CA3020739C - Adaptively controlling drive strength of multiplexed power from supply power rails in a power multiplexing system to a powered circuit - Google Patents

Adaptively controlling drive strength of multiplexed power from supply power rails in a power multiplexing system to a powered circuit Download PDF

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Publication number
CA3020739C
CA3020739C CA3020739A CA3020739A CA3020739C CA 3020739 C CA3020739 C CA 3020739C CA 3020739 A CA3020739 A CA 3020739A CA 3020739 A CA3020739 A CA 3020739A CA 3020739 C CA3020739 C CA 3020739C
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CA
Canada
Prior art keywords
power rail
voltage
supply
output
drive strength
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
CA3020739A
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English (en)
French (fr)
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CA3020739A1 (en
Inventor
Shraddha Sridhar
Yeshwant Nagaraj Kolla
Neel Shashank Natekar
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Qualcomm Inc
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Qualcomm Inc
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Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA3020739A1 publication Critical patent/CA3020739A1/en
Application granted granted Critical
Publication of CA3020739C publication Critical patent/CA3020739C/en
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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3296—Power saving characterised by the action undertaken by lowering the supply or operating voltage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/0008—Arrangements for reducing power consumption
    • H03K19/0016—Arrangements for reducing power consumption by using a control or a clock signal, e.g. in order to apply power supply
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
    • G11C5/147—Voltage reference generators, voltage or current regulators; Internally lowered supply levels; Compensation for voltage drops
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J4/00—Circuit arrangements for mains or distribution networks not specified as AC or DC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/003—Modifications for increasing the reliability for protection
    • H03K19/00369—Modifications for compensating variations of temperature, supply voltage or other physical parameters
    • H03K19/00384—Modifications for compensating variations of temperature, supply voltage or other physical parameters in field effect transistor circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for DC mains or DC distribution networks
    • H02J1/08—Three-wire systems; Systems having more than three wires
    • H02J1/082—Plural DC voltage, e.g. DC supply voltage with at least two different DC voltage levels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Power Sources (AREA)
  • Static Random-Access Memory (AREA)
  • Dc-Dc Converters (AREA)
  • Electronic Switches (AREA)
  • Control Of Voltage And Current In General (AREA)
CA3020739A 2016-05-27 2017-05-15 Adaptively controlling drive strength of multiplexed power from supply power rails in a power multiplexing system to a powered circuit Active CA3020739C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201662342560P 2016-05-27 2016-05-27
US62/342,560 2016-05-27
US201762459187P 2017-02-15 2017-02-15
US62/459,187 2017-02-15
US15/593,809 US10684671B2 (en) 2016-05-27 2017-05-12 Adaptively controlling drive strength of multiplexed power from supply power rails in a power multiplexing system to a powered circuit
US15/593,809 2017-05-12
PCT/US2017/032632 WO2017205096A1 (en) 2016-05-27 2017-05-15 Adaptively controlling drive strength of multiplexed power from supply power rails in a power multiplexing system to a powered circuit

Publications (2)

Publication Number Publication Date
CA3020739A1 CA3020739A1 (en) 2017-11-30
CA3020739C true CA3020739C (en) 2022-06-21

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Application Number Title Priority Date Filing Date
CA3020739A Active CA3020739C (en) 2016-05-27 2017-05-15 Adaptively controlling drive strength of multiplexed power from supply power rails in a power multiplexing system to a powered circuit

Country Status (10)

Country Link
US (1) US10684671B2 (enExample)
EP (1) EP3465913B1 (enExample)
JP (1) JP6956743B2 (enExample)
KR (1) KR102194128B1 (enExample)
CN (1) CN109075789B (enExample)
BR (1) BR112018074342B1 (enExample)
CA (1) CA3020739C (enExample)
ES (1) ES2868626T3 (enExample)
TW (1) TWI709298B (enExample)
WO (1) WO2017205096A1 (enExample)

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Also Published As

Publication number Publication date
US10684671B2 (en) 2020-06-16
CN109075789A (zh) 2018-12-21
KR20190010569A (ko) 2019-01-30
TWI709298B (zh) 2020-11-01
ES2868626T3 (es) 2021-10-21
BR112018074342B1 (pt) 2024-01-09
EP3465913B1 (en) 2021-03-17
KR102194128B1 (ko) 2020-12-22
TW201813310A (zh) 2018-04-01
EP3465913A1 (en) 2019-04-10
JP6956743B2 (ja) 2021-11-02
WO2017205096A1 (en) 2017-11-30
CN109075789B (zh) 2022-06-17
CA3020739A1 (en) 2017-11-30
BR112018074342A2 (pt) 2019-03-06
US20170346299A1 (en) 2017-11-30
JP2019517705A (ja) 2019-06-24

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