phonerail/.claude/r2/_p1b_live.json

{
 "page": "P1B-5V",
 "parts": [
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   600,
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   0,
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   "502fe8256efc662d",
   "0819f05c4eef4c71ace90d822a990e87",
   [
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     565,
     610
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    [
     "2",
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     565,
     600
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    [
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     565,
     590
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    [
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     635,
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    [
     "5",
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     635,
     600
    ],
    [
     "6",
     "CB",
     635,
     610
    ]
   ]
  ],
  [
   "C731",
   "GRM21BR61H106KE43L",
   "GRM21BR61H106KE43L.1",
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   570,
   270,
   false,
   "60815ed3cc90953e",
   "0819f05c4eef4c71ace90d822a990e87",
   [
    [
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     540,
     590
    ],
    [
     "2",
     "2",
     540,
     550
    ]
   ]
  ],
  [
   "C732",
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   "GRM21BR61H106KE43L.1",
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   [
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     590
    ],
    [
     "2",
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     500,
     550
    ]
   ]
  ],
  [
   "C733",
   "CL05B104KO5NNNC",
   "CL05B104KO5NNNC.1",
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   "c99efe66995f4ebf",
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   [
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     550,
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    ],
    [
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     550,
     650
    ]
   ]
  ],
  [
   "L3",
   "SPM6530T-4R7M",
   "SPM6530T-4R7M.1",
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   0,
   false,
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   "0819f05c4eef4c71ace90d822a990e87",
   [
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    ],
    [
     "1",
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     625,
     470
    ]
   ]
  ],
  [
   "C734",
   "CL31A226KAHNNNE",
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   false,
   "7e723a1424168d55",
   "0819f05c4eef4c71ace90d822a990e87",
   [
    [
     "1",
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     700,
     470
    ],
    [
     "2",
     "2",
     700,
     440
    ]
   ]
  ],
  [
   "C735",
   "CL31A226KAHNNNE",
   "CL31A226KAHNNNE.1",
   750,
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   270,
   false,
   "7e723a1424168d55",
   "0819f05c4eef4c71ace90d822a990e87",
   [
    [
     "1",
     "1",
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    ],
    [
     "2",
     "2",
     750,
     440
    ]
   ]
  ],
  [
   "R706",
   "0402WGF1003TCE",
   "0402WGF1003TCE.1",
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   540,
   270,
   false,
   "76c32be0c936af87",
   "0819f05c4eef4c71ace90d822a990e87",
   [
    [
     "2",
     "2",
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    ],
    [
     "1",
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    ]
   ]
  ],
  [
   "R707",
   "0402WGF1372TCE",
   "0402WGF1372TCE.1",
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   270,
   false,
   "e80eda61a6f20410",
   "0819f05c4eef4c71ace90d822a990e87",
   [
    [
     "2",
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    ],
    [
     "1",
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     460
    ]
   ]
  ]
 ],
 "flags": [
  [
   "Power-5V",
   "+12V",
   460,
   630,
   0
  ],
  [
   "Power-5V",
   "+12V",
   690,
   640,
   0
  ],
  [
   "Ground-GND",
   "GND",
   500,
   510,
   0
  ],
  [
   "Ground-GND",
   "GND",
   564.9999999999999,
   665.0000000000001,
   180
  ],
  [
   "Ground-GND",
   "GND",
   700,
   410,
   0
  ],
  [
   "Ground-GND",
   "GND",
   860,
   390,
   0
  ]
 ],
 "ports": [
  [
   "Netport-OUT",
   "+5V",
   830,
   490,
   0
  ]
 ],
 "wires": [
  [
   500,
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  ],
  [
   539.9999999999999,
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  ],
  [
   565,
   590
  ],
  [
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  ],
  [
   500,
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  ],
  [
   460,
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  ],
  [
   460,
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  [
   460,
   590
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  [
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   550
  ],
  [
   500,
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  [
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  ],
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  [
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  [
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  ],
  [
   635,
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  ],
  [
   690,
   640
  ],
  [
   690,
   600
  ],
  [
   750,
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  ],
  [
   700,
   470
  ],
  [
   700,
   470
  ],
  [
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  ],
  [
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  ],
  [
   750,
   470
  ],
  [
   790,
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  ],
  [
   790,
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  [
   830,
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  ],
  [
   790,
   490
  ],
  [
   790,
   560
  ],
  [
   790,
   490
  ],
  [
   860,
   560
  ],
  [
   790,
   560
  ],
  [
   750,
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  ],
  [
   700,
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  ],
  [
   700,
   410
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  [
   700,
   440
  ],
  [
   860,
   460
  ],
  [
   860,
   490
  ],
  [
   900,
   490
  ],
  [
   860,
   490
  ],
  [
   900,
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  ],
  [
   900,
   490
  ],
  [
   635,
   590
  ],
  [
   900,
   590
  ],
  [
   860,
   520
  ],
  [
   860,
   490
  ],
  [
   860,
   390
  ],
  [
   860,
   420
  ],
  [
   550,
   600
  ],
  [
   565,
   600
  ],
  [
   550,
   600
  ],
  [
   550,
   470
  ],
  [
   550,
   470
  ],
  [
   625,
   470
  ],
  [
   550,
   600
  ],
  [
   550,
   610
  ],
  [
   550,
   660
  ],
  [
   550,
   650
  ],
  [
   660,
   660
  ],
  [
   550,
   660
  ],
  [
   660,
   660
  ],
  [
   660,
   610
  ],
  [
   660,
   610
  ],
  [
   635,
   610
  ]
 ],
 "texts": [
  [
   45,
   800,
   "【P1B-5V】12V→5V 辅助轨 + Hub 专用 3.3V —— 板载 USB Hub 用（§9.4 / §9.5）",
   0,
   15
  ],
  [
   45,
   175,
   "U30 LMR51430YDDCR（与 U19 同料）: Vref 0.6V, R706/R707=100k/13.7k -> 4.98V",
   0,
   11
  ],
  [
   45,
   157,
   "L3 = SPM6530T-4R7M（与 L1~L5 同料）: 1.1MHz 下 ΔIL=0.56A, 2A 负载峰值 2.28A << Isat 6.2A",
   0,
   11
  ],
  [
   45,
   139,
   "负载：正常 <0.5A（关充电后手机基本不从 VBUS 取电）；最坏 2.8A（五路 input_suspend 全失效）",
   0,
   11
  ],
  [
   45,
   121,
   "U31 AMS1117-3.3 只给 U32 供电：Hub 满配 5 口约 420mA，挂不到 U19 那条 0.5A 控制轨上",
   0,
   11
  ],
  [
   45,
   103,
   "U31 耗散 0.42A×1.7V≈0.71W —— PCB 上 SOT-223 必须铺铜散热（§10）",
   0,
   11
  ]
 ],
 "nRect": 0,
 "nPoly": 0
}