公开(公告)号：US20100070659A1

公开(公告)日：2010-03-18

申请号：US12265503

申请日：2008-11-05

Applicant: Kenneth Ma ,  Chenmin Zhang ,  Alfonsus Lunardhi ,  Manisha Pandya ,  Shimon Elkayam

Inventor： Kenneth Ma ,  Chenmin Zhang ,  Alfonsus Lunardhi ,  Manisha Pandya ,  Shimon Elkayam

IPC: G06F13/00 ,  H02J7/00

CPC classification number: G06F13/385 ,  H02J7/0029 ,  H02J7/0078 ,  H02J2007/0039 ,  H02J2007/0062 ,  Y02D10/14 ,  Y02D10/151

Abstract: Aspects of a method and system for operating and/or charging a battery powered USB device based on a USB port type are provided. In this regard, in a USB device comprising a power management IC and a multi-function IC, a port type detection module in the multi-function IC may determine whether the USB device is attached to a standard host port or a charging port. Additionally, a power source in the power management IC, which may supply power to the port type detection module, may be enabled upon attachment of the USB device to a USB port and disabled subsequent to determination of port type. Also, one or more portions and/or functions of the power management IC may be configured based on the determined port type. Similarly, one or more portions and/or functions of the multi-function IC may be enabled or disabled based on the determined port type.

Abstract translation: 提供了一种用于操作和/或充电基于USB端口类型的电池供电的USB设备的方法和系统的方面。 在这方面，在包括电源管理IC和多功能IC的USB设备中，多功能IC中的端口类型检测模块可以确定USB设备是连接到标准主机端口还是充电端口。 此外，可以在将USB设备附接到USB端口并且在确定端口类型之后被禁用，可以在电源管理IC中向端口型检测模块供电的电源。 此外，功率管理IC的一个或多个部分和/或功能可以基于确定的端口类型来配置。 类似地，可以基于所确定的端口类型来启用或禁用多功能IC的一个或多个部分和/或功能。

公开(公告)号：US20080175260A1

公开(公告)日：2008-07-24

申请号：US11727596

申请日：2007-03-27

Applicant: Asif Hussain ,  Manisha Pandya ,  Farzan Roohparvar ,  John Perzow

Inventor： Asif Hussain ,  Manisha Pandya ,  Farzan Roohparvar ,  John Perzow

IPC: H04L12/56

CPC classification number: H04L12/66 ,  Y10T307/549

Abstract: A system and method of analyzing a powered device (PD) in a Power-over-Ethernet (PoE) system are presented. The system includes an Ethernet interface having a physical layer (PHY) chip capable of providing a signal pulse in addition to physical layer 1 functions. The system further includes a pulse transformer, coupled to the PHY chip, capable of relaying the signal pulse provided by the PHY chip to the PD via the transmit line and a second PHY chip. The first PHY chip receives one or more return pulse signals from the PD, analyzes characteristics such as voltage and/or frequency of the return pulse signal(s), and determines attributes of the PD based on those characteristics. The attributes can include powered device validity and power classification. A method of supplying power to a PD is also presented.

Abstract translation: 提出了一种分析以太网供电（PoE）系统中的供电设备（PD）的系统和方法。 该系统包括具有能够提供除物理层1功能之外的信号脉冲的物理层（PHY）芯片的以太网接口。 该系统还包括连接到PHY芯片的脉冲变压器，其能够经由传输线路将PHY芯片提供的信号脉冲中继到PD，以及第二PHY芯片。 第一PHY芯片从PD接收一个或多个返回脉冲信号，分析诸如返回脉冲信号的电压和/或频率的特性，并且基于这些特性来确定PD的属性。 属性可以包括有源设备的有效性和功率分类。 还提供了向PD供电的方法。

公开(公告)号：US20080089512A1

公开(公告)日：2008-04-17

申请号：US11581355

申请日：2006-10-17

Applicant: Asif Hussain ,  Manisha Pandya

Inventor： Asif Hussain ,  Manisha Pandya

IPC: H04M9/08

CPC classification number: H04M9/08

Abstract: A system and method for enabling communication between power source equipment and a powered device chip. In one embodiment, communication between the power source equipment and the powered device chip is enabled through a communication link established between the powered device chip and a host device on the powered device.

