USB PD で迎える AC アダプター大統一時代

新年会議2023 @ Ryoutei 座・スタジアム

Transcript

1. 2023 @ Ryoutei
   USB PD AC
   @puhitaku
   

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2. 2
   Takumi Sueda @puhitaku
   
   
   
   
   HOMMA
   

   Inc.
   

   
   
   
   
   
   
   3
   D
   
   
   
   
   
   
   
   
   
   
   

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3. Linux Linux 2 3
   3
   

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5. AC
   5
   

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6. 🤢
   6
   

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7. 🤢
   7
   

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8. USB PD AC
   
   
   

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11. AC
    
    
    

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12. USB PD
    

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13. USB PD
    USB 5V
    
    
    USB Type-C USB PD Revision
    2
    .
    0
    USB 5V
    1 2
    
    (Programmable Power Supply)
    
    
    : 5V,
    9
    V,
    12
    V,
    15
    V,
    20
    V
    
    
    : 3.3V 21V 20mV
    
    
    Revision
    3
    .
    0
    Type-C
    3
    PD Power Delivery
    13
    1
    Qualcomm Quick Charge OPPO VOOC USB-IF
    
    
    2
    Rev.
    1
    .
    0
    Vbus Type-A/B
    
    
    3
    Type-C CC Vbus Type-A/B
    Photo by Pierre Lecourt CC BY-NC-SA
    2
    .
    0
    

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15. USB Type-C DC
    
    
    PD IC
    
    
    eMarker 5A
    3A 20V
    5
    A =
    100
    W
    PD
    15
    

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16. PD
    

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17. PD
    USB 30
    
    
    13
    
    
    DC
    
    
    PPS
    17
    Nintendo Wii: 12V
    : 12V
    3
    A
    Nintendo
    6
    4
    :
    12
    V 3.3V : 12V
    

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18. PD
    

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19. PD
    
    
    PD 12V optional 12V
    PD
    
    
    12V PPS
    
    
    :
    
    
    WITRN U
    3
    19
    TEPRA PD PPS
    1 1
    V
    

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20. PD
    

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21. PD
    PD EPR - Extended Power Range
    
    
    48V
    5
    A =
    240
    W
    
    
    : MacBook Pro (
    16
    -inch,
    202
    1
    )
    
    
    EPR AVS (Adjustable
    Voltage Supply) 100W
    2
    40
    W
    
    
    5V
    20
    V SPR (Standard
    Power Range)
    
    
    SPR + PPS EPR + AVS
    21
    EPR
    

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22. 
    
    AC
    
    
    
    
    

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23. USB Power Delivery | USB-IF
    

    http:
    //
    bit.ly/3Rfh9VD
    

    https:
    //
    www.usb.org/document-library/usb-power-delivery
    
    
    USB 6 USB USB PD - @IT
    

    http:
    //
    bit.ly/3j4LoSN
    

    https:
    //
    atmarkit.itmedia.co.jp/ait/articles/1812/14/news027.html
    23
    

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