component
VIPER22ASTR-E
Public Made by Adomby adom
STMicroelectronics AC-DC Controllers and Regulators, SO-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -38,6 +38,20 @@ VIPER22ASTR-E from STMicroelectronics, in a SO-8. Pinout and pin descriptions ex - 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 |+|---|---|---|+| [`viper22astr-e.step`](viper22astr-e.step) | 122 KB | You want the bare part, or you mark your own boards. |+| [`viper22astr-e-etched.step`](viper22astr-e-etched.step) | 2.2 MB | You want the part with `VIPER22ASTR-E` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 570 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:
package.json+1−1@@ -1,6 +1,6 @@ { "slug": "viper22astr-e",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "STMicroelectronics AC-DC Controllers and Regulators, SO-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+7−7@@ -4,7 +4,7 @@ "slug": "viper22astr-e", "title": "VIPER22ASTR-E", "brief": "STMicroelectronics AC-DC Controllers and Regulators, 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",@@ -46,7 +46,7 @@ "number": "3", "name": "FB", "type": "input",- "description": "Feedback input for current-mode PWM regulation. Useful voltage range 0 V to 1 V; the pin is current-sensitive (typically driven by an optocoupler). Peak drain current is defined by IFB; shorting FB to SOURCE yields the peak current limit IDlim (typ 0.7 A). Absolute-max IFB = 3 mA; internal input impedance ~1.2 k\u03a9."+ "description": "Feedback input for current-mode PWM regulation. Useful voltage range 0 V to 1 V; the pin is current-sensitive (typically driven by an optocoupler). Peak drain current is defined by IFB; shorting FB to SOURCE yields the peak current limit IDlim (typ 0.7 A). Absolute-max IFB = 3 mA; internal input impedance ~1.2 kΩ." }, { "number": "4",@@ -58,7 +58,7 @@ "number": "5", "name": "DRAIN", "type": "power_in",- "description": "Power MOSFET drain. Also used by the internal high-voltage current source during start-up to charge the external VDD capacitor. BVDSS = 730 V (min); absolute-max VDS(sw) = -0.3 \u2026 730 V; rDS(on) typ 15 \u03a9. Pins 5, 6, 7, 8 are internally tied to the same DRAIN node and should all be connected together with a large copper area for thermal dissipation."+ "description": "Power MOSFET drain. Also used by the internal high-voltage current source during start-up to charge the external VDD capacitor. BVDSS = 730 V (min); absolute-max VDS(sw) = -0.3 … 730 V; rDS(on) typ 15 Ω. Pins 5, 6, 7, 8 are internally tied to the same DRAIN node and should all be connected together with a large copper area for thermal dissipation." }, { "number": "6",@@ -150,9 +150,9 @@ "docs/hero.png", "docs/viper22astr-e-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "STMicroelectronics AC-DC Controllers and Regulators, SO-8. Datasheet-verified pinout, KiCad symbol/footprint/3D." }