← Commit history

Publish 0.2.0

Ray ·c51142ccdf · ·parent 27a6907
3 files changed +33−19
README.md+14
@@ -49,6 +49,20 @@ SG3525ANG from onsemi, in a DIP-16. Pinout and pin descriptions extracted from t - Footprint: `Package_DIP:DIP-16_W7.62mm` - 3D model: DIP-16 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`sg3525ang.step`](sg3525ang.step) | 505 KB | You want the bare part, or you mark your own boards. |+| [`sg3525ang-etched.step`](sg3525ang-etched.step) | 2.7 MB | You want the part with `SG3525ANG` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 651 faces against 284 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": "sg3525ang",-  "version": "0.1.0",+  "version": "0.2.0",   "type": "component",   "description": "onsemi AC-DC Controllers and Regulators, DIP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",   "tags": [
page.json+18−18
@@ -4,7 +4,7 @@   "slug": "sg3525ang",   "title": "SG3525ANG",   "brief": "onsemi AC-DC Controllers and Regulators, DIP-16. 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": "Inv. Input",         "type": "input",-        "description": "Inverting input of the internal error amplifier. Common-mode input range includes the +5.1 V reference so no external divider is required. Input bias current ~1 \u00b5A typ."+        "description": "Inverting input of the internal error amplifier. Common-mode input range includes the +5.1 V reference so no external divider is required. Input bias current ~1 µA typ."       },       {         "number": "2",@@ -52,49 +52,49 @@         "number": "4",         "name": "OSC. Output",         "type": "output",-        "description": "Oscillator clock output. Provides the internal clock signal (~3.5 V amplitude, 0.3-1.0 \u00b5s pulse width) for external synchronization or monitoring."+        "description": "Oscillator clock output. Provides the internal clock signal (~3.5 V amplitude, 0.3-1.0 µs pulse width) for external synchronization or monitoring."       },       {         "number": "5",         "name": "CT",         "type": "passive",-        "description": "Oscillator timing capacitor connection. External CT (0.001-0.2 \u00b5F) sets oscillator charge time together with RT. Frequency range 100 Hz to 400 kHz."+        "description": "Oscillator timing capacitor connection. External CT (0.001-0.2 µF) sets oscillator charge time together with RT. Frequency range 100 Hz to 400 kHz."       },       {         "number": "6",         "name": "RT",         "type": "passive",-        "description": "Oscillator timing resistor connection. External RT (2.0-150 k\u03a9) sets the oscillator charging current."+        "description": "Oscillator timing resistor connection. External RT (2.0-150 kΩ) sets the oscillator charging current."       },       {         "number": "7",         "name": "Discharge",         "type": "passive",-        "description": "Deadtime programming pin. A resistor RD (0-500 \u03a9) between CT (pin 5) and Discharge (pin 7) sets the oscillator discharge/deadtime."+        "description": "Deadtime programming pin. A resistor RD (0-500 Ω) between CT (pin 5) and Discharge (pin 7) sets the oscillator discharge/deadtime."       },       {         "number": "8",         "name": "Soft-Start",         "type": "passive",-        "description": "Soft-start capacitor connection. An external capacitor charged by an internal ~50 \u00b5A source implements soft-start of the PWM duty cycle. Can also accept a pull-down (~100 \u00b5A) to disable outputs."+        "description": "Soft-start capacitor connection. An external capacitor charged by an internal ~50 µA source implements soft-start of the PWM duty cycle. Can also accept a pull-down (~100 µA) to disable outputs."       },       {         "number": "9",         "name": "Compensation",         "type": "output",-        "description": "Error amplifier output / PWM comparator input. Compensation network is tied here to shape the loop response. Also accepts a pull-down (~100 \u00b5A) to force outputs off."+        "description": "Error amplifier output / PWM comparator input. Compensation network is tied here to shape the loop response. Also accepts a pull-down (~100 µA) to force outputs off."       },       {         "number": "10",         "name": "Shutdown",         "type": "input",-        "description": "Active-high shutdown. Positive signal immediately sets the PWM latch (fast turn-off) and enables a 150 \u00b5A sink that discharges the soft-start cap for extended shutdowns. Should not be left floating."+        "description": "Active-high shutdown. Positive signal immediately sets the PWM latch (fast turn-off) and enables a 150 µA sink that discharges the soft-start cap for extended shutdowns. Should not be left floating."       },       {         "number": "11",         "name": "Output A",         "type": "output",-        "description": "Totem-pole PWM output A. Sources/sinks up to \u00b1100 mA steady state, \u00b1400 mA peak. Alternates with Output B on successive oscillator cycles; NOR-logic low in off-state."+        "description": "Totem-pole PWM output A. Sources/sinks up to ±100 mA steady state, ±400 mA peak. Alternates with Output B on successive oscillator cycles; NOR-logic low in off-state."       },       {         "number": "12",@@ -112,7 +112,7 @@         "number": "14",         "name": "Output B",         "type": "output",-        "description": "Totem-pole PWM output B. Complements Output A (alternates each oscillator cycle). Sources/sinks up to \u00b1100 mA steady state, \u00b1400 mA peak."+        "description": "Totem-pole PWM output B. Complements Output A (alternates each oscillator cycle). Sources/sinks up to ±100 mA steady state, ±400 mA peak."       },       {         "number": "15",@@ -124,7 +124,7 @@         "number": "16",         "name": "Vref",         "type": "power_out",-        "description": "Internal +5.1 V reference output, trimmed to \u00b11%. Sources up to 20 mA of load current; short-circuit limited to ~80 mA. Bypass to ground with a small ceramic (typ 0.1 \u00b5F)."+        "description": "Internal +5.1 V reference output, trimmed to ±1%. Sources up to 20 mA of load current; short-circuit limited to ~80 mA. Bypass to ground with a small ceramic (typ 0.1 µF)."       }     ],     "provenance": {@@ -150,8 +150,8 @@     "pin1": {       "pad": "1",       "at": [-        0.0,-        0.0+        0,+        0       ],       "corner": "bottom-right",       "source": "fab-chamfer",@@ -198,9 +198,9 @@     "docs/hero.png",     "docs/sg3525ang-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"+    "viewers/footprint.html",+    "pads.json"   ],-  "visibility": {-    "public": true-  }+  "visibility": "public",+  "description": "onsemi AC-DC Controllers and Regulators, DIP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D." }\ No newline at end of file