abse/dual-usb-peltier-assembly

A USB‑C PD Peltier controller PCB combining RP2040 control, adjustable buck‑boost TEC power, temperature sensing, fan regulation, USB programming, protection, status LEDs, and external accessory hardware.

Version
0.4.6
License
unset
Stars
0

docs/jlc-stock-audit.json

{
  "audit_recorded_at_utc": "2026-10-14T12:12:53Z",
  "observed_date_local": "2026-10-14",
  "timezone": "Asia/Kolkata",
  "observation_window_utc": {
    "first": "2026-10-14T12:08:16Z",
    "last": "2026-10-14T12:08:44Z"
  },
  "scope": "Fresh direct public JLCPCB product-page componentInfo payloads matched to every purchased PCB part in the rendered inventory. Copper test pads and native external accessories are excluded. Positive stock is not a reservation, purchase, quote, or final PCBA assembly qualification; final BOM quantities, attrition and through-hole service must be confirmed at order time.",
  "inventory_sha256": "4c696fe302a953ecbae2b9e88d243c2c0d1fa76fc7e452840901d7a79f1927dd",
  "unique_parts": 54,
  "placements": 134,
  "source_components": 161,
  "pcb_features": [
    "TP_3V3",
    "TP_5V",
    "TP_BOOTSEL",
    "TP_EN",
    "TP_GND",
    "TP_ISN",
    "TP_ISP",
    "TP_OUT",
    "TP_QUAL_PD",
    "TP_RAW_PD",
    "TP_RUN",
    "TP_SCL",
    "TP_SDA",
    "TP_SWCLK",
    "TP_SWDIO",
    "TP_TEC"
  ],
  "external_accessories": [
    "COLD_PROBE",
    "COLD_PROBE_CABLE",
    "FAN_CABLE",
    "FAN_DEFAULT",
    "HOT_PROBE",
    "HOT_PROBE_CABLE",
    "TEC_DEFAULT",
    "TEC_NEG_LEAD",
    "TEC_POS_LEAD",
    "USB_PD_CABLE",
    "USB_PROGRAM_CABLE"
  ],
  "result": {
    "exact_code_and_mpn_matches": 54,
    "positive_public_stock": 54,
    "positive_orderable_quantity": 54,
    "buy_flag_1_and_allow_post_true": 54,
    "five_board_exposed_quantity_checks_passed": 54,
    "five_board_check_formula": "canPresaleNumber >= max(5 * quantity_per_board + lossNumber, leastPatchNumber); a comparison of exposed quantities, not a final quote.",
    "tightest_orderable_part": {
      "code": "C2871822",
      "mpn": "LMR50410Y5FQDBVRQ1",
      "public_stock": 49,
      "orderable_quantity": 16,
      "quantity_per_board": 1,
      "lossNumber": 0,
      "leastPatchNumber": 0,
      "five_board_exposed_requirement": 5
    },
    "zero_stock_or_zero_orderable_codes": [],
    "mpn_mismatch_codes": [],
    "purchase_flag_blocks": []
  },
  "field_interpretation_limits": {
    "overseasStockCount": "Public catalog stock, recorded separately from canPresaleNumber; positive catalog stock alone does not pass the check.",
    "canPresaleNumber": "Public-page quantity available to order; counts can change and have not been reserved.",
    "preMinPurchaseNum": "Raw public metadata retained without assuming that it is the minimum for this stocked PCBA order. No final purchase or assembly quote has been obtained.",
    "lossNumber_and_leastPatchNumber": "Raw displayed loss and assembly minimum used in the explicit five-board quantity comparison. Checkout may impose other service conditions.",
    "assemblyComponentFlag": "All 54 raw values are false despite buy flag 1 and allowPostFlag true. Its semantics were not established; this raw value is not interpreted as either assembly acceptance or rejection.",
    "unavailable_fields_all_54": {
      "miniNumLimit": "$undefined",
      "minPurchaseNum": null,
      "manufacturerBlackFlag": null
    },
