component
LM3404MAX
Public Made by Adomby adom
Texas Instruments LED Drivers, 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 @@+# LM3404MAX++**Texas Instruments** · LED Drivers · SOIC-8++LM3404MAX 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 | SW | output | Switch pin that connects to the output inductor and Schottky diode; the absolute maximum SW to GND rating is -1.5 V to 45 V for the LM3404. |+| 2 | BOOT | output | MOSFET drive bootstrap pin that requires a 10-nF ceramic capacitor connected from this pin to SW, with BOOT to SW rated at -0.3 V to 14 V. |+| 3 | DIM | input | Input for PWM dimming that enables and disables the power MOSFET when driven by a logic-level PWM signal, with DIM to GND rated at -0.3 V to 7 V. |+| 4 | GND | power_in | Ground pin that connects to system ground. |+| 5 | CS | input | Current sense feedback pin where a resistor from this pin to ground sets the LED array current, with CS to GND rated at -0.3 V to 7 V. |+| 6 | RON | input | On-time control pin where a resistor from this pin to VIN sets the regulator controlled on-time, with RON to GND rated at -0.3 V to 7 V. |+| 7 | VCC | power_out | Output of the internal 7-V linear regulator that must be bypassed to ground with a minimum 0.1-µF X5R or X7R ceramic capacitor. |+| 8 | VIN | power_in | Input voltage pin with a nominal operating range of 6 V to 42 V for the LM3404 (6 V to 75 V for the LM3404HV). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | LED Drivers |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM3404MAX`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `lm3404max-etched.step` / `lm3404max-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm3404max.step` / `lm3404max.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/lm3404) (47 pp, sha256 `c30b6b258c57c07a`, 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/lm3404max-datasheet.pdf)
page.jsonadded+201@@ -0,0 +1,201 @@+{+ "slug": "lm3404max",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments LED Drivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "led drivers",+ "lm3404max",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm3404max.kicad_sym",+ "lm3404max.kicad_mod",+ "lm3404max.glb",+ "lm3404max.step",+ "lm3404max.lbr",+ "docs/hero.png",+ "docs/lm3404max-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm3404max-hero.glb",+ "lm3404max-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM3404MAX",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "LED Drivers",+ "subcategory": "LED Drivers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm3404",+ "parts": {+ "symbol": "lm3404max.kicad_sym",+ "footprint": "lm3404max.kicad_mod",+ "model_3d": "lm3404max-hero.glb",+ "model_3d_plain": "lm3404max.glb",+ "model_3d_step": "lm3404max-etched.step",+ "model_3d_step_plain": "lm3404max.step",+ "lbr": "lm3404max.lbr"+ },+ "distributor_links": {+ "lcsc": "C701826",+ "digikey": "LM3404MAXTR-ND",+ "mouser": "926-LM3404MAX"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T20:29:44Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LM3404MAXTR-ND",+ "status": "found",+ "lifecycle": "Discontinued at DigiKey"+ },+ "mouser": {+ "pn": "926-LM3404MAX",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "SW",+ "type": "output",+ "description": "Switch pin that connects to the output inductor and Schottky diode; the absolute maximum SW to GND rating is -1.5 V to 45 V for the LM3404."+ },+ {+ "number": "2",+ "name": "BOOT",+ "type": "output",+ "description": "MOSFET drive bootstrap pin that requires a 10-nF ceramic capacitor connected from this pin to SW, with BOOT to SW rated at -0.3 V to 14 V."+ },+ {+ "number": "3",+ "name": "DIM",+ "type": "input",+ "description": "Input for PWM dimming that enables and disables the power MOSFET when driven by a logic-level PWM signal, with DIM to GND rated at -0.3 V to 7 V."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin that connects to system ground."+ },+ {+ "number": "5",+ "name": "CS",+ "type": "input",+ "description": "Current sense feedback pin where a resistor from this pin to ground sets the LED array current, with CS to GND rated at -0.3 V to 7 V."+ },+ {+ "number": "6",+ "name": "RON",+ "type": "input",+ "description": "On-time control pin where a resistor from this pin to VIN sets the regulator controlled on-time, with RON to GND rated at -0.3 V to 7 V."+ },+ {+ "number": "7",+ "name": "VCC",+ "type": "power_out",+ "description": "Output of the internal 7-V linear regulator that must be bypassed to ground with a minimum 0.1-µF X5R or X7R ceramic capacitor."+ },+ {+ "number": "8",+ "name": "VIN",+ "type": "power_in",+ "description": "Input voltage pin with a nominal operating range of 6 V to 42 V for the LM3404 (6 V to 75 V for the LM3404HV)."+ }+ ],+ "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 pin-configuration top-view text on page 3 is scrambled and its pin numbers do not match the Pin ; The datasheet lists VIN as type I. It is typed power_in here because it is the supply input; change ; The datasheet lists VCC as type O. It is typed power_out here because it is the internal regulator o"+ ],+ "pages_sent": 8,+ "cost_usd": 0.0651,+ "at": "2026-10-08T20:29:12"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm3404",+ "pages": 47,+ "sha256": "c30b6b258c57c07a",+ "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": "lm3404max.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": "lm3404max-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": "edfcc5f4f55df18d83d5ad4bf641c17901cf75b88c3a4ed00b92f043bcf708cf",+ "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]"+ }+}