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1. 发明授权

US06891708B2 Reduced current and power consumption structure of drive circuit 失效
标题翻译：降低驱动电路的电流和功耗结构
公开(公告)号：US06891708B2
公开(公告)日：2005-05-10
申请号：US09944118
申请日：2001-09-04
申请人： Takaharu Hutamura , Shoichi Okuda
发明人： Takaharu Hutamura , Shoichi Okuda
IPC分类号： H02M1/00 , H02M1/08 , H03K17/00 , H03K17/04 , H03K17/66 , H03K17/687 , H03K19/0175 , H02H3/20
CPC分类号： H02M1/08 , H03K17/666 , H03K17/6877 , H03K2217/0036 , Y10T307/858
摘要： A drive circuit for driving a switching element is provided which includes a high-side switching circuit connected between power supply lines, a low-side switching circuit connected in series with the high-side switching circuit through an output terminal leading to the switching element, and a voltage detector detecting a voltage appearing at the output terminal. When the voltage detected by the voltage detector is lower than a given off-decision voltage, that is, when the switching element is placed in the off-state, the low-side switching circuit is brought into the off-state, thereby reducing the current consumption thereof.
摘要翻译：提供一种用于驱动开关元件的驱动电路，其包括连接在电源线之间的高侧开关电路，通过通向开关元件的输出端与高侧开关电路串联连接的低侧开关电路，以及电压检测器，检测出现在输出端的电压。当由电压检测器检测到的电压低于给定的断开电压时，即当开关元件处于截止状态时，低侧开关电路进入截止状态，从而减少电流消耗。

2. 发明授权

US07049879B2 Power supply circuit with control of rise characteristics of output voltage 有权
标题翻译：电源电路可控制输出电压的上升特性
公开(公告)号：US07049879B2
公开(公告)日：2006-05-23
申请号：US10617297
申请日：2003-07-11
申请人： Nobuyoshi Osamura , Takaharu Hutamura , Hiroyuki Ban
发明人： Nobuyoshi Osamura , Takaharu Hutamura , Hiroyuki Ban
IPC分类号： H03K17/56
CPC分类号： G05F1/575
摘要： In a power supply circuit, a main transistor, which transmits power from an input terminal to an output terminal, is controlled so that a detected voltage from an input voltage is consistent with a reference voltage indicating a target voltage. An output current is detected and a limited value of the output current is set so that the limited value increases gradually when the output voltage rises up to the target voltage. The main transistor is controlled so that the output current keeps a value less than or equal to the limited value. This configuration is able to suppress an overshoot of the output voltage, thanks to a gradually raised control of the limited value. Additionally, to avoid the influence of a ringing component of the input voltage, a delay control circuit to give a delay to the start of rise of the output voltage can be provided.
摘要翻译：在电源电路中，控制从输入端子向输出端子发送电力的主晶体管，使得来自输入电压的检测电压与表示目标电压的基准电压一致。检测输出电流，并设定输出电流的有限值，使得当输出电压上升到目标电压时，限制值逐渐增加。主晶体管被控制，使得输出电流保持小于或等于限制值的值。这种配置能够抑制输出电压的过冲，这是由于限制值的逐渐增加的控制。此外，为了避免输入电压的振铃分量的影响，可以提供延迟控制电路，以给出输出电压的上升开始的延迟。

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