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LM285MX-1.2
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Texas Instruments Voltage Reference, SOIC-8. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# LM285MX-1.2++**Texas Instruments** · Voltage Reference · SOIC-8++LM285MX-1.2 from Texas Instruments, in a SOIC-8. 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 | NC | unconnected | No internal connection; not connected to the die per the SOIC connection diagram. |+| 2 | NC | unconnected | No internal connection; not connected to the die per the SOIC connection diagram. |+| 3 | NC | unconnected | No internal connection; not connected to the die per the SOIC connection diagram. |+| 4 | - | passive | Negative (anode) terminal of the 2-terminal band-gap voltage reference diode, the low side of the reverse-breakdown voltage measured to pin 8. |+| 5 | NC | unconnected | No internal connection; not connected to the die per the SOIC connection diagram. |+| 6 | NC | unconnected | No internal connection; not connected to the die per the SOIC connection diagram. |+| 7 | NC | unconnected | No internal connection; not connected to the die per the SOIC connection diagram. |+| 8 | + | passive | Positive (cathode) terminal of the 2-terminal band-gap voltage reference diode; operated in reverse breakdown over 10μA to 20mA with a nominal 1.235V (1.223V-1.247V) drop to pin 4. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM285MX-1.2`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `lm285mx-1-2-etched.step` / `lm285mx-1-2-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm285mx-1-2.step` / `lm285mx-1-2.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/lm385-1.2-n) (30 pp, sha256 `f069722c4b8202b3`, retrieved 2026-09-29, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/lm285mx-1-2-datasheet.pdf)
page.jsonadded+144@@ -0,0 +1,144 @@+{+ "slug": "lm285mx-1-2",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Voltage Reference, SOIC-8. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm285mx-1.2",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm285mx-1-2.kicad_sym",+ "lm285mx-1-2.kicad_mod",+ "lm285mx-1-2.glb",+ "lm285mx-1-2.step",+ "lm285mx-1-2.lbr",+ "docs/hero.png",+ "docs/lm285mx-1-2-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM285MX-1.2",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Reference",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm385-1.2-n",+ "parts": {+ "symbol": "lm285mx-1-2.kicad_sym",+ "footprint": "lm285mx-1-2.kicad_mod",+ "model_3d": "lm285mx-1-2-etched.glb",+ "model_3d_plain": "lm285mx-1-2.glb",+ "model_3d_step": "lm285mx-1-2-etched.step",+ "model_3d_step_plain": "lm285mx-1-2.step",+ "lbr": "lm285mx-1-2.lbr"+ },+ "distributor_links": {+ "lcsc": "C2156970",+ "digikey": "296-LM285MX-1.2-ND",+ "mouser": "926-LM285MX-12"+ },+ "distributor_check": {+ "checked_at": "2026-09-29T16:32:42Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-LM285MX-1.2-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LM285MX-12",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; not connected to the die per the SOIC connection diagram."+ },+ {+ "number": "2",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; not connected to the die per the SOIC connection diagram."+ },+ {+ "number": "3",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; not connected to the die per the SOIC connection diagram."+ },+ {+ "number": "4",+ "name": "-",+ "type": "passive",+ "description": "Negative (anode) terminal of the 2-terminal band-gap voltage reference diode, the low side of the reverse-breakdown voltage measured to pin 8."+ },+ {+ "number": "5",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; not connected to the die per the SOIC connection diagram."+ },+ {+ "number": "6",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; not connected to the die per the SOIC connection diagram."+ },+ {+ "number": "7",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; not connected to the die per the SOIC connection diagram."+ },+ {+ "number": "8",+ "name": "+",+ "type": "passive",+ "description": "Positive (cathode) terminal of the 2-terminal band-gap voltage reference diode; operated in reverse breakdown over 10μA to 20mA with a nominal 1.235V (1.223V-1.247V) drop to pin 4."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm385-1.2-n",+ "pages": 30,+ "sha256": "f069722c4b8202b3",+ "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]"+ }+}