component
LM3409QMYX
Public Made by Adomby adom
Texas Instruments LED Drivers, HVSSOP-10-EP-0.5mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+47@@ -0,0 +1,47 @@+# LM3409QMYX++**Texas Instruments** · LED Drivers · HVSSOP-10-EP-0.5mm++LM3409QMYX from Texas Instruments, in a HVSSOP-10-EP-0.5mm. 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 | UVLO | input | Input undervoltage lockout pin: connect to a resistor divider from VIN and GND; turn-on threshold is 1.24 V and turn-off hysteresis is provided by a 22 µA current source. |+| 2 | IADJ | input | Analog LED current adjust: apply 0 to 1.24 V, connect a resistor to GND, or leave open to set the current sense threshold voltage (IADJ current limited to ±5 mA continuous). |+| 3 | EN | input | Logic-level enable and PWM dimming input: a voltage above 1.74 V enables the device, a PWM signal dims it, and a voltage below 0.5 V selects low-power shutdown. |+| 4 | COFF | passive | Off-time programming pin: connect a resistor from VO and a capacitor to GND to set the off-time; COFF is rated -0.3 V to 4 V to GND with ±1 mA continuous current. |+| 5 | GND | power_in | System ground; connect to system ground. |+| 6 | PGATE | output | Gate drive output: connect to the gate of the external P-channel MOSFET; VIN to PGATE is rated -0.3 V to 7 V (9.5 V maximum for 100 ns). |+| 7 | CSN | input | Negative current sense input: connect to the negative side of the sense resistor, with VIN to CSN limited to -0.3 V to 0.3 V. |+| 8 | CSP | input | Positive current sense input: connect to the positive side of the sense resistor and also to VIN, with VIN to CSP limited to -0.3 V to 0.3 V. |+| 9 | VCC | power_out | VIN-referenced linear regulator output providing P-channel MOSFET drive power: connect at least a 1 µF ceramic capacitor to VIN; VIN to VCC is rated -0.3 V to 7 V. |+| 10 | VIN | power_in | Input voltage: connect to the input supply; for the LM3409-Q1 this is rated 6 V to 42 V. |+| 11 | DAP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | HVSSOP-10-EP-0.5mm |+| Category | LED Drivers |+| Pins | 11 |++## CAD (KiCad official)++- Symbol: `LM3409QMYX`+- Footprint: `Package_SO:MSOP-10-1EP_3x3mm_P0.5mm_EP1.68x1.88mm`+- 3D model: HVSSOP-10-EP-0.5mm (KiCad packages3D, STEP)+- 3D model files: `lm3409qmyx-etched.step` / `lm3409qmyx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm3409qmyx.step` / `lm3409qmyx.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/lm3409-q1) (47 pp, sha256 `7745578a43302ee7`, 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/lm3409qmyx-datasheet.pdf)
page.jsonadded+217@@ -0,0 +1,217 @@+{+ "slug": "lm3409qmyx",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments LED Drivers, HVSSOP-10-EP-0.5mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "led drivers",+ "lm3409qmyx",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm3409qmyx.kicad_sym",+ "lm3409qmyx.kicad_mod",+ "lm3409qmyx.glb",+ "lm3409qmyx.step",+ "lm3409qmyx.lbr",+ "docs/hero.png",+ "docs/lm3409qmyx-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm3409qmyx-hero.glb",+ "lm3409qmyx-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM3409QMYX",+ "manufacturer": "Texas Instruments",+ "package": "HVSSOP-10-EP-0.5mm",+ "pin_count": 11,+ "category": "LED Drivers",+ "subcategory": "LED Drivers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm3409-q1",+ "parts": {+ "symbol": "lm3409qmyx.kicad_sym",+ "footprint": "lm3409qmyx.kicad_mod",+ "model_3d": "lm3409qmyx-hero.glb",+ "model_3d_plain": "lm3409qmyx.glb",+ "model_3d_step": "lm3409qmyx-etched.step",+ "model_3d_step_plain": "lm3409qmyx.step",+ "lbr": "lm3409qmyx.lbr"+ },+ "distributor_links": {+ "lcsc": "C701834"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T04:13:42Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "UVLO",+ "type": "input",+ "description": "Input undervoltage lockout pin: connect to a resistor divider from VIN and GND; turn-on threshold is 1.24 V and turn-off hysteresis is provided by a 22 µA current source."+ },+ {+ "number": "2",+ "name": "IADJ",+ "type": "input",+ "description": "Analog LED current adjust: apply 0 to 1.24 V, connect a resistor to GND, or leave open to set the current sense threshold voltage (IADJ current limited to ±5 mA continuous)."+ },+ {+ "number": "3",+ "name": "EN",+ "type": "input",+ "description": "Logic-level enable and PWM dimming input: a voltage above 1.74 V enables the device, a PWM signal dims it, and a voltage below 0.5 V selects low-power shutdown."+ },+ {+ "number": "4",+ "name": "COFF",+ "type": "passive",+ "description": "Off-time programming pin: connect a resistor from VO and a capacitor to GND to set the off-time; COFF is rated -0.3 V to 4 V to GND with ±1 mA continuous current."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "System ground; connect to system ground."+ },+ {+ "number": "6",+ "name": "PGATE",+ "type": "output",+ "description": "Gate drive output: connect to the gate of the external P-channel MOSFET; VIN to PGATE is rated -0.3 V to 7 V (9.5 V maximum for 100 ns)."+ },+ {+ "number": "7",+ "name": "CSN",+ "type": "input",+ "description": "Negative current sense input: connect to the negative side of the sense resistor, with VIN to CSN limited to -0.3 V to 0.3 V."+ },+ {+ "number": "8",+ "name": "CSP",+ "type": "input",+ "description": "Positive current sense input: connect to the positive side of the sense resistor and also to VIN, with VIN to CSP limited to -0.3 V to 0.3 V."+ },+ {+ "number": "9",+ "name": "VCC",+ "type": "power_out",+ "description": "VIN-referenced linear regulator output providing P-channel MOSFET drive power: connect at least a 1 µF ceramic capacitor to VIN; VIN to VCC is rated -0.3 V to 7 V."+ },+ {+ "number": "10",+ "name": "VIN",+ "type": "power_in",+ "description": "Input voltage: connect to the input supply; for the LM3409-Q1 this is rated 6 V to 42 V."+ },+ {+ "number": "11",+ "name": "DAP",+ "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-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The thermal pad (exposed pad) is not given a pin number in the datasheet pin table or the package dr; The datasheet pin table covers the LM3409 family (LM3409, LM3409-Q1, LM3409HV, LM3409HV-Q1) with one; COFF is given as a passive pin because it is a timing-network connection (resistor to VO, capacitor ",+ "exposed pad 11 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 8,+ "cost_usd": 0.0616,+ "at": "2026-10-08T04:13:26"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm3409-q1",+ "pages": 47,+ "sha256": "7745578a43302ee7",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 11,+ "described": 11,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "lm3409qmyx.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": "18605eed706df7bb9674107abe7aa36e0ba163a09c21a2cee6c75cfa291b7937",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm3409qmyx-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": "00133c18981461c72b7b4382193049bf5b942b92a4471d5149eb0354f1f71371",+ "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]"+ }+}