    "primary_assembly_policy_context": "https://jlcpcb.com/help/article/pcb-assembly-faqs-part-2"
  },
  "inventory_sha256_scope": "SHA-256 of purchased inventory sorted by code; each record contains code, manufacturer_part_number, sorted designators and quantity_per_board, serialized as JSON with sorted keys and compact separators. Excludes CAD-only accessories and generated circuit IDs.",
  "parts": [
    {"code": "C106218", "requested_mpn": "CC0603KRX7R9BB472", "url": "https://jlcpcb.com/partdetail/CC0603KRX7R9BB472/C106218", "componentCode": "C106218", "componentModelEn": "CC0603KRX7R9BB472", "componentBrandEn": "YAGEO", "componentSpecificationEn": "0603", "overseasStockCount": 2506302, "canPresaleNumber": 2472848, "preMinPurchaseNum": 1671, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "expand", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:16Z", "designators": ["C_COMP_ZERO"], "quantity_per_board": 1},
    {"code": "C106858", "requested_mpn": "CC0603KRX7R8BB105", "url": "https://jlcpcb.com/partdetail/CC0603KRX7R8BB105/C106858", "componentCode": "C106858", "componentModelEn": "CC0603KRX7R8BB105", "componentBrandEn": "YAGEO", "componentSpecificationEn": "0603", "overseasStockCount": 229946, "canPresaleNumber": 186264, "preMinPurchaseNum": 443, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "expand", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:16Z", "designators": ["C_LDO_IN", "C_LDO_OUT", "C_LOGIC_MUX_OUT", "C_PD_3V3", "C_PD_CORE", "C_PROGRAM_IN", "C_VREG_IN", "C_VREG_OUT"], "quantity_per_board": 8},
    {"code": "C107033", "requested_mpn": "CC0603JRNPO0BN101", "url": "https://jlcpcb.com/partdetail/CC0603JRNPO0BN101/C107033", "componentCode": "C107033", "componentModelEn": "CC0603JRNPO0BN101", "componentBrandEn": "YAGEO", "componentSpecificationEn": "0603", "overseasStockCount": 1213196, "canPresaleNumber": 1197944, "preMinPurchaseNum": 894, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "expand", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:16Z", "designators": ["C_COMP_POLE"], "quantity_per_board": 1},
    {"code": "C107083", "requested_mpn": "CC0603KRX7R9BB224", "url": "https://jlcpcb.com/partdetail/CC0603KRX7R9BB224/C107083", "componentCode": "C107083", "componentModelEn": "CC0603KRX7R9BB224", "componentBrandEn": "YAGEO", "componentSpecificationEn": "0603", "overseasStockCount": 392325, "canPresaleNumber": 367760, "preMinPurchaseNum": 759, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "expand", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:16Z", "designators": ["C_CURRENT_FILTER"], "quantity_per_board": 1},
    {"code": "C125847", "requested_mpn": "CC0805KKX7R9BB225", "url": "https://jlcpcb.com/partdetail/CC0805KKX7R9BB225/C125847", "componentCode": "C125847", "componentModelEn": "CC0805KKX7R9BB225", "componentBrandEn": "YAGEO", "componentSpecificationEn": "0805", "overseasStockCount": 86510, "canPresaleNumber": 76010, "preMinPurchaseNum": 77, "lossNumber": 6, "leastPatchNumber": 20, "componentLibraryType": "expand", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:18Z", "designators": ["C_AUX_IN"], "quantity_per_board": 1},
