component
LM3676SD-3.3
Public Made by Adomby adom
Texas Instruments DC-DC Converters, WSON-8-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# LM3676SD-3.3++**Texas Instruments** · DC-DC Converters · WSON-8-EP(3x3)++LM3676SD-3.3 from Texas Instruments, in a WSON-8-EP(3x3). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | PGND | power_in | Power ground pin. |+| 2 | SW | output | Switching node connection to the internal PFET switch and NFET synchronous rectifier. |+| 3 | MODE | input | Mode control pin: >1.0V selects continuous PWM mode; <0.4V selects Auto (PFM-PWM) mode. |+| 4 | FB | input | Feedback analog input; connect directly to the output filter capacitor for fixed voltage versions. |+| 5 | EN | input | Enable pin; device is in shutdown mode when voltage is <0.4V and enabled when >1.0V. |+| 6 | NC | unconnected | Not connected; leave pin floating and do not connect to other pins. |+| 7 | SGND | power_in | Signal ground pin. |+| 8 | VIN | power_in | Power supply input; connect to the input filter capacitor. |+| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WSON-8-EP(3x3) |+| Category | Power Management (PMIC) |+| Pins | 9 |++## CAD (KiCad official)++- Symbol: `LM3676SD-3.3`+- Footprint: `Package_SON:WSON-8-1EP_3x3mm_P0.5mm_EP1.6x2.0mm`+- 3D model: WSON-8-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `lm3676sd-3-3-etched.step` / `lm3676sd-3-3-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm3676sd-3-3.step` / `lm3676sd-3-3.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/lm3676) (27 pp, sha256 `32b5d5fe31ca1bd6`, retrieved 2026-10-07, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (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/lm3676sd-3-3-datasheet.pdf)
page.jsonadded+207@@ -0,0 +1,207 @@+{+ "slug": "lm3676sd-3-3",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, WSON-8-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm3676sd-3.3",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm3676sd-3-3.kicad_sym",+ "lm3676sd-3-3.kicad_mod",+ "lm3676sd-3-3.glb",+ "lm3676sd-3-3.step",+ "lm3676sd-3-3.lbr",+ "docs/hero.png",+ "docs/lm3676sd-3-3-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm3676sd-3-3-hero.glb",+ "lm3676sd-3-3-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM3676SD-3.3",+ "manufacturer": "Texas Instruments",+ "package": "WSON-8-EP(3x3)",+ "pin_count": 9,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm3676",+ "parts": {+ "symbol": "lm3676sd-3-3.kicad_sym",+ "footprint": "lm3676sd-3-3.kicad_mod",+ "model_3d": "lm3676sd-3-3-hero.glb",+ "model_3d_plain": "lm3676sd-3-3.glb",+ "model_3d_step": "lm3676sd-3-3-etched.step",+ "model_3d_step_plain": "lm3676sd-3-3.step",+ "lbr": "lm3676sd-3-3.lbr"+ },+ "distributor_links": {+ "lcsc": "C2865794",+ "digikey": "LM3676SD-3.3TR-ND",+ "mouser": "926-LM3676SD-33"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T02:32:07Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LM3676SD-3.3TR-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LM3676SD-33",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground pin."+ },+ {+ "number": "2",+ "name": "SW",+ "type": "output",+ "description": "Switching node connection to the internal PFET switch and NFET synchronous rectifier."+ },+ {+ "number": "3",+ "name": "MODE",+ "type": "input",+ "description": "Mode control pin: >1.0V selects continuous PWM mode; <0.4V selects Auto (PFM-PWM) mode."+ },+ {+ "number": "4",+ "name": "FB",+ "type": "input",+ "description": "Feedback analog input; connect directly to the output filter capacitor for fixed voltage versions."+ },+ {+ "number": "5",+ "name": "EN",+ "type": "input",+ "description": "Enable pin; device is in shutdown mode when voltage is <0.4V and enabled when >1.0V."+ },+ {+ "number": "6",+ "name": "NC",+ "type": "unconnected",+ "description": "Not connected; leave pin floating and do not connect to other pins."+ },+ {+ "number": "7",+ "name": "SGND",+ "type": "power_in",+ "description": "Signal ground pin."+ },+ {+ "number": "8",+ "name": "VIN",+ "type": "power_in",+ "description": "Power supply input; connect to the input filter capacitor."+ },+ {+ "number": "9",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 9 added from the footprint"+ ],+ "pages_sent": 7,+ "cost_usd": 0.071,+ "at": "2026-10-07T02:31:54"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm3676",+ "pages": 27,+ "sha256": "32b5d5fe31ca1bd6",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 9,+ "described": 9,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "lm3676sd-3-3.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 3,+ 2.98,+ 0.82+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "cbee016fb8ee69c44b13d8818fcf65dcf240f5fdca70b22700521eb617c5311a",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm3676sd-3-3-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 3,+ 2.98,+ 0.82+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "a769aeca3fcc085b9d2156f19bf6ff72806e1e93c44b677d237f5d9854599a61",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}