R2：底板 / 刀片布局布线脚本、快照、截图与规划文档更新（含外壳、打印件、布线归档）

Co-Authored-By: Claude Opus 5.5 <[email protected]>

.claude/eda-parts.json

@@ -74,6 +74,13 @@
    "fp": "R0402",
    "role": "R 100k 0402 — Buck RT(→480kHz) / EFUSE_EN 下拉 / 反相器上拉 / 按键栅极下拉"
   },
+  "C26083": {
+   "name": "0402WGF1004TCE",
+   "uuid": "512988296f6244ad86a0777e419ee0f1",
+   "lib": "0819f05c4eef4c71ace90d822a990e87",
+   "fp": "R0402",
+   "role": "R 1M 0402 — USB2517 晶振 XTAL1–XTAL2 跨接（检查清单 p9 required；R2 底板 R723）"
+  },
   "C25744": {
    "name": "0402WGF1002TCE",
    "uuid": "c3b9baa5ef2e4070a4c0f9e9cd04fe6e",
@@ -254,7 +261,7 @@
    "uuid": "ebc5227ec05f4bcbbb5581e49a5f7cc6",
    "lib": "0819f05c4eef4c71ace90d822a990e87",
    "fp": "WIRELM-SMD_ESP32-S3-WROOM-1",
-   "role": "U20 ESP32-S3-WROOM-1"
+   "role": "U20 ESP32-S3-WROOM-1 —— ⚠ 2026-09-13 起作废，改用 C2913202（N16R8）"
   },
   "C29402": {
    "name": "0402WGF3012TCE",
@@ -682,6 +689,69 @@
    "lib": "0819f05c4eef4c71ace90d822a990e87",
    "fp": "1206",
    "role": "刀片 B1-POWER 的 F1：**2A 慢断**贴片保险丝（AEM，SB = Slow Blow），1206 / 63V / 分断 50A / 熔断 I²t = 0.63 A²s。2026-09-08 结掉 T7，取代同封装的 10A 占位件 C310989（F1206HC10A0TM）。⚠ **封装 uuid 与占位件不同**（bceff889… vs 66116fae…，10A/150A 分断那颗焊盘更大），刀片 PCB 还没布（M4），所以无影响；原理图侧的导线是按读回引脚坐标算的，自动跟随。⚠ 刀片满载约 1.45 A（16 W 手机 ÷ 92% ÷ 12 V）= 额定的 73%，正压在保险丝「连续 ≤75%」的降额线上，机箱内 40~50 ℃ 还要再降 ——要更大裕量就换 F1206SB2500V032TM（C310999，2.5A/32V/I²t 0.9）。⚠ 别和底板那两颗混：底板 F1 是 C310990 F1206HC12A0TM（12A，整机 9.99 A）。"
+  },
+  "C42459160": {
+   "name": "CH224A",
+   "uuid": "5dc78bb926494e428829ff56caa7e80c",
+   "lib": "0819f05c4eef4c71ace90d822a990e87",
+   "fp": "ESSOP-10_L4.9-W3.9-P1.0-LS6.0-TL-EP",
+   "role": "R2 底板 U36（D16，A1B-PD）USB-C PD 取电芯片 CH224A。单电阻 CFG1=120k ⇒ 20V；CFG2/CFG3 = I²C 0x22/0x23（内置 10k 上拉）。rot0 引脚：左 1VHV(-60,15) 2SCL(-60,5) 3SDA(-60,-5) 4DP(-60,-15) 5DM(-60,-25)；右 6CC2(60,-25) 7CC1(60,-15) 8VBUS(60,-5) 9CFG1(60,5) 10PG(60,15)；11GND(10,35)"
+  },
+  "C3188410": {
+   "name": "LM61495QRPHRQ1",
+   "uuid": "6decf77d68044058a0459100093f7c4d",
+   "lib": "0819f05c4eef4c71ace90d822a990e87",
+   "fp": "VQFN-16_L4.5-W3.5-P0.50-TL_TI_RPH",