    {"code": "C14663", "requested_mpn": "CC0603KRX7R9BB104", "url": "https://jlcpcb.com/partdetail/CC0603KRX7R9BB104/C14663", "componentCode": "C14663", "componentModelEn": "CC0603KRX7R9BB104", "componentBrandEn": "YAGEO", "componentSpecificationEn": "0603", "overseasStockCount": 51799397, "canPresaleNumber": 34884548, "preMinPurchaseNum": 852, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "base", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:18Z", "designators": ["C_ADC_AVDD", "C_AUX_BOOT", "C_AUX_HF", "C_COLD_SENSOR", "C_DRIVER_BOOT1", "C_DRIVER_BOOT2", "C_DRIVER_EN", "C_DRIVER_INPUT_HF", "C_DRIVER_OUTPUT_HF", "C_DRIVER_VCC_HF", "C_DVDD23", "C_DVDD50", "C_FAN_BOOT", "C_FAN_IN_HF", "C_FLASH", "C_HOT_SENSOR", "C_IOVDD1", "C_IOVDD10", "C_IOVDD22", "C_IOVDD33", "C_IOVDD42", "C_IOVDD49", "C_I_ADC", "C_MCU_RUN", "C_PD_3V3_HF1", "C_PD_3V3_HF2", "C_PD_ADC", "C_PD_VBUS", "C_PROGRAM_ESD", "C_PROGRAM_SENSE", "C_USB_VDD", "C_V_ADC"], "quantity_per_board": 32},
    {"code": "C15850", "requested_mpn": "CL21A106KAYNNNE", "url": "https://jlcpcb.com/partdetail/CL21A106KAYNNNE/C15850", "componentCode": "C15850", "componentModelEn": "CL21A106KAYNNNE", "componentBrandEn": "Samsung Electro-Mechanics", "componentSpecificationEn": "0805", "overseasStockCount": 3868124, "canPresaleNumber": 2869217, "preMinPurchaseNum": 131, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "base", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:18Z", "designators": ["C_AUX_OUT", "C_DRIVER_VCC", "C_MCU_BULK"], "quantity_per_board": 3},
    {"code": "C16072", "requested_mpn": "AO4407A", "url": "https://jlcpcb.com/partdetail/AO4407A/C16072", "componentCode": "C16072", "componentModelEn": "AO4407A", "componentBrandEn": "Alpha & Omega Semicon", "componentSpecificationEn": "SOIC-8", "overseasStockCount": 15520, "canPresaleNumber": 15288, "preMinPurchaseNum": 26, "lossNumber": 0, "leastPatchNumber": 0, "componentLibraryType": "expand", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:19Z", "designators": ["Q_INPUT", "Q_REVERSE"], "quantity_per_board": 2},
    {"code": "C164071", "requested_mpn": "OVZ101M1ETR-0606", "url": "https://jlcpcb.com/partdetail/OVZ101M1ETR-0606/C164071", "componentCode": "C164071", "componentModelEn": "OVZ101M1ETR-0606", "componentBrandEn": "Lelon", "componentSpecificationEn": "SMD,D6.3xL5.9mm", "overseasStockCount": 21688, "canPresaleNumber": 21078, "preMinPurchaseNum": 43, "lossNumber": 0, "leastPatchNumber": 2, "componentLibraryType": "expand", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:21Z", "designators": ["C_TEC_BULK"], "quantity_per_board": 1},
    {"code": "C1644", "requested_mpn": "CL10C150JB8NNNC", "url": "https://jlcpcb.com/partdetail/CL10C150JB8NNNC/C1644", "componentCode": "C1644", "componentModelEn": "CL10C150JB8NNNC", "componentBrandEn": "Samsung Electro-Mechanics", "componentSpecificationEn": "0603", "overseasStockCount": 811173, "canPresaleNumber": 618127, "preMinPurchaseNum": 1026, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "base", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:21Z", "designators": ["C_XIN", "C_XOUT"], "quantity_per_board": 2},
    {"code": "C192580", "requested_mpn": "RLM25FEER010", "url": "https://jlcpcb.com/partdetail/RLM25FEER010/C192580", "componentCode": "C192580", "componentModelEn": "RLM25FEER010", "componentBrandEn": "TA-I Tech", "componentSpecificationEn": "2512", "overseasStockCount": 63892, "canPresaleNumber": 63205, "preMinPurchaseNum": 173, "lossNumber": 4, "leastPatchNumber": 5, "componentLibraryType": "expand", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:21Z", "designators": ["R_SENSE"], "quantity_per_board": 1},
