{"schema_version": "vibe-public-case-engineering/v1", "case_id": "gaming-keyboard", "requirements": [{"id": "requirement-001", "title": "台架方案", "kind": "architecture", "detail": "先做单颗ADC的16键扫描台架，随后复制为5组覆盖68键；有线USB输入，灯效为独立限流负载。", "status": "design_proposed", "status_label": "方案需求，待验证", "source_ids": []}, {"id": "requirement-002", "title": "产品方案", "kind": "architecture", "detail": "主板承载68个霍尔传感器及5颗16通道ADC；接口板承载USB连接器、保护及主控。第5颗ADC只使用4通道，其余输入固定到定义电位。", "status": "design_proposed", "status_label": "方案需求，待验证", "source_ids": []}, {"id": "requirement-003", "title": "电源域 USB_5V", "kind": "power_target", "detail": "标称电压目标：5 V。未确认上游预算前关闭灯效；总电流不得超过协商/枚举允许值。", "status": "design_target", "status_label": "设计目标，非实测值", "source_ids": []}, {"id": "requirement-004", "title": "电源域 LOGIC_3V3", "kind": "power_target", "detail": "标称电压目标：3.3 V。预留25%电流余量；ADC参考和霍尔供电的比例关系须固定，不能混用满量程。", "status": "design_target", "status_label": "设计目标，非实测值", "source_ids": []}, {"id": "requirement-005", "title": "接口 scan", "kind": "interface_target", "detail": "主控SPI → ADC[0..4]。五个独立片选；核实非选中MISO高阻；DMA调度包含通道切换和流水线延迟。", "status": "design_target", "status_label": "设计目标，非实测值", "source_ids": []}, {"id": "requirement-006", "title": "接口 hall", "kind": "interface_target", "detail": "Hall[0..67].OUT → ADC channels。按ADC量程选择参考；逐输入检查源阻抗与RC建立误差。", "status": "design_target", "status_label": "设计目标，非实测值", "source_ids": []}, {"id": "requirement-007", "title": "接口 usb", "kind": "interface_target", "detail": "USB接口板 → 主控USB。USB数据线不当GPIO；ESD靠近接口，VBUS不得直连非5V容忍输入。", "status": "design_target", "status_label": "设计目标，非实测值", "source_ids": []}, {"id": "requirement-008", "title": "每键有效采样率", "kind": "acceptance_target", "detail": "目标：>= 1000 samples/s。方法：逻辑分析仪与带序号DMA日志检查68键连续60秒", "status": "design_target", "status_label": "设计目标，非实测值", "source_ids": []}, {"id": "requirement-009", "title": "68键映射错误数", "kind": "acceptance_target", "detail": "目标：== 0 count。方法：逐键机械治具触发并核对键码", "status": "design_target", "status_label": "设计目标，非实测值", "source_ids": []}, {"id": "requirement-010", "title": "端到端按键报告P95", "kind": "acceptance_target", "detail": "目标：<= 5 ms。方法：同步触发行程信号与主机USB报告，1000次", "status": "design_target", "status_label": "设计目标，非实测值", "source_ids": []}, {"id": "requirement-011", "title": "3V3稳态误差", "kind": "acceptance_target", "detail": "目标：<= 5 percent。方法：所有模式示波器检查并另记录瞬态", "status": "design_target", "status_label": "设计目标，非实测值", "source_ids": []}], "components": [{"id": "board.adafruit-1426", "name": "NeoPixel Stick RGB (1426)", "manufacturer": "Adafruit", "mpn": "NeoPixel Stick RGB (1426)", "kind": "demo_board", "revision": "1", "relation": "selected_board_in_historical_audit", "status": "candidate", "status_label": "历史案例选板 · 待验证", "capabilities": ["rgb"], "source_ids": ["source-0a9a8a4bf985a042", "source-ddc83d374e50a5bf", "source-100ee7ff128311f7", "source-11e0680f259ce502", "source-0f067aa334810c19", "source-2be684d604f31317", "source-2d73435756c62d02", "source-520c4034ce8b3686", "source-3e767ba6032067b7"], "missing_information": ["可能为 SK6812 而非 WS2812B；5V 供电、数据电平与峰值电流需核对。", "历史案例选板不代表当前连接、固件、整机功能或实物测试通过。"]}, {"id": "board.adafruit-4090", "name": "USB Type C Breakout (4090)", "manufacturer": "Adafruit", "mpn": "USB Type C Breakout (4090)", "kind": "demo_board", "revision": "1", "relation": "selected_board_in_historical_audit", "status": "candidate", "status_label": "历史案例选板 · 待验证", "capabilities": ["USB设备", "usb_c_5v"], "source_ids": ["source-efd12148d09630c4"], "missing_information": ["只提供接口和 CC 配置，不包含完整保险丝、ESD、过压或限流保护。", "历史案例选板不代表当前连接、固件、整机功能或实物测试通过。"]