component
LM334SMX
Public Made by Adomby adom
Texas Instruments Current Source / Constant Current Source, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# LM334SMX++**Texas Instruments** · Current Source / Constant Current Source · SOIC-8++LM334SMX 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 | V- | power_in | Negative terminal of the floating current source (current-out side); the datasheet rates V+ to V- forward voltage at 40V max. |+| 2 | R | passive | Set-resistor pin where RSET connects to establish ISET (approx. 67.7 mV/RSET at 25°C); voltage from R to V- is limited to 5V max. |+| 3 | V+ | power_in | Positive terminal of the floating current source; set current ISET flows into this pin, with 40V max forward and 20V max reverse voltage to V-. |+| 4 | NC | unconnected | No internal connection. |+| 5 | NC | unconnected | No internal connection. |+| 6 | NC | unconnected | No internal connection. |+| 7 | NC | unconnected | No internal connection. |+| 8 | NC | unconnected | No internal connection. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM334SMX`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `lm334smx-etched.step` / `lm334smx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm334smx.step` / `lm334smx.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/lm334) (31 pp, sha256 `69c23db7227e75e6`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/lm334smx-datasheet.pdf)
page.jsonadded+202@@ -0,0 +1,202 @@+{+ "slug": "lm334smx",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Current Source / Constant Current Source, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm334smx",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm334smx.kicad_sym",+ "lm334smx.kicad_mod",+ "lm334smx.glb",+ "lm334smx.step",+ "lm334smx.lbr",+ "docs/hero.png",+ "docs/lm334smx-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm334smx-hero.glb",+ "lm334smx-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM334SMX",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "Current Source / Constant Current Source",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm334",+ "parts": {+ "symbol": "lm334smx.kicad_sym",+ "footprint": "lm334smx.kicad_mod",+ "model_3d": "lm334smx-hero.glb",+ "model_3d_plain": "lm334smx.glb",+ "model_3d_step": "lm334smx-etched.step",+ "model_3d_step_plain": "lm334smx.step",+ "lbr": "lm334smx.lbr"+ },+ "distributor_links": {+ "lcsc": "C2653831",+ "digikey": "LM334SMX-ND",+ "mouser": "926-LM334SMX"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T03:37:01Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LM334SMX-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LM334SMX",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "V-",+ "type": "power_in",+ "description": "Negative terminal of the floating current source (current-out side); the datasheet rates V+ to V- forward voltage at 40V max."+ },+ {+ "number": "2",+ "name": "R",+ "type": "passive",+ "description": "Set-resistor pin where RSET connects to establish ISET (approx. 67.7 mV/RSET at 25°C); voltage from R to V- is limited to 5V max."+ },+ {+ "number": "3",+ "name": "V+",+ "type": "power_in",+ "description": "Positive terminal of the floating current source; set current ISET flows into this pin, with 40V max forward and 20V max reverse voltage to V-."+ },+ {+ "number": "4",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "5",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "6",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "7",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "8",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-sonnet-5-5",+ "primary_mode": "text+vision",+ "consensus_model": "claude-opus-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: LM334SMX uses the SOIC-8 alternative pinout (Figure 2), which differs from the LM334M/MX pinout in F; Pin positions come from reading the small labels in the Figure 2 image. I read pins 1 to 4 as V-, R,",+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 31,+ "cost_usd": 0.4869,+ "at": "2026-10-08T03:36:46"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm334",+ "pages": 31,+ "sha256": "69c23db7227e75e6",+ "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"+ },+ "models_3d": [+ {+ "file": "lm334smx.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm334smx-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "ac2422cbc1c3975745b4eeb3a744bd2d47e0dcecb2f6d525cc2a0c996483d5f9",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}