公开(公告)号：US08665668B2

公开(公告)日：2014-03-04

申请号：US13231159

申请日：2011-09-13

申请人： Vladislav Potanin ,  Alexander Burinskiy ,  Elena Potanina

发明人： Vladislav Potanin ,  Alexander Burinskiy ,  Elena Potanina

IPC分类号： G01S15/08

CPC分类号： G01S7/003 ,  G01S7/523 ,  G01S15/10

摘要： Technologies are generally described for an integrated circuit that is designed to serve as the basis of SONAR sensors that provide high sensitivity, low noise, low cost, and electronically adjustable gain in a small package may incorporate transducer drivers and signal sensing functions. Electronically programmable gain of the circuit may provide flexibility in system designs for gain management, and eliminate a need for manual gain adjustments in production. Power may be supplied to the sensor(s) over a power line of the circuit from a direct current source through a resistor. The same line may also be used for communicating with the sensor(s). Data from the microcontroller may be transmitted to the sensor(s) using an open-drain driver transistor and received through another transistor isolating the micro-controller's input from potentially high voltages present on the power line.

摘要翻译： 一般来说，为了提供高灵敏度，低噪声，低成本和小型封装的电子可调增益的SONAR传感器的基础而设计的集成电路技术通常被描述，可以包括换能器驱动器和信号感测功能。 电路的电子可编程增益可以为系统设计提供增益管理的灵活性，并且不需要生产中的手动增益调整。 可以通过电流通过电阻从直流电源向电路的电源线供电。 同一条线也可以用于与传感器通信。 来自微控制器的数据可以使用开漏驱动器晶体管传输到传感器，并通过将微控制器的输入与电力线上存在的潜在高电压隔离的另一晶体管接收。

公开(公告)号：US07388447B1

公开(公告)日：2008-06-17

申请号：US11472652

申请日：2006-06-21

申请人： Vladislav Potanin ,  Elena Potanina

发明人： Vladislav Potanin ,  Elena Potanina

IPC分类号： H03B27/00

CPC分类号： H03B27/00 ,  H03K3/011 ,  H03K3/0315

摘要： A method and circuit for stabilizing a frequency of a clock generator comprising a ring oscillator with respect to manufacturing process variations and a circuit temperature. A bias circuit comprising a current mirror and cascade circuits provides a compensated bias current based on a gate source voltage and drain source voltage of an output transistor, where the two voltages are independent of transistor parameters and circuit temperature. As a result, the ring oscillator frequency is stabilized with respect to those parameters.

摘要翻译： 一种用于稳定包括环形振荡器的时钟发生器的频率相对于制造工艺变化和电路温度的方法和电路。 包括电流镜和级联电路的偏置电路基于输出晶体管的栅源电压和漏源电压提供补偿偏置电流，其中两个电压独立于晶体管参数和电路温度。 结果，环形振荡器频率相对于这些参数是稳定的。

公开(公告)号：US07498769B1

公开(公告)日：2009-03-03

申请号：US11073135

申请日：2005-03-04

申请人： Vladislav Potanin ,  Elena Potanina

发明人： Vladislav Potanin ,  Elena Potanina

IPC分类号： H02J7/00 ,  H02J7/04

CPC分类号： H02J7/047 ,  H02J7/045

摘要： A circuit for battery charging is provided. The circuit provides a charge current to a battery, and regulates the charge current with either linear regulation or switching regulation, based on operating conditions. In one embodiment, if the input voltage minus the battery voltage is less than a threshold (e.g. 100 mV), linear regulation is employed, and if the input voltage minus the battery voltage is greater than the threshold (e.g. 100 mV), switching regulation is employed. The threshold may be fixed, or the threshold may be adjustable based on die temperature or charge current.

摘要翻译： 提供电池充电电路。 该电路为电池提供充电电流，并根据工作条件通过线性调节或开关调节来调节充电电流。 在一个实施例中，如果输入电压减去电池电压小于阈值（例如100mV），则采用线性调节，并且如果输入电压减去电池电压大于阈值（例如100mV），则开关调节 被雇用。 阈值可以是固定的，或者阈值可以基于管芯温度或充电电流来调节。

公开(公告)号：US07459886B1

公开(公告)日：2008-12-02

申请号：US10850943

申请日：2004-05-21

申请人： Vladislav Potanin ,  Elena Potanina

发明人： Vladislav Potanin ,  Elena Potanina

IPC分类号： H02J7/00 ,  G01R1/20

CPC分类号： H02J7/0068

摘要： A method and circuit for simultaneously charging a battery and providing supply voltage to a load. The circuit includes a low-drop-out voltage (LDO) regulator and a constant-current, constant-voltage (CC-CV) regulator. In one embodiment, CC-CV regulator provides a control voltage to the LDO regulator generated by a voltage-controlled current source. As charge voltage approaches battery termination voltage, the control voltage is reduced regulating LDO regulator output to provide constant voltage while decreasing charge current to the battery. In another embodiment, a slow response amplifier and a current mirror in the CC-CV regulator provide a smooth and stable charging current to the battery that is decreased as battery charge approaches a full charge level, while maintaining constant supply voltage to the load. In a further embodiment, an externally programmable amplifier in the CC-CV regulator may enable use of the circuit with varying power sources.

