component
LM3401MMX
Public Made by Adomby adom
Texas Instruments LED Drivers, MSOP-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 @@+# LM3401MMX++**Texas Instruments** · LED Drivers · MSOP-8++LM3401MMX from Texas Instruments, in a MSOP-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 | CS | input | Current sense pin, connected to the PFET drain; the datasheet gives an absolute maximum range of -2.0V to 36V for CS. |+| 2 | DIM | input | Dimming input; when DIM is low the HG drive is off, and it can be driven by a logic-level PWM signal (absolute maximum -0.3V to 36V). |+| 3 | SNS | input | Current feedback pin connected to the LED cathode; a resistor from this pin to ground sets the DC LED current (absolute maximum -0.3V to 8V). |+| 4 | HYS | passive | Hysteresis adjust pin; a resistor from this pin to GND sets the hysteresis window (absolute maximum -0.3V to 4V). |+| 5 | GND | power_in | Ground pin for the controller; the datasheet asks that the SNS, HYS and GND connections use an isolated ground area and be grounded close to this pin. |+| 6 | HG | output | Gate drive output that connects to the PFET gate. |+| 7 | VIN | power_in | Power supply input, operating range 4.5V to 35V with an absolute maximum of 36V. |+| 8 | ILIM | passive | Current limit adjust pin; a resistor from this pin to the PFET source sets the current limit threshold (absolute maximum -0.3V to 36V). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | MSOP-8 |+| Category | Nixie Tube Driver/LED Driver |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM3401MMX`+- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`+- 3D model: MSOP-8 (KiCad packages3D, STEP)+- 3D model files: `lm3401mmx-etched.step` / `lm3401mmx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm3401mmx.step` / `lm3401mmx.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/lm3401) (26 pp, sha256 `5fa65167b595991e`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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/lm3401mmx-datasheet.pdf)
page.jsonadded+197@@ -0,0 +1,197 @@+{+ "slug": "lm3401mmx",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments LED Drivers, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "nixie tube driver-led driver",+ "lm3401mmx",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm3401mmx.kicad_sym",+ "lm3401mmx.kicad_mod",+ "lm3401mmx.glb",+ "lm3401mmx.step",+ "lm3401mmx.lbr",+ "docs/hero.png",+ "docs/lm3401mmx-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm3401mmx-hero.glb",+ "lm3401mmx-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM3401MMX",+ "manufacturer": "Texas Instruments",+ "package": "MSOP-8",+ "pin_count": 8,+ "category": "Nixie Tube Driver/LED Driver",+ "subcategory": "LED Drivers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm3401",+ "parts": {+ "symbol": "lm3401mmx.kicad_sym",+ "footprint": "lm3401mmx.kicad_mod",+ "model_3d": "lm3401mmx-hero.glb",+ "model_3d_plain": "lm3401mmx.glb",+ "model_3d_step": "lm3401mmx-etched.step",+ "model_3d_step_plain": "lm3401mmx.step",+ "lbr": "lm3401mmx.lbr"+ },+ "distributor_links": {+ "lcsc": "C11131"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T19:49:57Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "CS",+ "type": "input",+ "description": "Current sense pin, connected to the PFET drain; the datasheet gives an absolute maximum range of -2.0V to 36V for CS."+ },+ {+ "number": "2",+ "name": "DIM",+ "type": "input",+ "description": "Dimming input; when DIM is low the HG drive is off, and it can be driven by a logic-level PWM signal (absolute maximum -0.3V to 36V)."+ },+ {+ "number": "3",+ "name": "SNS",+ "type": "input",+ "description": "Current feedback pin connected to the LED cathode; a resistor from this pin to ground sets the DC LED current (absolute maximum -0.3V to 8V)."+ },+ {+ "number": "4",+ "name": "HYS",+ "type": "passive",+ "description": "Hysteresis adjust pin; a resistor from this pin to GND sets the hysteresis window (absolute maximum -0.3V to 4V)."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin for the controller; the datasheet asks that the SNS, HYS and GND connections use an isolated ground area and be grounded close to this pin."+ },+ {+ "number": "6",+ "name": "HG",+ "type": "output",+ "description": "Gate drive output that connects to the PFET gate."+ },+ {+ "number": "7",+ "name": "VIN",+ "type": "power_in",+ "description": "Power supply input, operating range 4.5V to 35V with an absolute maximum of 36V."+ },+ {+ "number": "8",+ "name": "ILIM",+ "type": "passive",+ "description": "Current limit adjust pin; a resistor from this pin to the PFET source sets the current limit threshold (absolute maximum -0.3V to 36V)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The datasheet's pin table (page 2) defines the 8-lead VSSOP (DGK) pinout. The hint 'MSOP-8' is the s; Pin types are KiCad ERC classes I assigned from the pin function text, since the datasheet does not ; The absolute maximum voltages in the descriptions come from the Absolute Maximum Ratings table on pa"+ ],+ "pages_sent": 9,+ "cost_usd": 0.0504,+ "at": "2026-10-08T19:49:43"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm3401",+ "pages": 26,+ "sha256": "5fa65167b595991e",+ "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": "lm3401mmx.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4.9,+ 3,+ 0.95+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm3401mmx-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4.9,+ 3,+ 0.95+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "61b7b580798b92239166dcbb674e08d27b8f5437dc092f3e3b5c6c51e4d16da4",+ "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]"+ }+}