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    • 88. 发明申请
    • TIME-DOMAIN MULTIPLEXING OF POWER AND DATA
    • 功率和数据的时域多路复用
    • US20120280563A1
    • 2012-11-08
    • US13286982
    • 2011-11-01
    • Eric SmithBryan R. HinchTommee So
    • Eric SmithBryan R. HinchTommee So
    • H02J3/00H01H35/00
    • H02J7/007G06F1/263Y10T307/858
    • Circuits, methods, and apparatus that may allow an electronic device to control a power adapter. One example may provide an electronic system where an electronic device may control a power adapter through a communication channel. Data transferred in the communication channel may include the temperature of the power adapter, the charging capability of the adapter, and other types of data. In one example, power and data may share the same two wires, and the power and data may be time-division multiplexed. That is, the two wires may convey power and data at different times. Another example may include circuitry to detect a connection between the electronic device and the power adapter. Once a connection is detected, power may be transferred from the power adapter to the electronic device. This power transfer may be interrupted on occasion to transfer data between the power adapter to the electronic device.
    • 可允许电子设备控制电源适配器的电路,方法和设备。 一个示例可以提供电子系统,其中电子设备可以通过通信信道来控制电力适配器。 在通信信道中传送的数据可以包括电源适配器的温度,适配器的充电能力以及其他类型的数据。 在一个示例中,功率和数据可以共享相同的两条线,并且功率和数据可以被时分复用。 也就是说,两条线可以在不同时间传输电力和数据。 另一示例可以包括用于检测电子设备和电源适配器之间的连接的电路。 一旦检测到连接,电源可能会从电源适配器传输到电子设备。 这种电力传输有时可能会在电源适配器与电子设备之间传输数据。
    • 89. 发明申请
    • HIGH-VOLTAGE REGULATED POWER SUPPLY
    • 高压调节电源
    • US20120195080A1
    • 2012-08-02
    • US13090128
    • 2011-04-19
    • Eric SmithP. Jeffrey UngarHeather R. Sullens
    • Eric SmithP. Jeffrey UngarHeather R. Sullens
    • H02M7/10
    • H02M7/10
    • The disclosed embodiments relate to a power-supply circuit, an electronic device that includes the power-supply circuit, and a method for generating high-voltage DC power from AC line power using the power-supply circuit. This power-supply circuit includes a voltage multiplier and a low dropout (LDO) regulator, and does not include a step-up transformer. Conventional power supplies often use a custom step-up transformer, which is expensive unless the power supplies are manufactured in high quantities. In contrast, one embodiment of the present disclosure provides a solid-state implementation of a 700 V regulated power supply that can take up to a 1020 V input from an 6× voltage multiplier powered from the AC mains. Hence, the disclosed power-supply circuit eliminates the need for large, heavy and expensive step-up transformers and chokes that are used in conventional high-voltage DC power supplies.
    • 所公开的实施例涉及电源电路,包括电源电路的电子设备以及使用电源电路从AC线路电力产生高压DC电力的方法。 该电源电路包括电压倍增器和低压差(LDO)调节器,并且不包括升压变压器。 常规电源通常使用定制的升压变压器,这是非常昂贵的,除非电源大量生产。 相比之下,本公开的一个实施例提供了700V稳压电源的固态实现,其可以从由AC电源供电的6×电压倍增器采用高达1020V的输入。 因此,所公开的电源电路消除了对常规高压直流电源中使用的大型,重型和昂贵的升压变压器和扼流器的需要。