修正PCB短路与浮铜
Worked for 4 mins 46 sec
已按“模块接口”完成输出级原理图骨架，没有放入任何错误的三脚 MOSFET 替代件。
已添加并连接：
CELL_DC_P / CELL_DC_N：输出单元直流母线接口CELL_OUT：半桥/多电平单元输出节点HS_GATE / HS_KS：高边未来 CI90N120SM4 的 Gate / Kelvin Source 接口LS_GATE / LS_KS：低边未来 CI90N120SM4 的 Gate / Kelvin Source 接口HS_GATE_DRV / LS_GATE_DRV：栅极驱动输入接口RGH_CELL / RGL_CELL = 2.5Ω：门极串联电阻占位RGH_PD / RGL_PD = 10kΩ：Gate-Kelvin Source 下拉CDCELL_HF = 100nF / 1200V：输出单元高频母线旁路占位
检查结果：原理图接口网络已建立；当前报错主要是 PCB 尚未为新增模块接口放置/布线产生的 airwires，以及已有布局中的一个 overlapping copper。下一步应导入/创建 CI90N120SM4 四引脚器件 后，把这些接口替换为真实 MOSFET 符号并继续完善栅极驱动和保护。
备选方案 Microchip MSC025SMA120B4N怎么样
Thought for 33 sec
我会把 Microchip MSC025SMA120B4N 作为非国产备选来评估：重点核对耐压、电流、RDS(on)、Qg、Kelvin 源极、驱动电压和开关损耗，再判断是否适合作为临时原理图器件或最终备选。
Working for 2 days 17 hrs...
Thought for 6 sec
Reading MSC025SMA120B4N datasheet for absolute maximum ratings VDS VGS continu.
Reading MSC025SMA120B4N datasheet for electrical characteristics RDS on gate t.
Reading MSC025SMA120B4N datasheet for switching characteristics turn on energy.
Reading MSC025SMA120B4N datasheet for pin configuration package TO-247-4 Kelvi...
与外界的联系只有供电输入，信号输入输出
Pulling up the datasheet...
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Manufacturing Data Extraction
Source uploaded package inspected:
hv-ultrasonic-pulse-amplifier.zip.Extracted manufacturing data summary:
- Archive type: ODB++ style manufacturing job from Flux.ai
- Units: MM
- ODB version: 8.1
- Board outline: approximately 120.0 mm x 80.0 mm
- X extents: 10.0 .. 130.0 mm
- Y extents: -90.0 .. -10.0 mm
- Copper stackup: 4 signal copper layers
- F.CU
- IN1.CU
- IN2.CU
- B.CU
- Total matrix layers: 29
- Components parsed: 50
- Pick-and-place entries parsed: 50
- Component pins with net assignments parsed: 113
- Derived BOM line items: 30
- Named nets found: 30 plus
$NONE$ - Explicit IPC-D-356 file: not found
- ODB++ CAD netlist files found:
steps/pcb/eda/datasteps/pcb/netlists/cadnet/netlist
- Text search for DRC terms found no matches for:
- short
- clearance
- floating copper
- floating
Editable Schematic Reconstruction Status
Implemented in the current Flux project:
- Added 50 schematic components / placeholders from the manufacturing BOM and CAD netlist:
- 27 generic resistors
- 11 generic capacitors
- 4 generic silicon diodes
- 3 terminal blocks
- 1 comparator: LMV331TP-TR
- 1 bridge rectifier: GBU10M
- 1 MOV: TMOV20RP275E
- 1 fuse holder: 64900001039
- 1 transformer: 750341689
- Reconstructed 27 named electrical nets from the ODB++ CAD netlist:
- 5V_CTRL
- AC_L
- AC_L_FUSED
- AC_N
- AGND
- HV_DC_NEG
- HV_DC_POS
- HV_NEG_BUS
- HV_OUT_N
- HV_OUT_P
- HV_POS_BUS
- HV_RET
- HV_SEC_NEG_AC
- HV_SEC_POS_AC
- IN_MINUS
- IN_PLUS
- OC_REF_0V3
- OC_SENSE
- OC_TRIP_N
- VFBN_DIV1
- VFBN_DIV2
- VFBN_DIV3
- VFBP_DIV1
- VFBP_DIV2
- VFBP_DIV3
- VFB_N
- VFB_P
- Marked manufacturing
$NONE$pins as no-connect where they corresponded to actual component terminals.
Validation Notes
- The schematic summary now reports 50 real design components plus generated net portals and no-connect markers.
- ERC/DRC review reports expected PCB airwires because no editable PCB placement/routing has been reconstructed yet.
- ERC reports two “shorted component” warnings:
- RHV_IN_POS has both pins connected to HV_POS_BUS
- RHV_IN_NEG has both pins connected to HV_NEG_BUS
- Those two warnings were present in the manufacturing netlist reconstruction data: each resistor’s P1 and P2 were assigned to the same net in the ODB++ pin-net table. They should be manually checked against the intended design or original schematic before PCB routing.
Reconstruction Limitations
This is a manufacturing-netlist reconstruction, not a full original design-source recovery. The ODB++ package provided enough data to infer components, values, placements, layers, board size, and CAD net connectivity, but it does not fully preserve original schematic intent, functional grouping, datasheet annotations, ERC intent, or complete manufacturer part selections for generic passives.
Before advancing to PCB layout/routing, the following should be verified:
- Confirm whether RHV_IN_POS and RHV_IN_NEG are intentionally shorted 0-ohm/link-style resistors or whether their extracted net assignments are an ODB++/parsing artifact.
- Verify active component pinouts against datasheets, especially:
- LMV331TP-TR comparator pin mapping
- GBU10M bridge rectifier AC/+/- pin mapping
- 750341689 transformer winding pin mapping
- Assign exact MPNs/packages for generic passives if manufacturing export is required.
- Rebuild layout from the extracted 120 mm x 80 mm, 4-layer ODB++ board data, then run DRC for shorts, clearances, floating copper, and airwires.
Conclusion:
The editable schematic and named network structure have been generated from the manufacturing data. The next phase should be datasheet/pinout verification of active components and ambiguous same-net resistors before PCB layout reconstruction.
Editable Schematic Reconstruction Status
Validation Notes
Reconstruction Limitations
