公开(公告)号：US20170019262A1

公开(公告)日：2017-01-19

申请号：US14800616

申请日：2015-07-15

Applicant: Silicon Laboratories Inc.

Inventor： Vince András Horváth ,  Tamás Marozsák ,  Péter Onódy ,  John Gammel

IPC: H04L12/10

CPC classification number: H02M1/36 ,  H02H9/041 ,  H02M1/32

Abstract: In some embodiments, powered devices, circuits, and methods are disclosed that may include biasing a hot swap switch to couple a capacitor of a DC-DC converter to negative supply node when an input voltage exceeds a threshold and biasing a telephony switch to couple a positive supply node to a negative supply node when the input voltage exceeds the threshold. Further, the method may further include deactivating the hot swap switch after a period of time, and continuing to bias the telephony switch.

Abstract translation: 在一些实施例中，公开了供电设备，电路和方法，其可以包括当输入电压超过阈值时偏置热交换开关以将DC-DC转换器的电容器耦合到负电源节点，并且偏置电话交换机以耦合 当输入电压超过阈值时，正电源节点连接到负电源节点。 此外，该方法还可以包括在一段时间后停用热插拔开关，并且继续偏置电话交换机。

公开(公告)号：US09954430B2

公开(公告)日：2018-04-24

申请号：US14800616

申请日：2015-07-15

Applicant: Silicon Laboratories Inc.

Inventor： Vince András Horváth ,  Tamás Marozsák ,  Péter Onódy ,  John Gammel

IPC: H02M1/32 ,  H02M1/36

CPC classification number: H02M1/36 ,  H02H9/041 ,  H02M1/32

Abstract: In some embodiments, powered devices, circuits, and methods are disclosed that may include biasing a hot swap switch to couple a capacitor of a DC-DC converter to negative supply node when an input voltage exceeds a threshold and biasing a telephony switch to couple a positive supply node to a negative supply node when the input voltage exceeds the threshold. Further, the method may further include deactivating the hot swap switch after a period of time, and continuing to bias the telephony switch.

公开(公告)号：US20170012787A1

公开(公告)日：2017-01-12

申请号：US14791969

申请日：2015-07-06

Applicant: Silicon Laboratories Inc.

Inventor： Vince András Horváth ,  Tamás Marozsák ,  Péter Onódy ,  John Gammel

IPC: H04L12/10 ,  H02M3/04

CPC classification number: H04L12/10 ,  H04L12/40045

Abstract: In some embodiments, a powered device includes a powered device circuit, which may include a maintain power signature (MPS) circuit configured to compare a sense current to a reference current. In a first mode, the MPS circuit may be configured to automatically generate an MPS signal when the sense current is less than the reference current.

Abstract translation: 在一些实施例中，供电设备包括供电设备电路，其可以包括被配置为将感测电流与参考电流进行比较的维持功率签名（MPS）电路。 在第一模式中，MPS电路可以被配置为当感测电流小于参考电流时自动生成MPS信号。

公开(公告)号：US10153909B2

公开(公告)日：2018-12-11

申请号：US14791969

申请日：2015-07-06

Applicant: Silicon Laboratories Inc.

Inventor： Vince András Horváth ,  Tamás Marozsák ,  Péter Onódy ,  John Gammel

IPC: H04L12/10 ,  H04L12/40

Abstract: In some embodiments, a powered device includes a powered device circuit, which may include a maintain power signature (MPS) circuit configured to compare a sense current to a reference current. In a first mode, the MPS circuit may be configured to automatically generate an MPS signal when the sense current is less than the reference current.