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公开(公告)号：US09413363B2
公开(公告)日：2016-08-09
申请号：US14451966
申请日：2014-08-05
Applicant: SanDisk Technologies Inc.
Inventor： Simon Bass , Alexander Tetelbaum
CPC classification number: H03L7/0891 , H02M3/07 , H03L7/0895 , H03L7/0896
Abstract: A charge pump provides matched charging and discharging currents. One transistor is connected to an input of a charge pump core while two transistors are connected to the other input of the charge pump core, with each of the transistors mirroring a reference transistor through different mirroring pathways so that current through the transistor of the first input is equal to the sum of currents through the two transistors of the second input.
Abstract translation: 电荷泵提供匹配的充电和放电电流。 一个晶体管连接到电荷泵芯的输入端，而两个晶体管连接到电荷泵芯的另一个输入，晶体管中的每一个通过不同的镜像通路镜像参考晶体管，使得通过第一输入晶体管 等于通过第二输入的两个晶体管的电流之和。
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公开(公告)号：US20160043636A1
公开(公告)日：2016-02-11
申请号：US14451966
申请日：2014-08-05
Applicant: SanDisk Technologies Inc.
Inventor： Simon Bass , Alexander Tetelbaum
CPC classification number: H03L7/0891 , H02M3/07 , H03L7/0895 , H03L7/0896
Abstract: A charge pump provides matched charging and discharging currents. One transistor is connected to an input of a charge pump core while two transistors are connected to the other input of the charge pump core, with each of the transistors mirroring a reference transistor through different mirroring pathways so that current through the transistor of the first input is equal to the sum of currents through the two transistors of the second input.
Abstract translation: 电荷泵提供匹配的充电和放电电流。 一个晶体管连接到电荷泵芯的输入端，而两个晶体管连接到电荷泵芯的另一个输入，晶体管中的每一个通过不同的镜像通路镜像参考晶体管，使得通过第一输入晶体管 等于通过第二输入的两个晶体管的电流之和。
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3.发明授权公开(公告)号：US09397648B1
公开(公告)日：2016-07-19
申请号：US14639720
申请日：2015-03-05
Applicant: SanDisk Technologies Inc.
Inventor： Tomer Elran , Alexander Tetelbaum
CPC classification number: H03K9/08 , H02M3/33507 , H03F3/217 , H03K7/08
Abstract: A first charge module includes a first resistor and a first capacitor. A second charge module includes a second resistor and a second capacitor. A voltage comparison module includes a comparator connected to compare voltages present on the first and second capacitors. The comparator is connected to output a signal having a first state when the voltage on the first capacitor is less than the voltage on the second capacitor, and output a signal having a second state opposite of the first state when the voltage on the first capacitor is greater than the voltage on the second capacitor. A control module is configured to receive a PWM signal as an input signal and generate control signals based on the received PWM signal for controlling charging and discharging of the first and second capacitors. The output of the comparator is a decoded version of the PWM signal.
Abstract translation: 第一充电模块包括第一电阻器和第一电容器。 第二充电模块包括第二电阻器和第二电容器。 电压比较模块包括比较器，其连接以比较存在于第一和第二电容器上的电压。 当第一电容器上的电压小于第二电容器上的电压时，比较器被连接以输出具有第一状态的信号，并且当第一电容器上的电压为第一电容器时，输出具有与第一状态相反的第二状态的信号 大于第二电容器上的电压。 控制模块被配置为接收作为输入信号的PWM信号，并且基于所接收的PWM信号产生用于控制第一和第二电容器的充电和放电的控制信号。 比较器的输出是PWM信号的解码版本。
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