摘要翻译： 一种用于同时对电池充电并向负载提供电源电压的方法和电路。 该电路包括一个低压降电压（LDO）调节器和恒流恒压（CC-CV）调节器。 在一个实施例中，CC-CV调节器向由压控电流源产生的LDO调节器提供控制电压。 随着充电电压接近电池终端电压，控制电压减小，调节LDO调节器输出，以提供恒定电压，同时减少对电池的充电电流。 在另一个实施例中，CC-CV调节器中的慢响应放大器和电流镜向电池提供平滑和稳定的充电电流，随着电池电量接近满充电电平而同时保持对负载的恒定电源电压而降低。 在另一实施例中，CC-CV调节器中的外部可编程放大器可以使得能够使用具有变化的电源的电路。

公开(公告)号：US07102415B1

公开(公告)日：2006-09-05

申请号：US10810120

申请日：2004-03-26

申请人： Vladislav Potanin ,  Elena Potanina

发明人： Vladislav Potanin ,  Elena Potanina

IPC分类号： H03K17/687

CPC分类号： G01R19/16571 ,  H03K17/063

摘要： A current is provided from a power source to a load through a pass circuit that is series coupled to a sense resistor. A current trip-point detection circuit is arranged to detect a change in the current that is provided to a load. The current trip-point detection circuit includes at least two resistors that are series coupled from the sense resistor to a current source. A comparator compares a sense voltage to a tap-point between the two resistors such that the comparator asserts a trip-point detection signal when the current to the load reaches a predetermined threshold. The sense voltage can correspond to the voltage across the load or some other voltage that is proportional to the voltage across the load. The circuit arrangement has a simplified design that sets the trip-point as a percentage of the maximum output current. The current level trip-point can be temperature compensated.

摘要翻译： 通过串联耦合到检测电阻器的通过电路将电流从电源提供给负载。 电流跳变点检测电路被布置成检测提供给负载的电流的变化。 当前的跳变点检测电路包括从检测电阻器串联耦合到电流源的至少两个电阻器。 比较器将感测电压与两个电阻之间的分接点进行比较，使得当到负载的电流达到预定阈值时，比较器确定跳变点检测信号。 感测电压可以对应于负载上的电压或与负载两端的电压成比例的一些其他电压。 电路布置具有简化的设计，将跳变点设置为最大输出电流的百分比。 电流跳变点可以进行温度补偿。

公开(公告)号：US07453245B1

公开(公告)日：2008-11-18

申请号：US11706560

申请日：2007-02-13

申请人： Vladislav Potanin ,  Elena Potanina

发明人： Vladislav Potanin ,  Elena Potanina

IPC分类号： G05F1/40

CPC分类号： G05F1/575

摘要： A method for providing precise current regulation and limitation for a power supply is provided. The method includes amplifying any difference between a load current signal and a current setting reference signal with a feedback loop amplifier to generate a feedback signal. A power output signal is generated based on the feedback signal. An output signal for the power supply is generated based on the power output signal. The load current signal and the current setting reference signal are generated based on the power output signal. An offset error signal is generated based on the load current signal and the current setting reference signal. A differential bias for the feedback loop amplifier is adjusted based on the offset error signal.

摘要翻译： 提供了一种用于为电源提供精确的电流调节和限制的方法。 该方法包括用反馈环路放大器放大负载电流信号和电流设置参考信号之间的任何差值，以产生反馈信号。 基于反馈信号产生功率输出信号。 基于功率输出信号产生用于电源的输出信号。 基于功率输出信号生成负载电流信号和电流设定基准信号。 基于负载电流信号和电流设定基准信号产生偏移误差信号。 基于偏移误差信号调整反馈环路放大器的差分偏置。

公开(公告)号：US07336464B1

公开(公告)日：2008-02-26

申请号：US10652990

申请日：2003-08-28

申请人： Vladislav Potanin ,  Elena Potanina

发明人： Vladislav Potanin ,  Elena Potanina

IPC分类号： H02H5/04

CPC分类号： H02H5/041 ,  H02H9/026

摘要： A power limiting circuit is disclosed. The power limiting circuit includes a temperature sensing circuit that outputs a temperature signal that is proportional to temperature over a temperature range. The power limiting circuit also includes a regulation circuit coupled to the temperature sensing circuit and controlled by the temperature signal. The regulation circuit operates in a manner that is proportional to the temperature.

