component
L6574D
Public Made by Adomby adom
STMicroelectronics Lighting Drivers & Controllers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# L6574D++**STMicroelectronics** · Lighting Drivers & Controllers · SOIC-16++L6574D from STMicroelectronics, in a SOIC-16. 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 | CPRE | passive | Preheat Timing Capacitor sets preheating and frequency shift time per relations tPRE = KPRE · CPRE and tSH = KFS · CPRE; charged to 3.5V during preheat timing and 5V in steady state. |+| 2 | RPRE | passive | Maximum Oscillation Frequency Setting resistor to ground sets fPRE value; voltage fixed at VREF = 2V. |+| 3 | CF | passive | Oscillator Frequency Setting capacitor along with RPRE and RIGN sets fPRE and fING frequencies; shows triangular wave in normal operation. |+| 4 | RIGN | passive | Minimum Oscillation Frequency Setting resistor to ground sets fIGN value; voltage fixed at VREF = 2V. |+| 5 | OPout | output | Output of the operational amplifier for feedback control loop implementation; can connect to RIGN pin through appropriate circuitry. |+| 6 | OPin- | input | Inverting input of the operational amplifier with input bias current 0.1µA and common mode input range -0.2 to 3V. |+| 7 | OPin+ | input | Non-inverting input of the operational amplifier with input bias current 0.1µA and common mode input range -0.2 to 3V. |+| 8 | EN1 | input | Enable 1 input (active high) forces device into latched shutdown state; normal operation resumed by reducing supply below UVLO threshold then increasing, or by activating EN2 input. |+| 9 | EN2 | input | Enable 2 input (active high) restarts the preheat and ignition sequence. |+| 10 | GND | power_in | Ground reference. |+| 11 | LVG | output | Low Side Driver Output to be connected to the low side power MOSFET gate; source current 170-250mA, sink current 300-450mA. |+| 12 | VS | power_in | Supply Voltage connected to supply filter capacitor; internally clamped at 15.6V typical; UVLO turn-on threshold 9.5-10.9V, turn-off threshold 7.3-8.7V. |+| 13 | N.C. | unconnected | Non-connected pin providing distance between high voltage and low voltage side pins. |+| 14 | OUT | output | High Side Driver Floating Reference to be connected close to the source of the high side power MOS or IGBT; voltage range -1 to VBOOT-VCL. |+| 15 | HVG | output | High Side Driver Output to be connected to the high side power MOSFET gate; source current 170-250mA, sink current 300-450mA. |+| 16 | VBOOT | power_out | Bootstrapped Supply Voltage; bootstrap capacitor connects between this pin and VS; integrated bootstrap circuit provides voltage to drive high side MOSFET; maximum voltage 618V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SOIC-16 |+| Category | LED Drivers |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `L6574D`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)+- 3D model files: `l6574d-etched.step` / `l6574d-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `l6574d.step` / `l6574d.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904973985198080) (10 pp, sha256 `dbd4ac638c679f4b`, retrieved 2026-10-06, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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/l6574d-datasheet.pdf)
page.jsonadded+208@@ -0,0 +1,208 @@+{+ "slug": "l6574d",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Lighting Drivers & Controllers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "led drivers",+ "l6574d",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "l6574d.kicad_sym",+ "l6574d.kicad_mod",+ "l6574d.glb",+ "l6574d.step",+ "l6574d.lbr",+ "docs/hero.png",+ "docs/l6574d-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "l6574d-hero.glb",+ "l6574d-hero.overlay.json"+ ],+ "component": {+ "mpn": "L6574D",+ "manufacturer": "STMicroelectronics",+ "package": "SOIC-16",+ "pin_count": 16,+ "category": "LED Drivers",+ "subcategory": "Lighting Drivers & Controllers",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904973985198080",+ "parts": {+ "symbol": "l6574d.kicad_sym",+ "footprint": "l6574d.kicad_mod",+ "model_3d": "l6574d-hero.glb",+ "model_3d_plain": "l6574d.glb",+ "model_3d_step": "l6574d-etched.step",+ "model_3d_step_plain": "l6574d.step",+ "lbr": "l6574d.lbr"+ },+ "distributor_links": {+ "lcsc": 2969998,+ "digikey": "497-15804-5-ND",+ "mouser": "511-L6574D"+ },+ "distributor_check": {+ "checked_at": "2026-10-06T16:36:21Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-15804-5-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "511-L6574D",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "CPRE",+ "type": "passive",+ "description": "Preheat Timing Capacitor sets preheating and frequency shift time per relations tPRE = KPRE · CPRE and tSH = KFS · CPRE; charged to 3.5V during preheat timing and 5V in steady state."+ },+ {+ "number": "2",+ "name": "RPRE",+ "type": "passive",+ "description": "Maximum Oscillation Frequency Setting resistor to ground sets fPRE value; voltage fixed at VREF = 2V."+ },+ {+ "number": "3",+ "name": "CF",+ "type": "passive",+ "description": "Oscillator Frequency Setting capacitor along with RPRE and RIGN sets fPRE and fING frequencies; shows triangular wave in normal operation."+ },+ {+ "number": "4",+ "name": "RIGN",+ "type": "passive",+ "description": "Minimum Oscillation Frequency Setting resistor to ground sets fIGN value; voltage fixed at VREF = 2V."+ },+ {+ "number": "5",+ "name": "OPout",+ "type": "output",+ "description": "Output of the operational amplifier for feedback control loop implementation; can connect to RIGN pin through appropriate circuitry."+ },+ {+ "number": "6",+ "name": "OPin-",+ "type": "input",+ "description": "Inverting input of the operational amplifier with input bias current 0.1µA and common mode input range -0.2 to 3V."+ },+ {+ "number": "7",+ "name": "OPin+",+ "type": "input",+ "description": "Non-inverting input of the operational amplifier with input bias current 0.1µA and common mode input range -0.2 to 3V."+ },+ {+ "number": "8",+ "name": "EN1",+ "type": "input",+ "description": "Enable 1 input (active high) forces device into latched shutdown state; normal operation resumed by reducing supply below UVLO threshold then increasing, or by activating EN2 input."+ },+ {+ "number": "9",+ "name": "EN2",+ "type": "input",+ "description": "Enable 2 input (active high) restarts the preheat and ignition sequence."+ },+ {+ "number": "10",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference."+ },+ {+ "number": "11",+ "name": "LVG",+ "type": "output",+ "description": "Low Side Driver Output to be connected to the low side power MOSFET gate; source current 170-250mA, sink current 300-450mA."+ },+ {+ "number": "12",+ "name": "VS",+ "type": "power_in",+ "description": "Supply Voltage connected to supply filter capacitor; internally clamped at 15.6V typical; UVLO turn-on threshold 9.5-10.9V, turn-off threshold 7.3-8.7V."+ },+ {+ "number": "13",+ "name": "N.C.",+ "type": "unconnected",+ "description": "Non-connected pin providing distance between high voltage and low voltage side pins."+ },+ {+ "number": "14",+ "name": "OUT",+ "type": "output",+ "description": "High Side Driver Floating Reference to be connected close to the source of the high side power MOS or IGBT; voltage range -1 to VBOOT-VCL."+ },+ {+ "number": "15",+ "name": "HVG",+ "type": "output",+ "description": "High Side Driver Output to be connected to the high side power MOSFET gate; source current 170-250mA, sink current 300-450mA."+ },+ {+ "number": "16",+ "name": "VBOOT",+ "type": "power_out",+ "description": "Bootstrapped Supply Voltage; bootstrap capacitor connects between this pin and VS; integrated bootstrap circuit provides voltage to drive high side MOSFET; maximum voltage 618V."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Pin diagram shows 'RING' but PIN DESCRIPTION table lists 'RIGN'; used official table designation 'RI"+ ],+ "pages_sent": 10,+ "cost_usd": 0.1185,+ "at": "2026-10-06T16:36:05"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904973985198080",+ "pages": 10,+ "sha256": "dbd4ac638c679f4b",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "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]"+ }+}