component
LM2676SX-5.0
Public Made by Adomby adom
Texas Instruments DC-DC Converters, TO-263-7. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# LM2676SX-5.0++**Texas Instruments** · DC-DC Converters · TO-263-7++LM2676SX-5.0 from Texas Instruments, in a TO-263-7. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | Switch_output | output | Source pin of internal high-side FET; switching node connecting inductor and external diode cathode, with voltage switching between VIN and ground potential minus diode forward voltage. |+| 2 | Input | power_in | Power supply input for high-side FET collector; connect to input voltage source and input bypass capacitor CIN with minimal impedance path to ground for optimal performance. |+| 3 | CB | output | Bootstrap capacitor connection for high-side gate driver; connect 100nF quality capacitor between this pin and VSW (pin 1) to generate gate drive voltage above VIN for full MOSFET conduction. |+| 4 | GND | power_in | Power ground reference pin for all circuit elements; connect to system ground and ground pins of CIN and COUT with minimum loop inductance. |+| 5 | NC | unconnected | No connection pin. |+| 6 | FB | input | Feedback detection input for two-stage high-gain PWM control amplifier; connect directly to output capacitor for fixed-voltage versions or to feedback divider midpoint for adjustable versions to set output voltage. |+| 7 | ON/OFF | input | Voltage regulator enable input with 1.4V threshold and internal 20µA pullup source; high level enables operation, low level (≤0.8V) disables with 50µA standby current, maximum 6V above ground. |+| 8 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TO-263-7 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM2676SX-5.0`+- Footprint: `Package_TO_SOT_SMD:TO-263-7_TabPin8`+- 3D model: TO-263-7 (KiCad packages3D, STEP)+- 3D model files: `lm2676sx-5-0-etched.step` / `lm2676sx-5-0-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2676sx-5-0.step` / `lm2676sx-5-0.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/lm2676) (40 pp, sha256 `e66be2b2a64d67e2`, retrieved 2026-09-23, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/lm2676sx-5-0-datasheet.pdf)
page.jsonadded+143@@ -0,0 +1,143 @@+{+ "slug": "lm2676sx-5-0",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, TO-263-7. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm2676sx-5.0",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm2676sx-5-0.kicad_sym",+ "lm2676sx-5-0.kicad_mod",+ "lm2676sx-5-0.glb",+ "lm2676sx-5-0.step",+ "lm2676sx-5-0.lbr",+ "docs/hero.png",+ "docs/lm2676sx-5-0-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM2676SX-5.0",+ "manufacturer": "Texas Instruments",+ "package": "TO-263-7",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm2676",+ "parts": {+ "symbol": "lm2676sx-5-0.kicad_sym",+ "footprint": "lm2676sx-5-0.kicad_mod",+ "model_3d": "lm2676sx-5-0-etched.glb",+ "model_3d_plain": "lm2676sx-5-0.glb",+ "model_3d_step": "lm2676sx-5-0-etched.step",+ "model_3d_step_plain": "lm2676sx-5-0.step",+ "lbr": "lm2676sx-5-0.lbr"+ },+ "distributor_links": {+ "lcsc": "C24710"+ },+ "pins": [+ {+ "number": "1",+ "name": "Switch_output",+ "type": "output",+ "description": "Source pin of internal high-side FET; switching node connecting inductor and external diode cathode, with voltage switching between VIN and ground potential minus diode forward voltage."+ },+ {+ "number": "2",+ "name": "Input",+ "type": "power_in",+ "description": "Power supply input for high-side FET collector; connect to input voltage source and input bypass capacitor CIN with minimal impedance path to ground for optimal performance."+ },+ {+ "number": "3",+ "name": "CB",+ "type": "output",+ "description": "Bootstrap capacitor connection for high-side gate driver; connect 100nF quality capacitor between this pin and VSW (pin 1) to generate gate drive voltage above VIN for full MOSFET conduction."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Power ground reference pin for all circuit elements; connect to system ground and ground pins of CIN and COUT with minimum loop inductance."+ },+ {+ "number": "5",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection pin."+ },+ {+ "number": "6",+ "name": "FB",+ "type": "input",+ "description": "Feedback detection input for two-stage high-gain PWM control amplifier; connect directly to output capacitor for fixed-voltage versions or to feedback divider midpoint for adjustable versions to set output voltage."+ },+ {+ "number": "7",+ "name": "ON/OFF",+ "type": "input",+ "description": "Voltage regulator enable input with 1.4V threshold and internal 20µA pullup source; high level enables operation, low level (≤0.8V) disables with 50µA standby current, maximum 6V above ground."+ },+ {+ "number": "8",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 8 added from the footprint"+ ],+ "pages_sent": 40,+ "cost_usd": 0.4746,+ "at": "2026-09-23T11:06:18"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm2676",+ "pages": 40,+ "sha256": "e66be2b2a64d67e2",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}