摘要翻译： 公开了一种功率限制电路。 功率限制电路包括温度检测电路，其输出与温度范围成比例的温度信号。 功率限制电路还包括耦合到温度感测电路并由温度信号控制的调节电路。 调节电路以与温度成比例的方式工作。

公开(公告)号：US07019581B1

公开(公告)日：2006-03-28

申请号：US10859627

申请日：2004-06-03

申请人： Vladislav Potanin ,  Elena Potanina

发明人： Vladislav Potanin ,  Elena Potanina

IPC分类号： H03K17/687

CPC分类号： H03K17/0822

摘要： A method and circuit for tracking a load current and a load voltage to provide an output signal that is proportional to the load current. The circuit enables employment of high gate area (W/L) ratio for a current mirror type current sense circuit, while maintaining accuracy of a sense current. A tracking circuit tracks the load current and the load voltage providing equal biasing to a power pass transistor and a power sense transistor. The tracking circuit further supplies a gate voltage to a cascode transistor, which provides the output signal proportional to the load current. A trimming circuit allows adjustment of a current flowing through the cascode transistor enabling calibration of the circuit for variations of W/L ratio between the power pass transistor and power sense transistor due to manufacturing tolerances. Calibration may be performed during initial power-on and selected trimming transistors may be turned on or off.

摘要翻译： 一种用于跟踪负载电流和负载电压以提供与负载电流成比例的输出信号的方法和电路。 该电路可以使电流镜式电流检测电路采用高栅极面积（W / L）比，同时保持感测电流的精度。 跟踪电路跟踪负载电流和负载电压，为功率传输晶体管和功率检测晶体管提供相等的偏置。 跟踪电路还向共源共栅晶体管提供栅极电压，其提供与负载电流成比例的输出信号。 调整电路允许调节流过共源共栅晶体管的电流，使得能够校准电路，用于由于制造公差而在功率传递晶体管和功率检测晶体管之间的W / L比的变化。 可以在初始上电期间执行校准，并且可以打开或关闭所选择的修整晶体管。

公开(公告)号：US06703813B1

公开(公告)日：2004-03-09

申请号：US10281008

申请日：2002-10-24

申请人： Potanin Vladislav ,  Elena Potanina

发明人： Potanin Vladislav ,  Elena Potanina

IPC分类号： G05F1595

CPC分类号： G05F1/575

摘要： An LDO regulator is arranged to provide regulation with a pass device, a cascode device, a level shifter, an error amplifier, and a tracking voltage divider. The error amplifier is arranged to sense the output voltage and provide an error signal to the pass device via the level shifter. The level shifter changes the DC level of the error signal such that the pass device is isolated from damaging voltages. The cascode device is arranged to increase the impedance between the output node and the pass transistor such that the LDO regulator can sustain input voltages that exceed process limits without damage. The cascode device is biased by the tracking voltage divider. The tracking voltage divider adjusts the biasing to the cascode device such that a decreased input voltages result in lower impedance, and increased input voltages result in higher impedance.

摘要翻译： LDO调节器被布置成提供带通装置，共源共栅装置，电平移位器，误差放大器和跟踪分压器的调节。 误差放大器布置成感测输出电压，并通过电平转换器向通过装置提供误差信号。 电平移位器改变误差信号的直流电平，使得通过装置与损坏的电压隔离。 串联装置被布置成增加输出节点和传输晶体管之间的阻抗，使得LDO调节器可以维持超过处理限制的输入电压而不损坏。 该共源共栅器件被跟踪分压器偏置。 跟踪分压器调整到共源共栅器件的偏置，使得输入电压降低导致较低的阻抗，并且增加的输入电压导致更高的阻抗。

公开(公告)号：US20120069712A1

公开(公告)日：2012-03-22

申请号：US13231159

申请日：2011-09-13

申请人： Vladislav Potanin ,  Alexander Burinskiy ,  Elena Potanina

发明人： Vladislav Potanin ,  Alexander Burinskiy ,  Elena Potanina

IPC分类号： G01S15/08

CPC分类号： G01S7/003 ,  G01S7/523 ,  G01S15/10

摘要： Technologies are generally described for an integrated circuit that is designed to serve as the basis of SONAR sensors that provide high sensitivity, low noise, low cost, and electronically adjustable gain in a small package may incorporate transducer drivers and signal sensing functions. Electronically programmable gain of the circuit may provide flexibility in system designs for gain management, and eliminate a need for manual gain adjustments in production. Power may be supplied to the sensor(s) over a power line of the circuit from a direct current source through a resistor. The same line may also be used for communicating with the sensor(s). Data from the microcontroller may be transmitted to the sensor(s) using an open-drain driver transistor and received through another transistor isolating the micro-controller's input from potentially high voltages present on the power line.

摘要翻译： 一般来说，为了提供高灵敏度，低噪声，低成本和小型封装的电子可调增益的SONAR传感器的基础而设计的集成电路技术通常被描述，可以包括换能器驱动器和信号感测功能。 电路的电子可编程增益可以为系统设计提供增益管理的灵活性，并且不需要生产中的手动增益调整。 可以通过电流通过电阻从直流电源向电路的电源线供电。 同一条线也可以用于与传感器通信。 来自微控制器的数据可以使用开漏驱动器晶体管传输到传感器，并通过将微控制器的输入与电力线上存在的潜在高电压隔离的另一晶体管接收。