JP6936543B2 - Usbインターフェース回路および低電力動作のための方法 - Google Patents

Usbインターフェース回路および低電力動作のための方法 Download PDF

Info

Publication number
JP6936543B2
JP6936543B2 JP2018524779A JP2018524779A JP6936543B2 JP 6936543 B2 JP6936543 B2 JP 6936543B2 JP 2018524779 A JP2018524779 A JP 2018524779A JP 2018524779 A JP2018524779 A JP 2018524779A JP 6936543 B2 JP6936543 B2 JP 6936543B2
Authority
JP
Japan
Prior art keywords
usb port
power
usb
port controller
power mode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2018524779A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018535493A (ja
JP2018535493A5 (enExample
Inventor
ウェイン ウォーターズ デリック
ウェイン ウォーターズ デリック
ウォリス コリンズ グレゴリー
ウォリス コリンズ グレゴリー
Original Assignee
テキサス インスツルメンツ インコーポレイテッド
テキサス インスツルメンツ インコーポレイテッド
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US15/346,865 external-priority patent/US11181966B2/en
Application filed by テキサス インスツルメンツ インコーポレイテッド, テキサス インスツルメンツ インコーポレイテッド filed Critical テキサス インスツルメンツ インコーポレイテッド
Publication of JP2018535493A publication Critical patent/JP2018535493A/ja
Publication of JP2018535493A5 publication Critical patent/JP2018535493A5/ja
Application granted granted Critical
Publication of JP6936543B2 publication Critical patent/JP6936543B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/40Bus structure
    • G06F13/4063Device-to-bus coupling
    • G06F13/4068Electrical coupling
    • G06F13/4072Drivers or receivers
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/266Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206Monitoring of events, devices or parameters that trigger a change in power modality
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3209Monitoring remote activity, e.g. over telephone lines or network connections
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3215Monitoring of peripheral devices
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234Power saving characterised by the action undertaken
    • G06F1/325Power saving in peripheral device
    • G06F1/3253Power saving in bus
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/382Information transfer, e.g. on bus using universal interface adapter
    • G06F13/387Information transfer, e.g. on bus using universal interface adapter for adaptation of different data processing systems to different peripheral devices, e.g. protocol converters for incompatible systems, open system
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/50Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Power Sources (AREA)
  • Information Transfer Systems (AREA)
  • Direct Current Feeding And Distribution (AREA)
JP2018524779A 2015-11-13 2016-11-14 Usbインターフェース回路および低電力動作のための方法 Active JP6936543B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201562254952P 2015-11-13 2015-11-13
US62/254,952 2015-11-13
US15/346,865 2016-11-09
US15/346,865 US11181966B2 (en) 2015-11-13 2016-11-09 USB interface circuit and method for low power operation
US201615348753A 2016-11-10 2016-11-10
US15/348,753 2016-11-10
PCT/US2016/061862 WO2017083831A1 (en) 2015-11-13 2016-11-14 Usb interface circuit and method for low power operation

Publications (3)

Publication Number Publication Date
JP2018535493A JP2018535493A (ja) 2018-11-29
JP2018535493A5 JP2018535493A5 (enExample) 2019-12-12
JP6936543B2 true JP6936543B2 (ja) 2021-09-15

Family

ID=58696152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018524779A Active JP6936543B2 (ja) 2015-11-13 2016-11-14 Usbインターフェース回路および低電力動作のための方法

Country Status (4)

