公开(公告)号：US20140339921A1

公开(公告)日：2014-11-20

申请号：US13960563

申请日：2013-08-06

申请人： Feeling Technology Corp.

发明人： Ming-Yu HSU ,  Wei-Chung LIU

IPC分类号： H02J4/00

CPC分类号： H02J9/005 ,  H02J2009/007 ,  Y10T307/865

摘要： A light load current detection system including a detection process module and a control circuit is provided for detecting a current value of a light load current of a load in a light load mode; the detection process module including a power save unit and a voltage detection module. The power save unit sends a power save signal, wherein a cycle of the power save signal corresponds to a switch state. The voltage detection module detects an input voltage value to generate and output a detection signal. The control circuit includes a data table and a threshold, the data table showing a relation among the cycle, the current value and the input voltage value. The control circuit determines if the current value reaching the threshold, the switch is turned off in the light load module.

摘要翻译： 提供一种包括检测处理模块和控制电路的轻负载电流检测系统，用于检测轻负载模式中负载的轻负载电流的当前值; 检测处理模块包括省电单元和电压检测模块。 省电单元发送节电信号，其中节电信号的周期对应于开关状态。 电压检测模块检测输入电压值以产生并输出检测信号。 控制电路包括数据表和阈值，该数据表示出周期，当前值和输入电压值之间的关系。 控制电路确定当前值是否达到阈值，开关在轻负载模块中关闭。