}, {"id": "board.adafruit-4920", "name": "TPS62827 3.3V (4920)", "manufacturer": "Adafruit", "mpn": "TPS62827 3.3V (4920)", "kind": "demo_board", "revision": "1", "relation": "selected_board_in_historical_audit", "status": "candidate", "status_label": "历史案例选板 · 待验证", "capabilities": ["3.3V稳压"], "source_ids": ["source-a4bade564ae95fe0", "source-345d22e512bd24fc"], "missing_information": ["输入范围、峰值负载、散热和去耦需按整机电源预算验证。", "历史案例选板不代表当前连接、固件、整机功能或实物测试通过。"]}, {"id": "board.adafruit-6051", "name": "ScoutMakes DRV5032 (6051)", "manufacturer": "Adafruit", "mpn": "ScoutMakes DRV5032 (6051)", "kind": "demo_board", "revision": "0.3.0", "relation": "selected_board_in_historical_audit", "status": "candidate", "status_label": "历史案例选板 · 待验证", "capabilities": ["hall"], "source_ids": ["source-f19dae650febae99", "source-4e233095df11469e"], "missing_information": ["Threshold switch, not an absolute angle encoder; review magnet pole, gap and hysteresis.", "Low-frequency sampling is not approved for high-speed POV or FOC feedback; lock suffix and update rate.", "历史案例选板不代表当前连接、固件、整机功能或实物测试通过。"]}, {"id": "catalog.tlv75533pdbvr", "name": "TLV75533PDBVR", "manufacturer": "Texas Instruments", "mpn": "TLV75533PDBVR", "kind": "chip", "relation": "reference_component", "status": "candidate", "status_label": "精确型号候选，非已采用", "revision": null, "capabilities": [], "source_ids": ["source-e40a81d7c0636819"], "missing_information": []}, {"id": "espressif-esp32-s3-wroom-1", "name": "ESP32-S3-WROOM-1", "manufacturer": "Espressif", "mpn": null, "kind": "module", "relation": "reference_component", "status": "candidate", "status_label": "型号或订货后缀待确认", "revision": "2026-09-22.1", "capabilities": [], "source_ids": ["source-3371b9afa39278fb", "source-dbdfd4ddc180acc1"], "missing_information": ["符号或系列名称不能当作已冻结的采购料号。"]}, {"id": "gaps.we-971060151", "name": "gaps.we-971060151", "manufacturer": null, "mpn": null, "kind": "component", "relation": "reference_component", "status": "information_insufficient", "status_label": "型号或订货后缀待确认", "revision": null, "capabilities": [], "source_ids": [], "missing_information": ["符号或系列名称不能当作已冻结的采购料号。"]}, {"id": "power.ti.tps54302ddcr", "name": "TPS54302DDCR", "manufacturer": "Texas Instruments", "mpn": "TPS54302DDCR", "kind": "chip", "relation": "reference_component", "status": "candidate", "status_label": "精确型号候选，非已采用", "revision": null, "capabilities": [], "source_ids": ["source-6d5dcfdc17474b64"], "missing_information": ["尚未建立并验证此精确封装的 PCB 焊盘库及装配工艺窗口", "尚未进行此器件在目标案例中的仿真、台架实测、EMC 或量产验证"]}, {"id": "vendor-ic-fb49f93d020960", "name": "TPS6282X", "manufacturer": "见原厂器件资料", "mpn": null, "kind": "chip", "relation": "reference_component", "status": "candidate", "status_label": "型号或订货后缀待确认", "revision": "2026-09-22.1", "capabilities": [], "source_ids": ["source-e1a78f4fe7b3774e"], "missing_information": ["符号或系列名称不能当作已冻结的采购料号。"]}, {"id": "vendor.tps3808g33dbvr", "name": "TPS3808G33DBVR", "manufacturer": "Texas Instruments", "mpn": "TPS3808G33DBVR", "kind": "chip", "relation": "reference_component", "status": "candidate", "status_label": "精确型号候选，非已采用", "revision": null, "capabilities": [], "source_ids": ["source-91c1e4e02bef961d"], "missing_information": ["符号按原厂指定封装引脚表重建，并非原厂直接提供的 EDA 符号", "PCB 焊盘尺寸、外围选型及实物测试尚未完成", "RESET 为低有效开漏输出，需要上拉；G33 阈值与供电范围不同；CT 配置决定复位延迟。"]