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1. 发明公开

EP1168587A2 DC/DC converter circuit 有权
标题翻译： DC / DC转换器电路
公开(公告)号：EP1168587A2
公开(公告)日：2002-01-02
申请号：EP01114845.9
申请日：2001-06-28
申请人： TEXAS INSTRUMENTS DEUTSCHLAND GMBH
发明人： Bayer, Erich , Schmeller, Hans
IPC分类号： H02M3/00
CPC分类号： H02M3/073 , H02M2001/0032 , Y02B70/16
摘要： The invention relates to a DC/DC converter circuit including a voltage conversion circuit and a regulator circuit comprising a reference voltage generator circuit and a comparator which outputs a control signal for activating/deactivating the voltage conversion circuit as a function of the output load of the converter circuit. The converter circuit additionally comprises a circuit for signalling the regulator circuit ON/OFF comprising a comparator, at the first input of which a further voltage characterizing the output voltage and, at the second input of which a voltage at a capacitor is applied, and a control circuit comprising switches which during the ON time of the regulator circuit control the capacitor so that it is charged to a voltage which differs by a predetermined amount from the voltage characterizing the output voltage, and when it has attained the design value it signalling the regulator circuit OFF and separating the capacitor from the charging voltage, the comparator outputting a signal to the control circuit when the further voltage characterizing the output voltage and the voltage across the capacitor agree, resulting in the the regulator circuit being returned ON.
摘要翻译：本发明涉及一种包括电压转换电路和调节器电路的DC / DC转换器电路，所述调节器电路包括参考电压生成器电路和比较器，所述比较器根据所述电压转换电路的输出负载输出用于激活/去激活所述电压转换电路的控制信号转换器电路。转换器电路还包括用于向包括比较器的调节器电路发信号通知的电路，在比较器的第一输入端处具有表征输出电压的另一个电压，并且在第二输入端处施加电容器处的电压，以及控制电路包括开关，其在调节器电路的接通时间期间控制电容器，使得其被充电到与表征输出电压的电压相差预定量的电压，并且当其达到设计值时，其向调节器电路断开并且将电容器与充电电压分离，当表征输出电压和电容器两端电压的进一步电压一致时，比较器向控制电路输出信号，导致调节器电路返回ON。

2. 发明授权

EP1111763B1 DC/DC Converter and method of operating a DC/DC converter 有权
标题翻译： DC / DC转换器和一种操作DC / DC转换器的方法
公开(公告)号：EP1111763B1
公开(公告)日：2003-06-11
申请号：EP00127234.3
申请日：2000-12-15
申请人： TEXAS INSTRUMENTS DEUTSCHLAND GMBH
发明人： Bayer, Erich , Schmeller, Hans
IPC分类号： H02M3/00 , H02M3/07
CPC分类号： H02M3/073 , H02M1/146 , H02M2001/0025 , H02M2001/0032 , Y02B70/16