Country Link
EP (2) EP4492199A3 (enExample)
JP (1) JP6936543B2 (enExample)
CN (2) CN108139789A (enExample)
WO (1) WO2017083831A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11112844B2 (en) * 2017-05-24 2021-09-07 Qualcomm Incorporated Universal serial bus (USB) type-C and power delivery port with scalable power architecture
US10489324B2 (en) 2017-08-25 2019-11-26 Qualcomm Incorporated Systems and methods for port management
US10218129B1 (en) * 2018-04-11 2019-02-26 Cypress Semiconductor Corporation Overvoltage protection for universal serial bus type-C (USB-C) connector systems
US10381787B1 (en) * 2018-05-21 2019-08-13 Cypress Semiconductor Corporation Voltage protection for universal serial bus type-C (USB-C) connector systems
JP6949792B2 (ja) * 2018-09-05 2021-10-13 ルネサスエレクトロニクス株式会社 デバイス、コントロールモジュール、コントローラ
DE102018218171A1 (de) * 2018-10-24 2020-04-30 Robert Bosch Gmbh Schaltung zur Aufbereitung eines Wake-Up-Signals
US10573997B1 (en) * 2019-05-24 2020-02-25 Microsoft Technology Licensing, Llc Power supply unit with connector protection circuit
JP7213755B2 (ja) * 2019-05-29 2023-01-27 ルネサスエレクトロニクス株式会社 半導体システム及び半導体装置
JP7135214B2 (ja) * 2019-07-12 2022-09-12 シャープNecディスプレイソリューションズ株式会社 電子機器、電子機器の電力供給方法
JP7493169B2 (ja) * 2019-11-08 2024-05-31 パナソニックIpマネジメント株式会社 Usbコンセント
JP2021184218A (ja) * 2020-05-22 2021-12-02 ルネサスエレクトロニクス株式会社 接続検出回路および半導体装置

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6567921B1 (en) * 1999-01-25 2003-05-20 Agere Systems, Inc. Asynchronous low power mode bus controller circuit and method of low power mode operation
US6675305B1 (en) * 2000-08-04 2004-01-06 Synopsys, Inc. Power saving in a USB peripheral by providing gated clock signal to CSR block in response to a local interrupt generated when an operation is to be performed
CN100412760C (zh) * 2006-02-16 2008-08-20 中芯国际集成电路制造(上海)有限公司 用于基于通用串行总线的装置的节电系统和方法
US7490255B2 (en) * 2006-06-30 2009-02-10 Intel Corporation Power efficient flow control model for USB asynchronous transfers
US7644217B2 (en) * 2007-03-02 2010-01-05 Microchip Technology Incorporated Detecting connection to a USB host or hub without using an extra status input
EP2130108B1 (en) * 2007-03-29 2018-03-07 Nokia Technologies Oy Connection to a usb device
CN101359316B (zh) * 2007-08-03 2010-06-30 联芯科技有限公司 一种实现通用串行总线usb otg的方法及装置
US8028178B2 (en) * 2008-09-09 2011-09-27 Freescale Semiconductor, Inc. System and method for providing external power on a universal serial bus
US8237414B1 (en) * 2009-03-06 2012-08-07 Pericom Semiconductor Corporation Multi-mode charger device
US8830073B2 (en) * 2009-12-01 2014-09-09 Apple Inc. Power converter with reduced power consumption when toggling between sleep and normal modes during device charging
JP4823352B2 (ja) * 2009-12-24 2011-11-24 株式会社東芝 情報処理装置
US9310838B2 (en) * 2010-03-19 2016-04-12 I/O Interconnect, Ltd. Power management method for switching power mode of a computer system based on detection of a human interface device
US8423802B2 (en) * 2010-04-07 2013-04-16 Andes Technology Corporation Power scaling module and power scaling unit of an electronic system having a function unit in a standby state which is insensitive to change in frequency or voltage during synchronization
CN102789298B (zh) * 2011-05-17 2016-03-30 施耐德电器工业公司 电源控制电路和方法
CA2817048A1 (en) * 2011-06-10 2012-12-13 Aliphcom Power management in a data-capable strapband
US8880916B2 (en) * 2011-08-09 2014-11-04 O2Micro, Inc. Circuits and methods for controlling battery management systems
US8689022B2 (en) * 2011-08-30 2014-04-01 Qualcomm Incorporated Methods of and apparatus for controlling power drawn by an appliance through a USB port
US8868893B2 (en) * 2011-12-13 2014-10-21 Active-Semi, Inc. Multi-mode power manager for power management integrated circuit
JP2013161272A (ja) * 2012-02-06 2013-08-19 Renesas Electronics Corp ダウンストリームポート制御装置、コントローラ、ダウンストリームポート制御方法及びダウンストリームポート制御プログラム
US8904217B2 (en) * 2012-03-09 2014-12-02 Google Inc. System and method for managing power consumption in a computer device
US8904054B2 (en) * 2012-03-20 2014-12-02 Sony Corporation Method and apparatus for mode switching of interface ports
US9400538B2 (en) * 2013-09-13 2016-07-26 Dell Products L.P. Information handling system docking with cable based power and video management
JP2015098096A (ja) * 2013-11-18 2015-05-28 キヤノン株式会社 画像形成装置および画像形成装置の制御方法
JP6388364B2 (ja) * 2014-03-17 2018-09-12 キヤノン株式会社 画像形成装置およびその制御方法、並びにプログラム
JP6083878B2 (ja) * 2014-04-09 2017-02-22 ノキア テクノロジーズ オーユー 電力供給の方向を決定する方法及び装置
US10127181B2 (en) * 2014-04-30 2018-11-13 Microchip Technology Incorporated Port disconnect charging function for USB hub
CN104461992B (zh) * 2014-10-31 2018-07-06 苏州达方电子有限公司 电子装置