Abstract translation: 一种用于实现电源设备和有源设备芯片之间的通信的系统和方法。 在一个实施例中，电源设备和受电设备芯片之间的通信是通过在受电设备芯片和主设备之间建立的通信链路实现的。

公开(公告)号：US20120102341A1

公开(公告)日：2012-04-26

申请号：US13341600

申请日：2011-12-30

Applicant: Asif HUSSAIN ,  Manisha Pandya ,  Farzan Roohparvar ,  John Perzow

Inventor： Asif HUSSAIN ,  Manisha Pandya ,  Farzan Roohparvar ,  John Perzow

IPC: G06F1/26

CPC classification number: H04L12/66 ,  Y10T307/549

Abstract: A system and method of analyzing a powered device (PD) in a Power-over-Ethernet (PoE) system are presented. The system includes an Ethernet interface having a physical layer (PRY) chip capable of providing a signal pulse in addition to physical layer 1 functions. The system further includes a pulse transformer, coupled to the PRY chip, capable of relaying the signal pulse provided by the PRY chip to the PD via the transmit line and a second PRY chip. The first PRY chip receives one or more return pulse signals from the PD, analyzes characteristics such as voltage and/or frequency of the return pulse signal(s), and determines attributes of the PD based on those characteristics. The attributes can include powered device validity and power classification. A method of supplying power to a PD is also presented.

Abstract translation: 提出了一种分析以太网供电（PoE）系统中的供电设备（PD）的系统和方法。 该系统包括具有能够提供除物理层1功能之外的信号脉冲的物理层（PHY）芯片的以太网接口。 该系统还包括连接到PHY芯片的脉冲变压器，其能够经由传输线路将PHY芯片提供的信号脉冲中继到PD，以及第二PHY芯片。 第一PHY芯片从PD接收一个或多个返回脉冲信号，分析诸如返回脉冲信号的电压和/或频率的特性，并且基于这些特性来确定PD的属性。 属性可以包括有源设备的有效性和功率分类。 还提供了向PD供电的方法。

公开(公告)号：US07814342B2

公开(公告)日：2010-10-12

申请号：US11582371

申请日：2006-10-18

Applicant: Asif Hussain ,  Manisha Pandya

Inventor： Asif Hussain ,  Manisha Pandya

IPC: G06F1/00

CPC classification number: H04L12/66

Abstract: A system and method for communicating information using Layer 1 from a powered device to power source equipment via Ethernet. In one embodiment, Layer 1 information such as power management, classification, temperature, and disconnect information is transmitted from a powered device to power source equipment using an AC signal that has a cycle defining a first time period during which the AC signal is turned on and a second time period during which the AC signal is turned off. A type of information being sent by the powered device can be determined based on characteristic on/off times of the AC signal cycle.

Abstract translation: 一种用于通过以太网将第1层从有源设备传送到电源设备的信息的系统和方法。 在一个实施例中，诸如功率管理，分类，温度和断开信息之类的层1信息使用AC信号从供电设备发送到电源设备，该AC信号具有定义AC信号接通的第一时间段的周期 以及关闭AC信号的第二时间段。 由供电设备发送的一种类型的信息可以基于AC信号周期的特征开/关时间来确定。

公开(公告)号：US07705557B2

公开(公告)日：2010-04-27

申请号：US11729847

申请日：2007-03-30

Applicant: Sridhar Kotikalapoodi ,  Farzan Roohparvar ,  Tivadar Szabo ,  Manisha Pandya

Inventor： Sridhar Kotikalapoodi ,  Farzan Roohparvar ,  Tivadar Szabo ,  Manisha Pandya

IPC: H01M10/46

CPC classification number: H02J7/0068 ,  H02J7/0055 ,  H02J2007/0062 ,  Y10T307/625

Abstract: Traditionally, system loads are placed in parallel with the battery. This simple topology wastes the available power if the USB power and/or wall adapter is present. Recent topologies have made some improvements by powering the load by the maximum available voltage. Thus, if a USB power source or wall adapter is present, the load is powered by them rather than the battery, thus improving the system efficiency. However, since the USB power and wall adapter power are current limited, if the load requires higher current than the current limited USB or adapter, then the entire system is powered at voltage of the battery. The present invention further improves the system efficiency by distinguishing the load and powering the constant power loads by the maximum voltage and placing the constant current loads in parallel with the battery.