+   "role": "R2 底板 U37（D16）20V→12V 10A 降压，可调 VFB=1.0V，VIN 3~36V。rot0 引脚：左 3RBOOT(-65,65) 10RESET#(-65,55) 9RT(-65,45) 11SPSP(-65,15) 16SW(-65,5) 12SYNC(-65,-5) 5BIAS(-65,-35) 4CBOOT(-65,-45) 13EN(-65,-55) 7FB(-65,-65)；右 1PGND2(65,-65) 15PGND1(65,-55) 8AGND(65,-45) 2VIN2(65,25) 14VIN1(65,35) 6VCC(65,65)。脚位兼容 LM61480RPHR（C3198089，8A）"
+  },
+  "C780205": {
+   "name": "SRP1265A-4R7M",
+   "uuid": "e7654e742e404207b9ac28f93c340777",
+   "lib": "0819f05c4eef4c71ace90d822a990e87",
+   "fp": "IND-SMD_L12.6-W12.5-SRP1265A-220M",
+   "role": "R2 底板 L4（D16）4.7µH / Isat 28A / Irms 13.5A / 8.4mΩ，12.6×12.5。rot0 横放 ±20"
+  },
+  "C151920": {
+   "name": "SMBJ22A",
+   "uuid": "dfc1d66dcd0045e58f8d92cbba05375c",
+   "lib": "0819f05c4eef4c71ace90d822a990e87",
+   "fp": "SMB_L4.6-W3.6-LS5.3-RD",
+   "role": "R2 底板 D3（D16）20V 母线 TVS，VRWM 22V / VBR 24.4V。rot0：1K(-20,0) 2A(20,0)"
+  },
+  "C28323": {
+   "name": "CL21B105KBFNNNE",
+   "uuid": "89c7d63b9d074e6dae4b7baf00fed93b",
+   "lib": "0819f05c4eef4c71ace90d822a990e87",
+   "fp": "C0805",
+   "role": "MLCC 1µF/50V 0805 —— R2 底板 C12（CH224A 的 VHV）。rot0 横放 ±15"
+  },
+  "C307331": {
+   "name": "CL05B104KB54PNC",
+   "uuid": "33dbcd8e8b3241828899bb3c808db9eb",
+   "lib": "0819f05c4eef4c71ace90d822a990e87",
+   "fp": "C0402",
+   "role": "MLCC 100nF/50V X7R 0402 —— R2 底板 C19/C20（LM61495 两对 VIN/PGND 的高频旁路，20V 母线上不能用 16V 的 C1525）"
+  },
+  "C25745": {
+   "name": "0402WGF1103TCE",
+   "uuid": "e96454f8538644d196025c43c4d56290",
+   "lib": "0819f05c4eef4c71ace90d822a990e87",
+   "fp": "R0402",
+   "role": "R 110k 0402 —— R2 底板 R10（LM61495 FB 上臂，配 10k ⇒ 12.0V）"
+  },
+  "C25750": {
+   "name": "0402WGF1203TCE",
+   "uuid": "eb58863ce37241feb2f2def9c725cac0",
+   "lib": "0819f05c4eef4c71ace90d822a990e87",
+   "fp": "R0402",
+   "role": "R 120k 0402 —— R2 底板 R7（CH224A 单电阻配置 ⇒ 请求 20V）"
+  },
+  "C2913202": {
+   "name": "ESP32-S3-WROOM-1-N16R8",
+   "uuid": "701a1177d7184d1bbf7f86d69d9385c2",
+   "lib": "0819f05c4eef4c71ace90d822a990e87",
+   "fp": "WIRELM-SMD_ESP32-S3-WROOM-1",
+   "role": "U20 ESP32-S3-WROOM-1-N16R8（2026-09-13 定版）。16MB [email protected] + 8MB 八线 PSRAM：IO35/36/37 被占用不可接；IO45 必须悬空/下拉（VDD_SPI=3.3V）。U20 实例是改属性换的料，符号仍是旧器件的符号（脚名脚号一致）"
   }
  },
  "schematic_boards": {