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公开(公告)号：US20090003018A1
公开(公告)日：2009-01-01
申请号：US11872270
申请日：2007-10-15
CPC分类号： H02M3/3378
摘要： A direct current to direct current (DC/DC) converter control systems and related methods are disclosed. An exemplary embodiment provides a control circuit configured to modulate the duty cycles of a first switching device and a second switching device, and is further configured to compensate for a voltage drift at a monitoring node by varying the modulation for at least one of the switching devices.
摘要翻译： 公开了直流直流（DC / DC）转换器控制系统和相关方法。 示例性实施例提供了一种配置成调制第一开关器件和第二开关器件的占空比的控制电路，并且还被配置为通过改变至少一个开关器件的调制来补偿监测节点处的电压漂移 。
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公开(公告)号：US5437040A
公开(公告)日：1995-07-25
申请号：US190229
申请日：1994-01-31
IPC分类号： G01R19/165 , G01R21/133 , G01R31/40 , G06F1/28 , G06F11/32 , G08B21/00 , G06F11/00
CPC分类号： G01R31/40 , G06F1/28 , G06F11/326 , G01R19/16538 , G01R21/133 , Y10T307/336
摘要： A digital electronics system, such as a computer, includes circuits which provides signals proportional to the instantaneous voltage and current on the power bus to a microprocessor. The microprocessor uses these signals, the capacitance of the system filter capacitors, and the desired time for the system voltage to remain above a minimum voltage, to calculate an instantaneous voltage threshold. When the power bus voltage falls below this threshold voltage, the microprocessor provides a signal warning of impending power failure. The product of the voltage and current, i.e. the instantaneous system power, is displayed on an alphanumeric LED on the front panel of the computer.
摘要翻译： 诸如计算机的数字电子系统包括提供与电力总线上的瞬时电压和电流成比例的信号到微处理器的电路。 微处理器使用这些信号，系统滤波电容器的电容以及系统电压的期望时间保持在最小电压以上，以计算瞬时电压阈值。 当电源总线电压低于该阈值电压时，微处理器提供即将发生电源故障的信号警告。 电压和电流即瞬时系统功率的乘积显示在计算机前面板上的字母数字LED上。
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公开(公告)号：US6101111A
公开(公告)日：2000-08-08
申请号：US408718
申请日：1999-09-29
申请人： Barry O. Blair
发明人： Barry O. Blair
IPC分类号： H02M3/335
CPC分类号： H02M3/33507
摘要： In a flyback converter receiving a high voltage DC input for generating a low voltage output, a power control circuit includes a peak current mode controller having as an input, the flyback converter output. The controller generates a feedback signal to the flyback converter for controlling the switching frequency of switches present in the flyback converter. The peak current controller includes a clock circuit. Circuitry monitors the high voltage DC input. The monitoring circuit generates a control signal which is applied to the controller clock circuit for controlling the switching frequency of the flyback converter to thereby control output power levels.
摘要翻译： 在接收用于产生低电压输出的高压DC输入的反激式转换器中，功率控制电路包括具有作为输入的反激式转换器输出的峰值电流模式控制器。 控制器产生反激转换器的反馈信号，以控制回扫转换器中存在的开关的开关频率。 峰值电流控制器包括时钟电路。 电路监控高压直流输入。 监视电路产生控制信号，该控制信号被施加到控制器时钟电路，用于控制反激转换器的开关频率，从而控制输出功率电平。
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4.发明授权Multiple output converter having a low power dissipation cross regulation compensation circuit 失效具有低功耗交叉调节补偿电路的多输出转换器公开(公告)号：US06211579B1
公开(公告)日：2001-04-03
申请号：US09408728
申请日：1999-09-29
申请人： Barry O. Blair
发明人： Barry O. Blair
IPC分类号： H02J100
CPC分类号： H02M3/33561 , Y10T307/305 , Y10T307/352 , Y10T307/383 , Y10T307/675
摘要： A compensation circuit for a DC—DC converter having a low voltage output line and a plurality of high voltage output lines applied to a plurality of loads includes an adjustable impedance source connected to the low voltage output line. The impedance source generates a feedback control signal to the DC—DC converter used to control the transformer duty cycle. A sensing circuit is connected to the plurality of high voltage output lines for generating a control signal which represents variations in the output voltages of the high voltage output lines. The control signal is applied to the impedance source to thereby regulate the feedback control signal which in turn provides regulation for the high voltage output lines.
摘要翻译： 具有施加到多个负载的低电压输出线和多个高压输出线的DC-DC转换器的补偿电路包括连接到低电压输出线的可调阻抗源。 阻抗源产生一个反馈控制信号到DC-DC转换器，用于控制变压器占空比。 感测电路连接到多个高压输出线，用于产生表示高压输出线的输出电压变化的控制信号。 控制信号被施加到阻抗源，从而调节反馈控制信号，反馈控制信号又为高电压输出线提供调节。
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