component
TL494IDR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, SOIC-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -52,6 +52,20 @@ TL494IDR from Texas Instruments, in a SOIC-16. Pinout and pin descriptions extra - Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm` - 3D model: SOIC-16 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`tl494idr.step`](tl494idr.step) | 217 KB | You want the bare part, or you mark your own boards. |+| [`tl494idr-etched.step`](tl494idr-etched.step) | 1.9 MB | You want the part with `TL494IDR` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 496 faces against 267 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": "tl494idr",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "Texas Instruments DC-DC Converters, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+14−14@@ -4,7 +4,7 @@ "slug": "tl494idr", "title": "TL494IDR", "brief": "Texas Instruments DC-DC Converters, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -34,37 +34,37 @@ "number": "1", "name": "1IN+", "type": "input",- "description": "Noninverting input to error amplifier 1. Common-mode input range \u22120.3 V to VCC \u2212 2 V."+ "description": "Noninverting input to error amplifier 1. Common-mode input range −0.3 V to VCC − 2 V." }, { "number": "2", "name": "1IN-", "type": "input",- "description": "Inverting input to error amplifier 1. Common-mode input range \u22120.3 V to VCC \u2212 2 V."+ "description": "Inverting input to error amplifier 1. Common-mode input range −0.3 V to VCC − 2 V." }, { "number": "3", "name": "FEEDBACK", "type": "input",- "description": "Feedback / PWM-comparator input. Zero-duty-cycle input threshold \u22484 V; sinks 0.3-0.7 mA at 0.7 V. Ties together error-amp outputs and PWM comparator input."+ "description": "Feedback / PWM-comparator input. Zero-duty-cycle input threshold ≈4 V; sinks 0.3-0.7 mA at 0.7 V. Ties together error-amp outputs and PWM comparator input." }, { "number": "4", "name": "DTC", "type": "input",- "description": "Dead-time control comparator input. Programs the minimum guaranteed off-time between output pulses; 0 V gives ~45% max duty per output, ~3.3 V forces zero duty. Input bias current up to \u221210 \u03bcA (0 to 5.25 V)."+ "description": "Dead-time control comparator input. Programs the minimum guaranteed off-time between output pulses; 0 V gives ~45% max duty per output, ~3.3 V forces zero duty. Input bias current up to −10 μA (0 to 5.25 V)." }, { "number": "5", "name": "CT", "type": "passive",- "description": "Oscillator timing capacitor terminal. CT ties from this pin to GND; recommended 0.47 nF to 10 \u03bcF. Sets oscillator frequency together with RT (fosc \u2248 1.1/(RT\u00b7CT))."+ "description": "Oscillator timing capacitor terminal. CT ties from this pin to GND; recommended 0.47 nF to 10 μF. Sets oscillator frequency together with RT (fosc ≈ 1.1/(RT·CT))." }, { "number": "6", "name": "RT", "type": "passive",- "description": "Oscillator timing resistor terminal. RT ties from this pin to GND; recommended 1.8 k\u03a9 to 500 k\u03a9. Sets oscillator charge current with CT for fosc = 1 kHz-300 kHz."+ "description": "Oscillator timing resistor terminal. RT ties from this pin to GND; recommended 1.8 kΩ to 500 kΩ. Sets oscillator charge current with CT for fosc = 1 kHz-300 kHz." }, { "number": "7",@@ -112,19 +112,19 @@ "number": "14", "name": "REF", "type": "power_out",- "description": "Internal 5-V \u00b15% precision reference output (4.75-5.25 V at IO = 1 mA). Source up to 10 mA to external circuitry; short-circuit current \u224825 mA. Commonly used to bias OUTPUT CTRL and error-amp dividers."+ "description": "Internal 5-V ±5% precision reference output (4.75-5.25 V at IO = 1 mA). Source up to 10 mA to external circuitry; short-circuit current ≈25 mA. Commonly used to bias OUTPUT CTRL and error-amp dividers." }, { "number": "15", "name": "2IN-", "type": "input",- "description": "Inverting input to error amplifier 2. Common-mode input range \u22120.3 V to VCC \u2212 2 V."+ "description": "Inverting input to error amplifier 2. Common-mode input range −0.3 V to VCC − 2 V." }, { "number": "16", "name": "2IN+", "type": "input",- "description": "Noninverting input to error amplifier 2. Common-mode input range \u22120.3 V to VCC \u2212 2 V."+ "description": "Noninverting input to error amplifier 2. Common-mode input range −0.3 V to VCC − 2 V." } ], "provenance": {@@ -198,9 +198,9 @@ "docs/hero.png", "docs/tl494idr-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "Texas Instruments DC-DC Converters, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D." }