3. 发明公开

EP1073185A2 DC/DC converter 审中-公开
标题翻译： Gleichstrom / Gleichstrom Umwandler
公开(公告)号：EP1073185A2
公开(公告)日：2001-01-31
申请号：EP00115090.3
申请日：2000-07-27
申请人： TEXAS INSTRUMENTS DEUTSCHLAND GMBH
发明人： Bayer, Erich , Meindl, Christian , Schmeller, Hans
IPC分类号： H02M3/00
CPC分类号： H02M3/07 , H02M2001/0022
摘要： The invention relates to a DC/DC converter operating on the charge pump principle, regulated to a fixed, predetermined output voltage and comprising two charge pump capacitors switched in a switch matrix consisting of nine switches. A control circuit is provided capable of controlling the switches so that the charge pump is changed over between a charging phase and a discharge phase and which is capable of operating the charge pump in two modes having different voltage gain factors (1.5; 2). The regulator comprises furthermore a regulator circuit capable of setting when the charge pump is active in the charging phase in the first mode the ON resistance of a switch present in the charge path of the charge pump capacitors or in the second mode the ON resistances of two switches present each in one of the charging paths of the first or second charge pump capacitor so that the charging voltage presented to the charge pump capacitors in the charging phase assumes the minimum value possible for a specific input voltage of the converter, a measuring circuit capable of defining the voltage occurring at one of the charge pump capacitors at a defined point in time of the charging phase; and a comparator capable of comparing the measured voltage to a predetermined voltage and then when the former attains the latter, changing over the charge pump into the corresponding other mode, wherein the predetermined voltage is selected so that the efficiency of the converter is optimized and the charging condition of the charge pump capacitors is not altered on changeover.
摘要翻译：本发明涉及一种工作在电荷泵原理上的DC / DC转换器，其被调节到固定的预定输出电压，并且包括两个电荷泵电容器，其中开关矩阵由九个开关组成。提供了能够控制开关的控制电路，使得电荷泵在充电阶段和放电阶段之间切换，并且能够以具有不同电压增益因子（1.5; 2）的两种模式操作电荷泵。该调节器还包括调节器电路，其能够在第一模式中设定电荷泵在充电阶段何时有效的开关电流，该开关存在于电荷泵电容器的充电路径中的导通电阻，或者在第二模式中，导通电阻为开关呈现在第一或第二电荷泵电容器的充电路径中的一个中，使得在充电阶段中呈现给电荷泵电容器的充电电压取决于转换器的特定输入电压可能的最小值，测量电路能够在充电阶段的限定时间点定义在一个电荷泵电容器处发生的电压; 以及比较器，其能够将测量的电压与预定电压进行比较，然后当前者达到后者时，将电荷泵转换成相应的其它模式，其中选择预定电压使得转换器的效率被优化，电荷泵电容器的充电状态在切换时不会改变。

4. 发明授权

EP1067659B1 DC/DC converter 有权
标题翻译： DC / DC转换器
公开(公告)号：EP1067659B1
公开(公告)日：2003-05-02
申请号：EP00114050.8
申请日：2000-07-06
申请人： TEXAS INSTRUMENTS DEUTSCHLAND GMBH
发明人： Bayer, Erich , Schmeller, Hans
IPC分类号： H02M3/00 , H02M3/07
CPC分类号： H02M3/07 , H02M1/146

5. 发明公开

EP1073185A3 DC/DC converter 审中-公开
标题翻译： DC / DC转换器
公开(公告)号：EP1073185A3
公开(公告)日：2001-12-19
申请号：EP00115090.3
申请日：2000-07-27
申请人： TEXAS INSTRUMENTS DEUTSCHLAND GMBH
发明人： Bayer, Erich , Meindl, Christian , Schmeller, Hans
IPC分类号： H02M3/07
CPC分类号： H02M3/07 , H02M2001/0022
摘要： The invention relates to a DC/DC converter operating on the charge pump principle, regulated to a fixed, predetermined output voltage and comprising two charge pump capacitors switched in a switch matrix consisting of nine switches. A control circuit is provided capable of controlling the switches so that the charge pump is changed over between a charging phase and a discharge phase and which is capable of operating the charge pump in two modes having different voltage gain factors (1.5; 2). The regulator comprises furthermore a regulator circuit capable of setting when the charge pump is active in the charging phase in the first mode the ON resistance of a switch present in the charge path of the charge pump capacitors or in the second mode the ON resistances of two switches present each in one of the charging paths of the first or second charge pump capacitor so that the charging voltage presented to the charge pump capacitors in the charging phase assumes the minimum value possible for a specific input voltage of the converter, a measuring circuit capable of defining the voltage occurring at one of the charge pump capacitors at a defined point in time of the charging phase; and a comparator capable of comparing the measured voltage to a predetermined voltage and then when the former attains the latter, changing over the charge pump into the corresponding other mode, wherein the predetermined voltage is selected so that the efficiency of the converter is optimized and the charging condition of the charge pump capacitors is not altered on changeover.
摘要翻译：本发明涉及一种按照电荷泵原理操作的DC / DC转换器，其被调节到固定的预定输出电压，并且包括两个电荷泵电容器，其切换成由九个开关组成的开关矩阵。提供能够控制开关的控制电路，使得电荷泵在充电阶段和放电阶段之间转换，并且能够以具有不同电压增益因子（1.5; 2）的两种模式操作电荷泵。调节器还包括调节器电路，该调节器电路能够设置何时电荷泵在第一模式下的充电阶段中处于激活状态，存在于电荷泵电容器的充电路径中的开关的导通电阻，或者在第二模式中是两个导通电阻开关分别存在于第一或第二电荷泵电容器的充电路径之一中，使得在充电阶段呈现给充电泵电容器的充电电压对于转换器的特定输入电压呈现可能的最小值，测量电路在所述充电阶段的限定时间点处限定在所述充电泵电容器中的一个处出现的电压; 以及比较器，能够将测量的电压与预定电压进行比较，然后当前者获得后者时，将电荷泵转换为相应的其他模式，其中选择预定电压以使转换器的效率最优化并且充电泵电容器的充电状态在切换时不会改变。

