公开(公告)号：US20080150503A1

公开(公告)日：2008-06-26

申请号：US11614928

申请日：2006-12-21

申请人： Ta-Yung Yang ,  Feng-Cheng Tsao ,  Chuh-Ching Li ,  Jesse R. Wang

发明人： Ta-Yung Yang ,  Feng-Cheng Tsao ,  Chuh-Ching Li ,  Jesse R. Wang

IPC分类号： G05F1/56 ,  H03K17/687

CPC分类号： H03K17/6871 ,  H02M1/08 ,  H02M3/335 ,  H03K17/08122 ,  H03K17/162 ,  H03K17/22

摘要： A transistor drive circuit of a power converter is developed for operating in wide voltage range. It includes an N-type high-side transistor, a P-type high-side transistor and an N-type low-side transistor. A voltage clamp device is connected to the gate of the N-type high-side transistor to limit the maximum output voltage. A detection circuit is coupled to detect the supply voltage of the transistor drive circuit to generate a disable signal in response to the voltage level of the supply voltage. The disable signal is coupled to disable the P-type high-side transistor once the voltage level of the supply voltage is higher than a threshold voltage.

摘要翻译： 开发了功率转换器的晶体管驱动电路，用于在宽电压范围内工作。 它包括N型高边晶体管，P型高边晶体管和N型低边晶体管。 电压钳位装置连接到N型高侧晶体管的栅极以限制最大输出电压。 耦合检测电路以检测晶体管驱动电路的电源电压以响应于电源电压的电压电平而产生禁用信号。 一旦电源电压的电压电平高于阈值电压，禁止信号被耦合以禁用P型高侧晶体管。

公开(公告)号：US07471121B2

公开(公告)日：2008-12-30

申请号：US11614928

申请日：2006-12-21

申请人： Ta-Yung Yang ,  Feng-Cheng Tsao ,  Chuh-Ching Li ,  Jesse R. Wang

发明人： Ta-Yung Yang ,  Feng-Cheng Tsao ,  Chuh-Ching Li ,  Jesse R. Wang

IPC分类号： H03K3/00

CPC分类号： H03K17/6871 ,  H02M1/08 ,  H02M3/335 ,  H03K17/08122 ,  H03K17/162 ,  H03K17/22

摘要： A transistor drive circuit of a power converter is developed for operating in a wide voltage range. It includes an N-type high-side transistor, a P-type high-side transistor and an N-type low-side transistor. A voltage clamp device is connected to the gate of the N-type high-side transistor to limit the maximum output voltage. A detection circuit is coupled to detect the supply voltage of the transistor drive circuit to generate a disable signal in response to the voltage level of the supply voltage. The disable signal is coupled to disable the P-type high-side transistor once the voltage level of the supply voltage is higher than a threshold voltage.

摘要翻译： 开发了功率转换器的晶体管驱动电路，用于在宽电压范围内工作。 它包括N型高边晶体管，P型高边晶体管和N型低边晶体管。 电压钳位装置连接到N型高侧晶体管的栅极以限制最大输出电压。 耦合检测电路以检测晶体管驱动电路的电源电压以响应于电源电压的电压电平而产生禁用信号。 一旦电源电压的电压电平高于阈值电压，禁止信号被耦合以禁用P型高侧晶体管。