CA2560502C - Circuit et methode d'utilisation d'une alimentation a vitesse de charge adaptable - Google Patents

Circuit et methode d'utilisation d'une alimentation a vitesse de charge adaptable Download PDF

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Publication number
CA2560502C
CA2560502C CA002560502A CA2560502A CA2560502C CA 2560502 C CA2560502 C CA 2560502C CA 002560502 A CA002560502 A CA 002560502A CA 2560502 A CA2560502 A CA 2560502A CA 2560502 C CA2560502 C CA 2560502C
Authority
CA
Canada
Prior art keywords
battery
voltage
battery charge
current
charge controller
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.)
Expired - Lifetime
Application number
CA002560502A
Other languages
English (en)
Other versions
CA2560502A1 (fr
Inventor
Dusan Veselic
Michael F. Habicher
Jacek S. Idzik
Jonathan T. Malton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BlackBerry Ltd
Original Assignee
Research in Motion Ltd
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
Application filed by Research in Motion Ltd filed Critical Research in Motion Ltd
Publication of CA2560502A1 publication Critical patent/CA2560502A1/fr
Application granted granted Critical
Publication of CA2560502C publication Critical patent/CA2560502C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1632—External expansion units, e.g. docking stations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F1/266—Arrangements 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
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/30—Charge provided using DC bus or data bus of a computer

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Power Sources (AREA)

Abstract

Un noud d'alimentation intégral d'un bus de données informatique, tel qu'un port USB (bus série universel), constitue une source commode de courant de charge pour des appareils de communication mobiles. Malheureusement, les ports USB ont une capacité limitée en alimentation électrique, ce qui les rend généralement incompatibles avec les contrôleurs de charge de batterie (CCB) qui sont conçus pour recevoir une entrée constante et de haute capacité. L'invention comporte un circuit de charge qui s'ajuste aux paramètres d'un bloc d'alimentation externe, tel qu'un port USB, en ajoutant un circuit de régulation à un CCB de conception standard. Ce circuit de régulation maximise le courant tiré par le CCB, tout en gardant la tension du CCB au-dessus d'un minimum prédéfini (la tension inférieure de coupure du CCB). Si la tension au CBB commence à baisser, le circuit de régulation réduit le courant tiré, de sorte que la tension augmente et demeure dans la plage opérationnelle du CCB.
CA002560502A 2003-02-21 2003-02-21 Circuit et methode d'utilisation d'une alimentation a vitesse de charge adaptable Expired - Lifetime CA2560502C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002419497A CA2419497C (fr) 2003-02-21 2003-02-21 Circuit et methode d'utilisation d'une alimentation a vitesse de charge adaptable

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002419497A Division CA2419497C (fr) 2003-02-21 2003-02-21 Circuit et methode d'utilisation d'une alimentation a vitesse de charge adaptable

Publications (2)

Publication Number Publication Date
CA2560502A1 CA2560502A1 (fr) 2004-08-21
CA2560502C true CA2560502C (fr) 2008-06-03

Family

ID=32855081

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002560502A Expired - Lifetime CA2560502C (fr) 2003-02-21 2003-02-21 Circuit et methode d'utilisation d'une alimentation a vitesse de charge adaptable
CA002419497A Expired - Lifetime CA2419497C (fr) 2003-02-21 2003-02-21 Circuit et methode d'utilisation d'une alimentation a vitesse de charge adaptable

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002419497A Expired - Lifetime CA2419497C (fr) 2003-02-21 2003-02-21 Circuit et methode d'utilisation d'une alimentation a vitesse de charge adaptable

Country Status (1)

Country Link
CA (2) CA2560502C (fr)

Also Published As

Publication number Publication date
CA2560502A1 (fr) 2004-08-21
CA2419497C (fr) 2006-12-12
CA2419497A1 (fr) 2004-08-21

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MKEX Expiry

Effective date: 20230221