6. 发明公开

EP1067659A2 DC/DC converter 有权
标题翻译： Gleichstrom / Gleichstrom Umwandler
公开(公告)号：EP1067659A2
公开(公告)日：2001-01-10
申请号：EP00114050.8
申请日：2000-07-06
申请人： TEXAS INSTRUMENTS DEUTSCHLAND GMBH
发明人： Bayer, Erich , Schmeller, Hans
IPC分类号： H02M3/00
CPC分类号： H02M3/07 , H02M1/146
摘要： The invention relates to a DC/DC converter operating on the principle of a charge pump, comprising at least one charge pump capacitor and several controllable switches connected thereto. The switches are actuated by a control circuit with an oscillator. A skip mode comparator signals the charge pump alternatingly ON and OFF depending on the condition of the output voltage of the converter. Prior art converters featured high output current spikes and a heavy output voltage ripple. The converter in accordance with the invention reduces these problems by a regulator circuit which receives the control signal of the comparator and converts it into a signal characterizing the momentary ON/OFF duration ratio of the charge pump with which it controls the ON resistance of at least one of the switches so that the ON/OFF duration ratio of the charge pump can be set to a predetermined design value, at which the output current spikes of the charge pump are reduced. Provided parallel to this switch is a further small switch whose ON resistance is not controlled to thus ensure a small idle current of the charge pump at a low load.
摘要翻译：本发明涉及一种以电荷泵原理工作的DC / DC转换器，其包括至少一个电荷泵电容器和连接到其上的几个可控开关。开关由具有振荡器的控制电路驱动。跳跃模式比较器根据转换器的输出电压的条件，交替地将电荷泵输入和关闭。现有技术的转换器具有高输出电流尖峰和大的输出电压纹波。根据本发明的转换器通过调节器电路来减少这些问题，调节器电路接收比较器的控制信号，并将其转换成表征电荷泵的瞬时ON / OFF持续时间比的信号，其至少控制电阻的导通电阻其中一个开关使得电荷泵的ON / OFF持续时间比可以被设置为预定的设计值，在该设定值下，电荷泵的输出电流尖峰减小。提供与该开关并联的是另一个小开关，其导通电阻不被控制，从而确保电荷泵在低负载下的小的空闲电流。

7. 发明授权

EP1065784B1 DC/DC converter 有权
标题翻译： DC / DC转换器
公开(公告)号：EP1065784B1
公开(公告)日：2008-11-26
申请号：EP00110949.5
申请日：2000-05-25
申请人： TEXAS INSTRUMENTS DEUTSCHLAND GMBH
发明人： Bayer, Erich , Schmeller, Hans
IPC分类号： H02M3/07
CPC分类号： H02M3/07 , H02M1/32 , H02M1/36

