公开(公告)号：US20090267583A1

公开(公告)日：2009-10-29

申请号：US12230959

申请日：2008-09-09

Applicant: Te-Hsien Hsu ,  Yun-Kang Chu

Inventor： Te-Hsien Hsu ,  Yun-Kang Chu

IPC: G05F1/10

CPC classification number: H02M3/33507

Abstract: A switching power supply apparatus with current output limit, which utilizes a voltage sampling controller for sampling the feedback voltage to acquire a knee voltage. Moreover, the knee voltage is computed by the square-root operation and error elimination operation respectively. According to the result of the computing, the switching of the power switch is controlled so as to stabilize the output voltage and limit the output current.

Abstract translation: 具有电流输出限制的开关电源装置，其利用电压采样控制器对反馈电压进行采样以获得拐点电压。 此外，分别通过平方根运算和误差消除运算来计算拐点电压。 根据计算结果，控制电源开关的切换，以稳定输出电压并限制输出电流。

公开(公告)号：US20090168464A1

公开(公告)日：2009-07-02

申请号：US12155353

申请日：2008-06-03

Applicant: Chun-Ming Lin ,  Ta-Ching Hsu ,  Yun-Kang Chu

Inventor： Chun-Ming Lin ,  Ta-Ching Hsu ,  Yun-Kang Chu

IPC: H02M3/335

CPC classification number: H02M3/33592 ,  Y02B70/1475

Abstract: A synchronous rectifier control device comprises a status detecting unit, an analog circuit, a first counter, a second counter and a signal process unit. The status detecting unit receives at least one reference signal and a detecting signal to generate a first synchronous control signal. The analog circuit generates a delay signal in accordance with the first synchronous control signal. The first counter receives a clock signal and generates a first counter signal in accordance with the first synchronous control signal, the clock signal, and the delay signal. The second counter receives the clock signal and generates a second counter signal in accordance with the first synchronous control signal, the clock signal, and the first counter signal. The signal process unit generates a second synchronous control signal in accordance with the first synchronous control signal and the second signal.

Abstract translation: 同步整流器控制装置包括状态检测单元，模拟电路，第一计数器，第二计数器和信号处理单元。 状态检测单元接收至少一个参考信号和检测信号以产生第一同步控制信号。 模拟电路根据第一同步控制信号产生延迟信号。 第一计数器接收时钟信号，并根据第一同步控制信号，时钟信号和延迟信号产生第一计数器信号。 第二计数器接收时钟信号，并根据第一同步控制信号，时钟信号和第一计数器信号产生第二计数器信号。 信号处理单元根据第一同步控制信号和第二信号产生第二同步控制信号。

公开(公告)号：US07952894B2

公开(公告)日：2011-05-31

申请号：US12155353

申请日：2008-06-03

Applicant: Chun-Ming Lin ,  Ta-Ching Hsu ,  Yun-Kang Chu

Inventor： Chun-Ming Lin ,  Ta-Ching Hsu ,  Yun-Kang Chu

IPC: H02M3/335 ,  H02M7/217

CPC classification number: H02M3/33592 ,  Y02B70/1475

Abstract: A synchronous rectifier control device comprises a status detecting unit, an analog circuit, a first counter, a second counter and a signal process unit. The status detecting unit receives at least one reference signal and a detecting signal to generate a first synchronous control signal. The analog circuit generates a delay signal in accordance with the first synchronous control signal. The first counter receives a clock signal and generates a first counter signal in accordance with the first synchronous control signal, the clock signal, and the delay signal. The second counter receives the clock signal and generates a second counter signal in accordance with the first synchronous control signal, the clock signal, and the first counter signal. The signal process unit generates a second synchronous control signal in accordance with the first synchronous control signal and the second signal.

Abstract translation: 同步整流器控制装置包括状态检测单元，模拟电路，第一计数器，第二计数器和信号处理单元。 状态检测单元接收至少一个参考信号和检测信号以产生第一同步控制信号。 模拟电路根据第一同步控制信号产生延迟信号。 第一计数器接收时钟信号，并根据第一同步控制信号，时钟信号和延迟信号产生第一计数器信号。 第二计数器接收时钟信号，并根据第一同步控制信号，时钟信号和第一计数器信号产生第二计数器信号。 信号处理单元根据第一同步控制信号和第二信号产生第二同步控制信号。