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John Lauer Astra ESC current and thermal screening: qualification withheld, VBAT bottlenecks measured dafeebe 22d ago

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{
  "status": "NOT QUALIFIED. High-current screening fails; no hardware tests performed.",
  "boardSha256": "2ba0f80c7798d2ef37f5db37b2d849859149531efcc86125ae69e5a9b7b6ea32",
  "loadCase": "Balanced six-step, two conducting MOSFETs, constant line-current plateau, unity PWM duty, each high/low device active one third of time. Not sinusoidal phase RMS.",
  "copperLossWperA2": 0.009290229426042284,
  "mosfetColdConductionWperA2": 0.0032,
  "shuntWperA2": 0.0005,
  "totalModeledWperA2": 0.012990229426042284,
  "scenarios": [
    {
      "currentA": 10,
      "copperW": 0.9290229426042284,
      "mosfetW": 0.32,
      "shuntW": 0.05,
      "totalW": 1.2990229426042283
    },
    {
      "currentA": 15,
      "copperW": 2.0903016208595138,
      "mosfetW": 0.72,
      "shuntW": 0.11249999999999999,
      "totalW": 2.922801620859514
    },
    {
      "currentA": 20,
      "copperW": 3.7160917704169134,
      "mosfetW": 1.28,
      "shuntW": 0.2,
      "totalW": 5.196091770416913
    },
    {
      "currentA": 30,
      "copperW": 8.361206483438055,
      "mosfetW": 2.88,
      "shuntW": 0.44999999999999996,
      "totalW": 11.691206483438055
    },
    {
      "currentA": 40,
      "copperW": 14.864367081667654,
      "mosfetW": 5.12,
      "shuntW": 0.8,
      "totalW": 20.784367081667654
    },
    {
      "currentA": 58.5,
      "copperW": 31.793487653273203,
      "mosfetW": 10.9512,
      "shuntW": 1.711125,
      "totalW": 44.455812653273206
    }
  ]
}