Also Published As

Publication number Publication date
JP2018535493A (ja) 2018-11-29
EP4492199A2 (en) 2025-01-15
WO2017083831A1 (en) 2017-05-18
EP3374841B1 (en) 2024-09-04
EP4492199A3 (en) 2025-07-30
CN108139789A (zh) 2018-06-08
EP3374841A1 (en) 2018-09-19
CN113741670A (zh) 2021-12-03
EP3374841A4 (en) 2019-06-26

Similar Documents

Publication Publication Date Title
US12086013B2 (en) USB interface circuit and method for low power operation
JP6936543B2 (ja) Usbインターフェース回路および低電力動作のための方法
US7085876B2 (en) USB controlling apparatus for data transfer between computers and method for the same
TWI461891B (zh) 電源管理電路及其方法
CN102315576B (zh) 电缆内的电力分发
US20100201308A1 (en) Device and method for battery charging
EP1685496B1 (en) An interface for serial data communication
EP3623905B1 (en) Usb power delivery dead-battery control
EP2746959A1 (en) Method and apparatus pertaining to universal serial bus-based charging
JP2011258173A (ja) 省電力装置及びその省電力方法
CN105630724A (zh) 一种USB Type-C系统控制电路
CN102236405A (zh) 能够降低待机电力的信息设备以及电力的控制方法
JP2017515200A (ja) Usbハブの二重モードポートにおける切断検出のためのシステムおよび方法
US7870408B2 (en) Universal serial bus wakeup circuit
US6871252B1 (en) Method and apparatus for logical detach for a hot-plug-in data bus
JP2023040804A (ja) ポートコントローラ、電子機器
US20100257395A1 (en) Method and module for power detection and peripheral apparatus using the same
CN108513656A (zh) 控制方法、usb系统和电子装置
TWI792840B (zh) Usb晶片及其操作方法
CN116945782B (zh) 打印机及其控制方法
CN223348397U (zh) 充电装置
CN115441572A (zh) 用于控制器的电源电路和电子设备
KR20060100787A (ko) Usb 장치에서의 vbus 전력 제어 장치
TW201728023A (zh) 低耗能之通用序列匯流排集線器

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20180516

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20191030

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20191030

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20200918

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20200930

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20201222

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20210217

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20210218

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210323

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210325

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210602

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20210728

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20210824

R150 Certificate of patent or registration of utility model

Ref document number: 6936543

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250