Abstract translation: 传统上，系统负载与电池并联放置。 如果USB电源和/或墙上适配器存在，这种简单的拓扑将浪费可用功率。 最近的拓扑结构通过以最大可用电压为负载提供了一些改进。 因此，如果存在USB电源或墙上适配器，负载由电池供电而不是电池供电，从而提高系统效率。 然而，由于USB电源和墙上适配器电源电流受限，如果负载需要比当前有限的USB或适配器更高的电流，则整个系统在电池电压下供电。 本发明通过区分负载并通过最大电压对恒定功率负载供电并且将恒定电流负载与电池并联放置来进一步提高系统效率。

公开(公告)号：US20080238203A1

公开(公告)日：2008-10-02

申请号：US11729847

申请日：2007-03-30

Applicant: Sridhar Kotikalapoodi ,  Farzan Roohparvar ,  Tivadar Szabo ,  Manisha Pandya

Inventor： Sridhar Kotikalapoodi ,  Farzan Roohparvar ,  Tivadar Szabo ,  Manisha Pandya

IPC: H02J7/04 ,  H02J7/00

CPC classification number: H02J7/0068 ,  H02J7/0055 ,  H02J2007/0062 ,  Y10T307/625

Abstract: Traditionally, system loads are placed in parallel with the battery. This simple topology wastes the available power if the USB power and/or wall adapter is present. Recent topologies have made some improvements by powering the load by the maximum available voltage. Thus, if a USB power source or wall adapter is present, the load is powered by them rather than the battery, thus improving the system efficiency. However, since the USB power and wall adapter power are current limited, if the load requires higher current than the current limited USB or adapter, then the entire system is powered at voltage of the battery. The present invention further improves the system efficiency by distinguishing the load and powering the constant power loads by the maximum voltage and placing the constant current loads in parallel with the battery.

Abstract translation: 传统上，系统负载与电池并联放置。 如果USB电源和/或墙上适配器存在，这种简单的拓扑将浪费可用功率。 最近的拓扑结构通过以最大可用电压为负载提供了一些改进。 因此，如果存在USB电源或墙上适配器，负载由电池供电而不是电池供电，从而提高系统效率。 然而，由于USB电源和墙上适配器电源电流受限，如果负载需要比当前有限的USB或适配器更高的电流，则整个系统在电池电压下供电。 本发明通过区分负载并通过最大电压对恒定功率负载供电并且将恒定电流负载与电池并联放置来进一步提高系统效率。

公开(公告)号：US20080198635A1

公开(公告)日：2008-08-21

申请号：US11907286

申请日：2007-10-10

Applicant: Asif Hussain ,  Manisha Pandya

Inventor： Asif Hussain ,  Manisha Pandya

IPC: H02M3/335

CPC classification number: H02M3/335 ,  H02M1/32

Abstract: A new pulse width modulation return scheme in which the source of PWM FET is directly connected to the 48 Volt return and therefore Ids of PWM FET does not pass through the hot-swap FET which therefore significantly reduce the power dissipation on the die of PD chip.

Abstract translation: 一种新的脉冲宽度调制返回方案，其中PWM FET的源极直接连接到48伏返回，因此PWM FET的Ids不通过热插拔FET，因此显着降低了PD芯片的芯片上的功耗 。

公开(公告)号：US20070237322A1

公开(公告)日：2007-10-11

申请号：US11783401

申请日：2007-04-09

Applicant: Asif Hussain ,  Manisha Pandya ,  Wael Diab

Inventor： Asif Hussain ,  Manisha Pandya ,  Wael Diab

IPC: H04M9/00

CPC classification number: H04L12/40045

Abstract: In a Power over Ethernet (POE) system, a power source equipment (PSE) device configured to deliver power to one or more powered devices (PDs) over a plurality of Ethernet transmission lines. The PSE interface includes a multi-port transmission line connector capable connecting to multiple Ethernet transmission lines, and a power source equipment (PSE) controller module integrated with the multi-port transmission line connector. The PSE controller module is capable of semi-automatic mode and legacy detection of one or more of the PDs that are coupled to the Ethernet transmission lines. The PSE controller module includes a plurality of PSE controllers corresponding to the Ethernet transmission lines, including a master PSE controller and plurality of slave PSE controllers coupled to the master PSE controller. The master PSE controller controls the slave PSE controllers, so as to provide power management to said corresponding PD devices, without an external microcontroller. In another embodiment, the PSE controller(s) inside the connector are configured for fully automatic mode, and include the feature of independent power management.

Abstract translation: 在以太网供电（POE）系统中，电源设备（PSE）设备被配置为通过多个以太网传输线路向一个或多个供电设备（PD）传送电力。 PSE接口包括可连接多个以太网传输线的多端口传输线连接器，以及与多端口传输线连接器集成的电源设备（PSE）控制器模块。 PSE控制器模块能够半耦合到以太网传输线的一个或多个PD的半自动模式和传统检测。 PSE控制器模块包括对应于以太网传输线的多个PSE控制器，包括主PSE控制器和耦合到主PSE控制器的多个从PSE控制器。 主PSE控制器控制从PSE控制器，以便在没有外部微控制器的情况下向所述相应的PD设备提供电源管理。 在另一个实施例中，连接器内部的PSE控制器被配置为全自动模式，并且包括独立电源管理的特征。