    {"code": "C2040", "requested_mpn": "RP2040", "url": "https://jlcpcb.com/partdetail/RP2040/C2040", "componentCode": "C2040", "componentModelEn": "RP2040", "componentBrandEn": "Raspberry Pi", "componentSpecificationEn": "LQFN-56(7x7)", "overseasStockCount": 54552, "canPresaleNumber": 49225, "preMinPurchaseNum": 10, "lossNumber": 0, "leastPatchNumber": 0, "componentLibraryType": "expand", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:21Z", "designators": ["U_MCU"], "quantity_per_board": 1},
    {"code": "C20526", "requested_mpn": "MMBT3904(RANGE:100-300)", "url": "https://jlcpcb.com/partdetail/MMBT3904%28RANGE%3A100-300%29/C20526", "componentCode": "C20526", "componentModelEn": "MMBT3904(RANGE:100-300)", "componentBrandEn": "Jiangsu Changjing Electronics Technology Co., Ltd.", "componentSpecificationEn": "SOT-23", "overseasStockCount": 562245, "canPresaleNumber": 450048, "preMinPurchaseNum": 981, "lossNumber": 5, "leastPatchNumber": 10, "componentLibraryType": "base", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:22Z", "designators": ["Q_MCU_KILL", "Q_PD_FAULT"], "quantity_per_board": 2},
    {"code": "C20625731", "requested_mpn": "ABM8-272-T3", "url": "https://jlcpcb.com/partdetail/ABM8-272-T3/C20625731", "componentCode": "C20625731", "componentModelEn": "ABM8-272-T3", "componentBrandEn": "Abracon LLC", "componentSpecificationEn": "SMD3225-4P", "overseasStockCount": 6979, "canPresaleNumber": 6060, "preMinPurchaseNum": 18, "lossNumber": 0, "leastPatchNumber": 5, "componentLibraryType": "expand", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:23Z", "designators": ["Y_MCU"], "quantity_per_board": 1},
    {"code": "C21190", "requested_mpn": "0603WAF1001T5E", "url": "https://jlcpcb.com/partdetail/0603WAF1001T5E/C21190", "componentCode": "C21190", "componentModelEn": "0603WAF1001T5E", "componentBrandEn": "UNI-ROYAL(Uniroyal Elec)", "componentSpecificationEn": "0603", "overseasStockCount": 24818526, "canPresaleNumber": 18486183, "preMinPurchaseNum": 5000, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "base", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:24Z", "designators": ["R_BOOTSEL", "R_DC_SENSE", "R_GATE", "R_I_ADC", "R_KILL_DRIVE", "R_LED_FAULT", "R_LED_POWER", "R_LED_RUN", "R_XOUT"], "quantity_per_board": 9},
    {"code": "C21397", "requested_mpn": "GRM32ER71E226KE15L", "url": "https://jlcpcb.com/partdetail/GRM32ER71E226KE15L/C21397", "componentCode": "C21397", "componentModelEn": "GRM32ER71E226KE15L", "componentBrandEn": "Murata Electronics", "componentSpecificationEn": "1210", "overseasStockCount": 59099, "canPresaleNumber": 48145, "preMinPurchaseNum": 25, "lossNumber": 0, "leastPatchNumber": 5, "componentLibraryType": "expand", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:23Z", "designators": ["C_DRIVER_OUT1", "C_DRIVER_OUT2", "C_DRIVER_OUT3", "C_DRIVER_OUT4", "C_FAN_OUT1", "C_FAN_OUT2"], "quantity_per_board": 6},
    {"code": "C22775", "requested_mpn": "0603WAF1000T5E", "url": "https://jlcpcb.com/partdetail/0603WAF1000T5E/C22775", "componentCode": "C22775", "componentModelEn": "0603WAF1000T5E", "componentBrandEn": "UNI-ROYAL(Uniroyal Elec)", "componentSpecificationEn": "0603", "overseasStockCount": 11427581, "canPresaleNumber": 9319495, "preMinPurchaseNum": 4512, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "base", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:24Z", "designators": ["R_COLD_SERIES", "R_HOT_SERIES"], "quantity_per_board": 2},