}, {"id": "design-choice-1", "name": "ADS7953 × 5", "manufacturer": null, "mpn": null, "kind": "design_choice", "relation": "design_candidate", "status": "candidate", "status_label": "设计迭代候选，订货型号待冻结", "revision": "2026-09-23.2", "capabilities": [], "source_ids": ["source-7629ece450723142"], "selection_reason": "16通道SAR降低模拟复用树复杂度；以每键1kHz为首版目标，优先验证输入建立时间。", "alternative_reason": "AD7689需更多芯片，MCP3208吞吐余量较小；不以ADC额定最大速率直接宣称键盘扫描率。", "missing_information": ["准确订货号、封装与采购状态仍需确认；设计迭代候选不是已采用的量产物料。"]}, {"id": "design-choice-2", "name": "DRV5055，灵敏度后缀由磁轴实测选择", "manufacturer": null, "mpn": null, "kind": "design_choice", "relation": "design_candidate", "status": "candidate", "status_label": "设计迭代候选，订货型号待冻结", "revision": "2026-09-23.2", "capabilities": [], "source_ids": ["source-3ed06951d0355700"], "selection_reason": "沿用公共库模拟霍尔候选，以行程—电压标定决定具体档位。", "alternative_reason": "", "missing_information": ["准确订货号、封装与采购状态仍需确认；设计迭代候选不是已采用的量产物料。"]}], "circuits": [{"id": "source:adafruit-4090/0", "title": "USB Type C Breakout (4090) · 原厂器件电路", "kind": "reference_circuit", "relation": "source_schematic", "status": "source_schematic", "status_label": "板卡原厂参考电路", "revision": null, "component_ids": ["board.adafruit-4090"], "source_ids": ["source-cf5a7f9f55fcac06"], "missing_information": ["原厂或资料重建电路只覆盖该板；整机电源、接口条件、板卡修订和样机结果仍需核对。"], "evidence_scope": "historical_case_audit"}, {"id": "source:adafruit-4920/0", "title": "TPS62827 3.3V (4920) · 原厂器件电路", "kind": "reference_circuit", "relation": "source_schematic", "status": "source_schematic", "status_label": "板卡原厂参考电路", "revision": null, "component_ids": ["board.adafruit-4920"], "source_ids": ["source-e1a78f4fe7b3774e"], "missing_information": ["原厂或资料重建电路只覆盖该板；整机电源、接口条件、板卡修订和样机结果仍需核对。"], "evidence_scope": "historical_case_audit"}, {"id": "source:adafruit-6051/0", "title": "ScoutMakes DRV5032 (6051) · 原厂器件电路", "kind": "reference_circuit", "relation": "source_schematic", "status": "source_schematic", "status_label": "板卡原厂参考电路", "revision": null, "component_ids": ["board.adafruit-6051"], "source_ids": ["source-2c2d7f183749d2d9"], "missing_information": ["原厂或资料重建电路只覆盖该板；整机电源、接口条件、板卡修订和样机结果仍需核对。"], "evidence_scope": "historical_case_audit"}, {"id": "source:adafruit-1426/0", "title": "NeoPixel Stick RGB (1426) · 原厂器件电路", "kind": "reference_circuit", "relation": "source_schematic", "status": "source_schematic", "status_label": "板卡原厂参考电路", "revision": null, "component_ids": ["board.adafruit-1426"], "source_ids": ["source-8beae7ee3647ca64", "source-ea7326a5433fd14d", "source-e2ae5db54dc228c6"], "missing_information": ["原厂或资料重建电路只覆盖该板；整机电源、接口条件、板卡修订和样机结果仍需核对。"], "evidence_scope": "historical_case_audit"}, {"id": "esp32s3-module-minimum-system", "title": "ESP32-S3 模组最小系统", "kind": "reference_circuit", "relation": "integrated_candidate", "status": "integrated_candidate", "status_label": "已接入候选图，未签核", "revision": "c0f126f08caed4b371aa2b6d12d3e1ca708eba4203807e608413011653b7cdd2", "component_ids": ["espressif-esp32-s3-wroom-1"], "source_ids": ["source-e2f9ea1768f34970", "source-bcd526f54b8de686"], "missing_information": ["现库符号可用但准确模组后缀与引脚限制未冻结", "裸芯片与模组不能共用同一最小系统；模组内部RF晶振不重复添加"], "evidence_scope": "historical_case_audit"}, {"id": "tps62827-buck-reference", "title": "TPS62827 降压电源参考电路", "kind": "reference_circuit", "relation": "reference_only", "status": "reference_only", "status_label": "参考电路，未采用", "revision": "5a85c104aa77fa80eaeb57e148f6b713ce49963c9c352def21b34728eaf88fa8", "component_ids": ["vendor-ic-fb49f93d020960"], "source_ids": ["source-e1a78f4fe7b3774e"], "missing_information": ["源符号名为TPS6282X，准确订货型号仍需BOM锁定", "归档3.3V板参数不是任意输入输出组合通用值", "热、瞬态、稳定性和电感料号替代需独立验证"], "evidence_scope": "historical_case_audit"}, {"id": "case-gap-actuator-keyboard-mount", "title": "ACE68 