component
TD1688
Public Made by Adomby adom
Techcode Semicon DC-DC Converters, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -38,6 +38,20 @@ TD1688 from Techcode Semicon, in a ESOP-8. Pinout and pin descriptions extracted - Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm` - 3D model: ESOP-8 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`td1688.step`](td1688.step) | 193 KB | You want the bare part, or you mark your own boards. |+| [`td1688-etched.step`](td1688-etched.step) | 1.3 MB | You want the part with `TD1688` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 331 faces against 63 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": "td1688",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "Techcode Semicon DC-DC Converters, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+11−8@@ -4,7 +4,7 @@ "slug": "td1688", "title": "TD1688", "brief": "Techcode Semicon DC-DC Converters, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -34,13 +34,13 @@ "number": "1", "name": "SW", "type": "output",- "description": "Power switching output; drain of the internal N-channel power MOSFET (RDS(ON) \u2248 0.7\u03a9). Connects to the external inductor and Schottky freewheeling diode to supply the output LC filter. Switches between VIN and near-GND at 480 kHz."+ "description": "Power switching output; drain of the internal N-channel power MOSFET (RDS(ON) ≈ 0.7Ω). Connects to the external inductor and Schottky freewheeling diode to supply the output LC filter. Switches between VIN and near-GND at 480 kHz." }, { "number": "2", "name": "EN", "type": "input",- "description": "On/Off enable input. Pull above VEN_R \u2248 1.35V (falling threshold \u2248 1.17V, hysteresis \u2248 180mV) to turn the device on. For automatic enable, connect to VIN through a 1M\u03a9 resistor. Absolute max 6V."+ "description": "On/Off enable input. Pull above VEN_R ≈ 1.35V (falling threshold ≈ 1.17V, hysteresis ≈ 180mV) to turn the device on. For automatic enable, connect to VIN through a 1MΩ resistor. Absolute max 6V." }, { "number": "3",@@ -70,19 +70,19 @@ "number": "7", "name": "VIN", "type": "power_in",- "description": "Supply voltage input. Operates from 11V to 60V unregulated input (absolute max 60V). Requires a local bypass capacitor (C1, typ. 1\u00b5F ceramic X5R/X7R) to prevent large voltage spikes at the input."+ "description": "Supply voltage input. Operates from 11V to 60V unregulated input (absolute max 60V). Requires a local bypass capacitor (C1, typ. 1µF ceramic X5R/X7R) to prevent large voltage spikes at the input." }, { "number": "8", "name": "BST", "type": "passive",- "description": "Bootstrap capacitor node for the high-side gate driver. Connect a 0.1\u00b5F capacitor between SW and BST to form a floating supply that drives the power switch gate above VIN. Absolute max VBST = VSW-0.3 to VSW+6V."+ "description": "Bootstrap capacitor node for the high-side gate driver. Connect a 0.1µF capacitor between SW and BST to form a floating supply that drives the power switch gate above VIN. Absolute max VBST = VSW-0.3 to VSW+6V." }, { "number": "9", "name": "GND", "type": "power_in",- "description": "Exposed thermal pad. Electrically GND. Connect to the system ground plane with a large copper area for good thermal conductivity and low-impedance return; critical for maintaining junction temperature within limits (\u03b8JA \u2248 50\u00b0C/W)."+ "description": "Exposed thermal pad. Electrically GND. Connect to the system ground plane with a large copper area for good thermal conductivity and low-impedance return; critical for maintaining junction temperature within limits (θJA ≈ 50°C/W)." } ], "provenance": {@@ -156,6 +156,9 @@ "docs/hero.png", "docs/td1688-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"- ]+ "viewers/footprint.html",+ "pads.json"+ ],+ "description": "Techcode Semicon DC-DC Converters, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "visibility": "public" }