SIT1050T

@@ -36,6 +36,20 @@ SIT1050T from SIT, in a SO-8. Pinout and pin descriptions extracted from the dat - Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm` - 3D model: SO-8 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`sit1050t.step`](sit1050t.step) | 122 KB | You want the bare part, or you mark your own boards. |+| [`sit1050t-etched.step`](sit1050t-etched.step) | 1.7 MB | You want the part with `SIT1050T` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 437 faces against 147 in the bare model. It+survives export, section views, and rendering in any CAD tool, and it drops straight+into KiCad or Fusion with no extra setup.+ ## Provenance  Data extracted from the manufacturer datasheet, not a distributor listing:

@@ -1,6 +1,6 @@ {   "slug": "sit1050t",-  "version": "0.1.0",+  "version": "0.2.0",   "type": "component",   "description": "SIT CAN Controllers, SO-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",   "tags": [

@@ -4,7 +4,7 @@   "slug": "sit1050t",   "title": "SIT1050T",   "brief": "SIT CAN Controllers, SO-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",-  "version": "0.1.0",+  "version": "0.2.0",   "license": "CC-BY-SA-4.0",   "tags": [     "component",@@ -34,7 +34,7 @@         "number": "1",         "name": "TXD",         "type": "input",-        "description": "Transmit data input from the CAN controller. CMOS-level logic input (VIH \u2265 2 V, VIL \u2264 0.8 V) with internal pull-up (IIL = -10 to -50 \u00b5A at VI = 0 V; IIH = \u00b12 \u00b5A at VI = VCC). A low level drives the bus dominant; high or open leaves the bus recessive. A dominant time-out (typ. 450 \u00b5s) prevents the bus from being held dominant indefinitely."+        "description": "Transmit data input from the CAN controller. CMOS-level logic input (VIH ≥ 2 V, VIL ≤ 0.8 V) with internal pull-up (IIL = -10 to -50 µA at VI = 0 V; IIH = ±2 µA at VI = VCC). A low level drives the bus dominant; high or open leaves the bus recessive. A dominant time-out (typ. 450 µs) prevents the bus from being held dominant indefinitely."       },       {         "number": "2",@@ -46,37 +46,37 @@         "number": "3",         "name": "VCC",         "type": "power_in",-        "description": "+5 V supply voltage input (recommended 4.5-5.5 V, abs-max -0.3 to +6 V). Typical supply current is ~6 mA in recessive/silent state and ~50 mA (max 70 mA) in dominant state with 60 \u03a9 load."+        "description": "+5 V supply voltage input (recommended 4.5-5.5 V, abs-max -0.3 to +6 V). Typical supply current is ~6 mA in recessive/silent state and ~50 mA (max 70 mA) in dominant state with 60 Ω load."       },       {         "number": "4",         "name": "RXD",         "type": "output",-        "description": "Receive data output to the CAN controller; reads out the differential state of the CAN bus. Push-pull CMOS output (VOH \u2265 4 V at IO = -2 mA, VOL \u2264 0.4 V at IO = 2 mA). LOW = dominant bus, HIGH = recessive bus."+        "description": "Receive data output to the CAN controller; reads out the differential state of the CAN bus. Push-pull CMOS output (VOH ≥ 4 V at IO = -2 mA, VOL ≤ 0.4 V at IO = 2 mA). LOW = dominant bus, HIGH = recessive bus."       },       {         "number": "5",         "name": "Vref",         "type": "output",-        "description": "Reference voltage output at 0.5\u00b7VCC (spec 0.4\u00b7VCC to 0.6\u00b7VCC) capable of sourcing/sinking |IO| \u2264 50 \u00b5A. Provides a stable common-mode reference for the CAN controller or bus termination bias."+        "description": "Reference voltage output at 0.5·VCC (spec 0.4·VCC to 0.6·VCC) capable of sourcing/sinking |IO| ≤ 50 µA. Provides a stable common-mode reference for the CAN controller or bus termination bias."       },       {         "number": "6",         "name": "CANL",         "type": "bidirectional",-        "description": "LOW-level CAN bus line (differential pair with CANH). Driven low (VOL(D) 0.5-2.25 V, typ 1.5 V) in the dominant state and biased to 0.5\u00b7VCC in the recessive state. Handles DC bus voltages of -40 to +40 V and transient \u00b1200 V (see Fig. 7); short-circuit currents are limited by internal protection."+        "description": "LOW-level CAN bus line (differential pair with CANH). Driven low (VOL(D) 0.5-2.25 V, typ 1.5 V) in the dominant state and biased to 0.5·VCC in the recessive state. Handles DC bus voltages of -40 to +40 V and transient ±200 V (see Fig. 7); short-circuit currents are limited by internal protection."       },       {         "number": "7",         "name": "CANH",         "type": "bidirectional",-        "description": "HIGH-level CAN bus line (differential pair with CANL). Driven high (VOH(D) 2.75-4.5 V, typ 3.5 V) in the dominant state and biased to 0.5\u00b7VCC in the recessive state. Handles DC bus voltages of -40 to +40 V and transient \u00b1200 V; internal short-circuit and overcurrent protection."+        "description": "HIGH-level CAN bus line (differential pair with CANL). Driven high (VOH(D) 2.75-4.5 V, typ 3.5 V) in the dominant state and biased to 0.5·VCC in the recessive state. Handles DC bus voltages of -40 to +40 V and transient ±200 V; internal short-circuit and overcurrent protection."       },       {         "number": "8",         "name": "S",         "type": "input",-        "description": "Silent-mode control input (a.k.a. STB). LOW or open = normal (transmitter enabled); HIGH = silent mode (transmitter disabled, receiver still active). VIH \u2265 2.0 V, VIL \u2264 0.8 V; input current 15-60 \u00b5A at VS = 2 V. Enable time from silent to dominant \u2264 1 \u00b5s."+        "description": "Silent-mode control input (a.k.a. STB). LOW or open = normal (transmitter enabled); HIGH = silent mode (transmitter disabled, receiver still active). VIH ≥ 2.0 V, VIL ≤ 0.8 V; input current 15-60 µA at VS = 2 V. Enable time from silent to dominant ≤ 1 µs."       }     ],     "provenance": {@@ -150,6 +150,9 @@     "docs/hero.png",     "docs/sit1050t-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"-  ]+    "viewers/footprint.html",+    "pads.json"+  ],+  "description": "SIT CAN Controllers, SO-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+  "visibility": "public" }\ No newline at end of file