双 PCBA 的支柱与装配公差契约", "kind": "reference_circuit", "relation": "reference_only", "status": "reference_only", "status_label": "参考电路，未采用", "revision": null, "component_ids": ["gaps.we-971060151"], "source_ids": ["source-24c788d925a5d045"], "missing_information": ["M2.5 6mm spacer is a sourced dimensional candidate; actual top/bottom PCB heights, XY holes and enclosure bosses are not checked", "Conductive hardware requires copper keepout or deliberately specified chassis bonding; no automatic GND net"], "evidence_scope": "historical_case_audit"}, {"id": "demo-adafruit-1426", "title": "NeoPixel 灯条变色", "kind": "supplier_demo", "relation": "selected_board_documentation", "status": "reference_not_adopted", "status_label": "候选板卡的供应商示例", "revision": "d02cb3d889553142bb4660e100a131e4e5d5c1a6a06652d0c6cfb3a3eb4786ff", "component_ids": ["board.adafruit-1426"], "source_ids": ["source-ddc83d374e50a5bf"], "missing_information": []}], "function_packs": [{"id": "fp-drv5055-linear-hall", "title": "DRV5055A1 线性霍尔模拟采集", "kind": "function_package", "relation": "shared_source_reference", "status": "reference_not_adopted", "status_label": "同源电路参考 · 尚未采用", "revision": "7c4e66100482c661ae97f16cd6d48c2d9b04cd791d8b424eb73734a382b7a1f2", "component_ids": ["board.adafruit-6051"], "source_ids": ["source-2c2d7f183749d2d9"], "missing_information": ["仅确认引用相同原厂原理图；功能包修改、外围参数和案例完整网表尚未逐项绑定。", "尚无本案例采用该功能包的版本锁定及实际工况记录；不使用示例参数补齐。", "供电、时序、负载和板卡修订仍需按案例核对；此关联不证明仿真或实物验证通过。"], "library_url": "/create/hardware-library?function-pack=fp-drv5055-linear-hall#function-packs"}, {"id": "fp-tps62827-buck-3v3", "title": "TPS62827 3.3V 降压电源参考", "kind": "function_package", "relation": "shared_source_reference", "status": "reference_not_adopted", "status_label": "同源电路参考 · 尚未采用", "revision": "3e8fc6e65f417a62bf8663b1e152c79775fedce80e355b42ae044b27340b995d", "component_ids": ["board.adafruit-4920"], "source_ids": ["source-e1a78f4fe7b3774e"], "missing_information": ["仅确认引用相同原厂原理图；功能包修改、外围参数和案例完整网表尚未逐项绑定。", "尚无本案例采用该功能包的版本锁定及实际工况记录；不使用示例参数补齐。", "供电、时序、负载和板卡修订仍需按案例核对；此关联不证明仿真或实物验证通过。"], "library_url": "/create/hardware-library?function-pack=fp-tps62827-buck-3v3#function-packs"}, {"id": "fp-usbc-5v-sink", "title": "USB-C 5V 受电与双 CC 下拉", "kind": "function_package", "relation": "shared_source_reference", "status": "reference_not_adopted", "status_label": "同源电路参考 · 尚未采用", "revision": "258b27e1b2869f9c3cdb56ab88c638c73f71f4ada5bdc9d3abe6e9c8ec14db5b", "component_ids": ["board.adafruit-4090"], "source_ids": ["source-cf5a7f9f55fcac06"], "missing_information": ["仅确认引用相同原厂原理图；功能包修改、外围参数和案例完整网表尚未逐项绑定。", "尚无本案例采用该功能包的版本锁定及实际工况记录；不使用示例参数补齐。", "供电、时序、负载和板卡修订仍需按案例核对；此关联不证明仿真或实物验证通过。"], "library_url": "/create/hardware-library?function-pack=fp-usbc-5v-sink#function-packs"}], "function_packages": {"status": "not_bound", "adopted_count": 0, "related_count": 3, "note": "现有公开记录尚未将功能包及其实际工况绑定到本案例；以下仅列出具有相同原厂原理图依据的参考包，示例参数不作为案例参数或实测结果。"}, "sources": [{"id": "source-0a9a8a4bf985a042", "title": "NeoPixel Stick RGB (1426)", "url": "https://www.adafruit.com/product/1426", "kind": "manufacturer_reference", "status": "public_reference", "reviewed_at": null, "version": null, "sha256": null}, {"id": "source-ddc83d374e50a5bf", "title": "NeoPixel Stick RGB (1426)", "url": 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