OUT）和至少第一（4）和第二（5）输入端子，在输出端子上相对于存在于一个（4）所述输入端子上的信号平移的信号为 画。 该装置还包括连接到差分单元的节点（A）的附加电路部分（3），并且至少包括插入在所述节点和第二参考电压（GND）之间的下拉组件（9）。 下拉元件（9）是具有连接在所述节点（A）和第二电压基准（GND）之间的导通端子的MOS晶体管（M6），并且连接到电源的第一电压基准（VOUT）的栅极端子 通过一系列晶体管。

公开(公告)号：EP0881770A1

公开(公告)日：1998-12-02

申请号：EP97830258.6

申请日：1997-05-30

Applicant: STMicroelectronics S.r.l.

Inventor： Pulvirenti, Francesco ,  Milazzo, Patrizia

IPC: H03K17/16 ,  H02J7/10

CPC classification number: H02J7/0052 ,  H03K4/00 ,  H03K17/163

Abstract: A battery-charging electronic device comprises a current generator (2) adapted to supply a charging current to a battery (3) and a controlled current edge switch having a circuit (1) for controlling the switching edges of current (I O ) being flowed through a power transistor (PW).
The switching edge control circuit (1) comprises:

a controlled edge variable voltage generator for generating a controlled edge voltage signal (VA);
a voltage/current converter (11) for converting the voltage signal (VA) to a controlled edge current signal (I R );
a driver circuit (12) for the power transistor (PW) being input the controlled edge current signal (I R ) to mirror, onto the power transistor (PW), an output current (I O ) which is proportional to the controlled edge current signal (I R ).

Abstract translation: 电池充电电子设备包括适于向电池（3）提供充电电流的电流发生器（2）和具有用于控制电流（IO）的开关边缘流过的电路（1）的受控电流边缘开关） 功率晶体管（PW）。 开关边缘控制电路（1）包括：用于产生受控边沿电压信号（VA）的受控边缘可变电压发生器; 用于将电压信号（VA）转换为受控边沿电流信号（IR）的电压/电流转换器（11）; 用于功率晶体管（PW）的驱动器电路（12）将受控边沿电流信号（IR）输入到功率晶体管（PW）上以反映与受控边沿电流信号成比例的输出电流（IO） IR）。

公开(公告)号：EP1691580A1

公开(公告)日：2006-08-16

申请号：EP05425065.9

申请日：2005-02-11

Applicant: STMicroelectronics S.r.l.

Inventor： Ragonesi, Gianluca ,  Milazzo, Patrizia ,  Musumeci, Salvatore ,  Platania, Giuseppe

IPC: H05B33/08

CPC classification number: H05B33/0818 ,  H05B33/0815

Abstract: Herein described is a supply device of at least two circuit branches (10, 20), each of said at least two circuit branches (10, 20) comprising at least one LED diode (30). The device comprises means (1) suitable for imposing the electric supply (Vout) of said at least two circuit branches (10, 20) and said means comprise at least one variable resistance (R2). The device comprises control means (3) coupled to said at least two circuit branches (10, 20) and suitable for varying said resistance (R2) in reply to a variation of the current (110, 120) that flows in one of said at least two circuit branches (10, 20) to vary the electric supply of said at least two circuit branches.

Abstract translation: 这里描述了至少两个电路分支（10,20）的供电装置，所述至少两个电路分支（10,20）中的每一个包括至少一个LED二极管（30）。 该装置包括适于施加所述至少两个电路分支（10,20）的电源（Vout）的装置（1），并且所述装置包括至少一个可变电阻（R2）。 所述装置包括耦合到所述至少两个电路支路（10,20）的控制装置（3），并且适合于响应于在所述至少两个电路支路（10,20）之一中流动的电流（110,120）的变化而改变所述电阻（R2） 至少两个电路分支（10,20），以改变所述至少两个电路分支的电力供应。

公开(公告)号：EP0881770B1

公开(公告)日：2004-03-17

申请号：EP97830258.6

申请日：1997-05-30

Applicant: STMicroelectronics S.r.l.

Inventor： Pulvirenti, Francesco ,  Milazzo, Patrizia

IPC: H03K17/16 ,  H02J7/10

CPC classification number: H02J7/0052 ,  H03K4/00 ,  H03K17/163

公开(公告)号：EP1017172B1

公开(公告)日：2002-10-23

申请号：EP98830792.2

申请日：1998-12-29

Applicant: STMicroelectronics S.r.l.

Inventor： Ribellino, Calogero ,  Milazzo, Patrizia ,  Pulvirenti, Francesco

IPC: H03K4/02 ,  H03K17/16

CPC classification number: H03K17/163 ,  H03K4/023

公开(公告)号：EP0892332A1

公开(公告)日：1999-01-20

申请号：EP97830348.5

申请日：1997-07-14

Applicant: STMicroelectronics S.r.l.

Inventor： Pulvirenti, Francesco ,  Milazzo, Patrizia

IPC: G05F1/565

CPC classification number: G05F1/565

Abstract: A linear type of voltage regulator, having at least one input terminal (VBAT) adapted to receive a supply voltage and one output terminal (VOUT) adapted to deliver a regulated output voltage, comprises a power transistor (M1) and a driver circuit for the transistor; the driver circuit comprises essentially an operational amplifier (OP1) having an input differential stage biased by a bias current which varies proportionally with the variations of the regulated output voltage at the output terminal (VOUT) of the regulator.

Abstract translation: 线性型电压调节器的，具有至少一个输入端（V BAT）angepasst到接收电源电压和一个输出端（VOUT）angepasst提供经调节的输出电压，包括功率晶体管（M1）和用于驱动电路 晶体管; 驱动电路基本上包括具有由一个偏置电流，其与调节的输出电压的在调节器的输出端（VOUT）的变化成比例地变化偏置输入差动级运算放大器（OP1）。