    {"code": "C22795", "requested_mpn": "0603WAF1303T5E", "url": "https://jlcpcb.com/partdetail/0603WAF1303T5E/C22795", "componentCode": "C22795", "componentModelEn": "0603WAF1303T5E", "componentBrandEn": "UNI-ROYAL(Uniroyal Elec)", "componentSpecificationEn": "0603", "overseasStockCount": 562005, "canPresaleNumber": 507243, "preMinPurchaseNum": 5000, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "expand", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:25Z", "designators": ["R_DRIVER_EN_TOP"], "quantity_per_board": 1},
    {"code": "C22807", "requested_mpn": "0603WAF1503T5E", "url": "https://jlcpcb.com/partdetail/0603WAF1503T5E/C22807", "componentCode": "C22807", "componentModelEn": "0603WAF1503T5E", "componentBrandEn": "UNI-ROYAL(Uniroyal Elec)", "componentSpecificationEn": "0603", "overseasStockCount": 1077591, "canPresaleNumber": 931976, "preMinPurchaseNum": 5000, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "base", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:25Z", "designators": ["R_PD_ADC_TOP"], "quantity_per_board": 1},
    {"code": "C22809", "requested_mpn": "0603WAF1502T5E", "url": "https://jlcpcb.com/partdetail/0603WAF1502T5E/C22809", "componentCode": "C22809", "componentModelEn": "0603WAF1502T5E", "componentBrandEn": "UNI-ROYAL(Uniroyal Elec)", "componentSpecificationEn": "0603", "overseasStockCount": 4233191, "canPresaleNumber": 3853561, "preMinPurchaseNum": 4102, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "base", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:26Z", "designators": ["R_PROGRAM_SENSE_TOP"], "quantity_per_board": 1},
    {"code": "C22859", "requested_mpn": "0603WAF100JT5E", "url": "https://jlcpcb.com/partdetail/0603WAF100JT5E/C22859", "componentCode": "C22859", "componentModelEn": "0603WAF100JT5E", "componentBrandEn": "UNI-ROYAL(Uniroyal Elec)", "componentSpecificationEn": "0603", "overseasStockCount": 6258449, "canPresaleNumber": 5062071, "preMinPurchaseNum": 4102, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "base", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:26Z", "designators": ["R_ISN_FILTER", "R_ISP_FILTER"], "quantity_per_board": 2},
    {"code": "C2286", "requested_mpn": "KT-0603R", "url": "https://jlcpcb.com/partdetail/KT-0603R/C2286", "componentCode": "C2286", "componentModelEn": "KT-0603R", "componentBrandEn": "Hubei KENTO Elec", "componentSpecificationEn": "0603", "overseasStockCount": 7932370, "canPresaleNumber": 7282334, "preMinPurchaseNum": 1556, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "base", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:27Z", "designators": ["LED_FAULT"], "quantity_per_board": 1},
    {"code": "C2287", "requested_mpn": "KT-0603Y", "url": "https://jlcpcb.com/partdetail/KT-0603Y/C2287", "componentCode": "C2287", "componentModelEn": "KT-0603Y", "componentBrandEn": "Hubei KENTO Elec", "componentSpecificationEn": "0603", "overseasStockCount": 135841, "canPresaleNumber": 132705, "preMinPurchaseNum": 1101, "lossNumber": 10, "leastPatchNumber": 20, "componentLibraryType": "expand", "assemblyComponentFlag": false, "isBuyComponent": "1", "allowPostFlag": true, "noBuyReason": null, "status": "public_page_payload_verified", "observed_at_utc": "2026-10-14T12:08:27Z", "designators": ["LED_POWER"], "quantity_per_board": 1},
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