8. 发明公开

EP1168587A3 DC/DC converter circuit 有权
标题翻译： DC / DC开关电源
公开(公告)号：EP1168587A3
公开(公告)日：2002-09-18
申请号：EP01114845.9
申请日：2001-06-28
申请人： TEXAS INSTRUMENTS DEUTSCHLAND GMBH
发明人： Bayer, Erich , Schmeller, Hans
IPC分类号： H02M3/07 , H02M3/18
CPC分类号： H02M3/073 , H02M2001/0032 , Y02B70/16
摘要： The invention relates to a DC/DC converter circuit including a voltage conversion circuit and a regulator circuit comprising a reference voltage generator circuit and a comparator which outputs a control signal for activating/deactivating the voltage conversion circuit as a function of the output load of the converter circuit. The converter circuit additionally comprises a circuit for signalling the regulator circuit ON/OFF comprising a comparator, at the first input of which a further voltage characterizing the output voltage and, at the second input of which a voltage at a capacitor is applied, and a control circuit comprising switches which during the ON time of the regulator circuit control the capacitor so that it is charged to a voltage which differs by a predetermined amount from the voltage characterizing the output voltage, and when it has attained the design value it signalling the regulator circuit OFF and separating the capacitor from the charging voltage, the comparator outputting a signal to the control circuit when the further voltage characterizing the output voltage and the voltage across the capacitor agree, resulting in the the regulator circuit being returned ON.

9. 发明公开

EP1111763A2 DC/DC Converter and method of operating a DC/DC converter 有权
标题翻译： DC / DC转换器和一种操作DC / DC转换器的方法
公开(公告)号：EP1111763A2
公开(公告)日：2001-06-27
申请号：EP00127234.3
申请日：2000-12-15
申请人： TEXAS INSTRUMENTS DEUTSCHLAND GMBH
发明人： Bayer, Erich , Schmeller, Hans
IPC分类号： H02M3/00
CPC分类号： H02M3/073 , H02M1/146 , H02M2001/0025 , H02M2001/0032 , Y02B70/16
摘要： The invention relates to a DC/DC converter including a charge pump circuit comprising one or more capacitors and a plurality of controllable switches connected thereto, the controllable switches being controllable by a control circuit so that the capacitor(s) is/are alternatingly switched in a charging and discharge phase; a first current source set to a predetermined base current located either in the discharge or charging path of the charge pump circuit and a second current source connected in parallel thereto; and a regulator circuit for generating a first control signal representing the difference between a voltage characterizing the output voltage and a first reference voltage and controlling the second current source when the charge pump circuit is active so that the controllable current is reduced or increased with an increase and reduction respectively in the difference to track the voltage characterizing the output voltage in accordance with the first reference voltage; and for generating a second control signal guided to the control circuit, this signal assuming a first status when the voltage characterizing the output voltage exceeds a second reference voltage at a predetermined level above the first reference voltage, upon which the control circuit deactivates the charge pump circuit, and assumes a second status when the voltage characterizing the output voltage drops below the second reference voltage, upon which the control circuit activates the charge pump circuit. The invention relates further to a method of operating a DC/DC converter.
摘要翻译：本发明涉及的DC / DC转换器包括电荷泵电路，包括一个或多个电容器和与其连接的可控开关的复数，可控开关由控制电路是可控的，从而做了电容器（多个）/交替在切换的充电和放电阶段; 第一电流源设置为位于任一在放电或充电的电荷泵电路和与其并联连接的第二电流源的路径的预定的基极电流; 和用于当电荷泵电路是有源生成表示表征所述输出电压和第一参考电压之间的差的第一控制信号以及控制所述第二电流源的调节器电路，以便做了可控电流减小或增加增加和减少分别在差分跟踪电压表征在与第一参考电压雅舞蹈的输出电压; 和用于产生引导到所述控制电路的第二控制信号，该信号假设一个第一状态，当表征所述输出电压的电压在所述第一参考电压高于预定电平，在其控制电路去激活所述电荷泵超过第二参考电压电路，和一个第二übernimmt状态时表征所述输出电压的电压下降到第二基准电压，在其上控制电路的激活电荷泵电路的下方。本发明进一步涉及到一种操作DC / DC转换器的方法。

10. 发明授权

EP1168587B1 DC/DC converter circuit 有权
标题翻译： DC / DC开关电源
公开(公告)号：EP1168587B1
公开(公告)日：2004-12-15
申请号：EP01114845.9
申请日：2001-06-28
申请人： TEXAS INSTRUMENTS DEUTSCHLAND GMBH
发明人： Bayer, Erich , Schmeller, Hans
IPC分类号： H02M3/07 , H02M3/18
CPC分类号： H02M3/073 , H02M2001/0032 , Y02B70/16

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