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1. 发明授权

US08493035B2 Charging method and circuit using indirect current sensing 有权
标题翻译：使用间接电流检测的充电方法和电路
公开(公告)号：US08493035B2
公开(公告)日：2013-07-23
申请号：US11576340
申请日：2005-09-21
申请人： Roland Albert Bertha Antheunis , Insun Van Loo , Robert Gerrit Hulshof
发明人： Roland Albert Bertha Antheunis , Insun Van Loo , Robert Gerrit Hulshof
IPC分类号： H02J7/06 , H02J7/00
CPC分类号： H02J7/0072 , H02M2001/0009
摘要： The present invention relates to a charging circuit and method for generating a charging current supplied to an output terminal (15) to which a battery (40) to be charged is connected. The charging current is indirectly sensed to generate a sensing current having a predetermined relation to the charging current. This sensing current is then compared to a generated predetermined reference current, wherein the charging current is controlled in response to the result of the comparison. Thereby, accuracy, system costs and power efficiency can be increased as a low-ohmic precision resistor is no longer required in the charge current branch of the circuit. Furthermore, the proposed solution enables a simple implementation of the circuit as an integrated circuit.
摘要翻译：本发明涉及一种充电电路和方法，用于产生提供给要被充电的电池（40）连接到的输出端子（15）的充电电流。间接地感测充电电流以产生与充电电流具有预定关系的感测电流。然后将该感测电流与产生的预定参考电流进行比较，其中响应于比较的结果来控制充电电流。因此，随着电路的充电电流分支中不再需要低欧姆的精密电阻，可以提高精度，系统成本和功率效率。此外，所提出的解决方案使得能够简单地实现作为集成电路的电路。

2. 发明申请

US20080258689A1 Charging Method and Circuit Using Indirect Current Sensing 有权
标题翻译：使用间接电流检测的充电方法和电路
公开(公告)号：US20080258689A1
公开(公告)日：2008-10-23
申请号：US11576340
申请日：2005-09-21
申请人： Roland Albert Bertha Antheunis , Insun Van Loo , Robert Gerrit Hulshof
发明人： Roland Albert Bertha Antheunis , Insun Van Loo , Robert Gerrit Hulshof
IPC分类号： H02J7/04
CPC分类号： H02J7/0072 , H02M2001/0009
摘要： The present invention relates to a charging circuit and method for generating a charging current supplied to an output terminal (15) to which a battery (40) to be charged is connected. The charging current is indirectly sensed to generate a sensing current having a predetermined relation to the charging current. This sensing current is then compared to a generated predetermined reference current, wherein the charging current is controlled in response to the result of the comparison. Thereby, accuracy, system costs and power efficiency can be increased as a low-ohmic precision resistor is no longer required in the charge current branch of the circuit. Furthermore, the proposed solution enables a simple implementation of the circuit as an integrated circuit.
摘要翻译：本发明涉及一种充电电路和方法，用于产生提供给要被充电的电池（40）连接到的输出端子（15）的充电电流。间接地感测充电电流以产生与充电电流具有预定关系的感测电流。然后将该感测电流与产生的预定参考电流进行比较，其中响应于比较的结果来控制充电电流。因此，随着电路的充电电流分支中不再需要低欧姆精密电阻，可以提高精度，系统成本和功率效率。此外，所提出的解决方案使得能够简单地实现作为集成电路的电路。

3. 发明授权

US06407537B2 Voltage regulator provided with a current limiter 有权
标题翻译：电压调节器配有限流器
公开(公告)号：US06407537B2
公开(公告)日：2002-06-18
申请号：US09741723
申请日：2000-12-19
申请人： Roland Albert Bertha Antheunis
发明人： Roland Albert Bertha Antheunis
IPC分类号： G05F308
CPC分类号： G05F3/262 , G05F3/247
摘要： A voltage regulator for converting an input voltage (Vi) into an output voltage (Vo). The input voltage may be burdened with a ripple. The output voltage (Vo) supplied by the voltage regulator is virtually free from ripple. The voltage regulator comprises an input terminal (1) for receiving the input voltage (Vi), an output terminal for supplying the output voltage (Vo) in response to the input voltage (Vi), and current limiting means for limiting the maximum absolute value of an output current (Io) taken from the output terminal (2). The current limiting means comprise a field effect transistor (TCL). The voltage regulator further comprises a first current mirror (CM1) comprising transistors (T11, T12), a second current mirror (CM2) comprising transistors (T13, T14), and a third current mirror comprising transistors (T15, T16). In a typical operation, the field effect transistor (TCL) is in the linear region and thus behaves like a resistance. With an increasing output current (Io), the current through the field effect transistor (TCL) also increases, and the voltage between the drain and the source of the field effect transistor (TCL) increases. When the voltage between the drain and the source of the field effect transistor (TCL) has exceeded a certain level, the field effect transistor (TCL) enters its saturation region and accordingly behaves like a constant-current source. As a consequence the output current (Io) can no longer rise.
摘要翻译：一种用于将输入电压（Vi）转换为输出电压（Vo）的电压调节器。输入电压可能会产生纹波。由电压调节器提供的输出电压（Vo）实际上没有纹波。电压调节器包括用于接收输入电压（Vi）的输入端子（1），用于响应于输入电压（Vi）提供输出电压（Vo）的输出端子，以及用于限制最大绝对值的电流限制装置从输出端子（2）获取的输出电流（Io）。电流限制装置包括场效应晶体管（TCL）。电压调节器还包括包括晶体管（T11，T12）的第一电流镜（CM1），包括晶体管（T13，T14）的第二电流镜（CM2）和包括晶体管（T15，T16）的第三电流镜。在典型的操作中，场效应晶体管（TCL）处于线性区域，因此表现为电阻。随着输出电流（Io）的增加，通过场效应晶体管（TCL）的电流也增加，并且场效应晶体管（TCL）的漏极和源极之间的电压增加。当场效应晶体管（TCL）的漏极和源极之间的电压已经超过一定水平时，场效应晶体管（TCL）进入其饱和区域，因此表现得像恒流源。因此，输出电流（Io）不再能够上升。

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