component
LM5021MMX-2
Public Made by Adomby adom
Texas Instruments AC-DC Controllers And Regulators, VSSOP-8-0.65mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# LM5021MMX-2++**Texas Instruments** · AC-DC Controllers And Regulators · VSSOP-8-0.65mm++LM5021MMX-2 from Texas Instruments, in a VSSOP-8-0.65mm. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | COMP | input | Control input for PWM and Hiccup comparators with 5kΩ internal pull-up resistor for opto-coupler biasing. |+| 2 | VIN | power_in | Input voltage to start-up regulator with 36V internal zener diode clamp. |+| 3 | VCC | power_out | 8.5V nominal regulated output of linear bias supply regulator for controller and gate drive. |+| 4 | OUT | output | MOSFET gate driver output capable of 0.3A peak source current and 0.7A peak sink current. |+| 5 | GND | power_in | Ground return. |+| 6 | CS | input | Current sense input with 0.5V threshold for cycle-by-cycle current limiting and 90ns leading edge blanking. |+| 7 | RT | output | Oscillator timing resistor pin accepting external resistor to ground for frequency setting and external clock synchronization pulses. |+| 8 | SS | output | Soft-start and hiccup timing pin driven by internal 22µA current source for startup ramp control. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VSSOP-8-0.65mm |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM5021MMX-2`+- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`+- 3D model: VSSOP-8-0.65mm (KiCad packages3D, STEP)+- 3D model files: `lm5021mmx-2-etched.step` / `lm5021mmx-2-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm5021mmx-2.step` / `lm5021mmx-2.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/lm5021) (38 pp, sha256 `039278930e2432ef`, retrieved 2026-09-22, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/lm5021mmx-2-datasheet.pdf)
page.jsonadded+141@@ -0,0 +1,141 @@+{+ "slug": "lm5021mmx-2",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments AC-DC Controllers And Regulators, VSSOP-8-0.65mm. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm5021mmx-2",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm5021mmx-2.kicad_sym",+ "lm5021mmx-2.kicad_mod",+ "lm5021mmx-2.glb",+ "lm5021mmx-2.step",+ "lm5021mmx-2.lbr",+ "docs/hero.png",+ "docs/lm5021mmx-2-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM5021MMX-2",+ "manufacturer": "Texas Instruments",+ "package": "VSSOP-8-0.65mm",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "AC-DC Controllers And Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm5021",+ "parts": {+ "symbol": "lm5021mmx-2.kicad_sym",+ "footprint": "lm5021mmx-2.kicad_mod",+ "model_3d": "lm5021mmx-2-etched.glb",+ "model_3d_plain": "lm5021mmx-2.glb",+ "model_3d_step": "lm5021mmx-2-etched.step",+ "model_3d_step_plain": "lm5021mmx-2.step",+ "lbr": "lm5021mmx-2.lbr"+ },+ "distributor_links": {+ "lcsc": "C2865463"+ },+ "pins": [+ {+ "number": "1",+ "name": "COMP",+ "type": "input",+ "description": "Control input for PWM and Hiccup comparators with 5kΩ internal pull-up resistor for opto-coupler biasing."+ },+ {+ "number": "2",+ "name": "VIN",+ "type": "power_in",+ "description": "Input voltage to start-up regulator with 36V internal zener diode clamp."+ },+ {+ "number": "3",+ "name": "VCC",+ "type": "power_out",+ "description": "8.5V nominal regulated output of linear bias supply regulator for controller and gate drive."+ },+ {+ "number": "4",+ "name": "OUT",+ "type": "output",+ "description": "MOSFET gate driver output capable of 0.3A peak source current and 0.7A peak sink current."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground return."+ },+ {+ "number": "6",+ "name": "CS",+ "type": "input",+ "description": "Current sense input with 0.5V threshold for cycle-by-cycle current limiting and 90ns leading edge blanking."+ },+ {+ "number": "7",+ "name": "RT",+ "type": "output",+ "description": "Oscillator timing resistor pin accepting external resistor to ground for frequency setting and external clock synchronization pulses."+ },+ {+ "number": "8",+ "name": "SS",+ "type": "output",+ "description": "Soft-start and hiccup timing pin driven by internal 22µA current source for startup ramp control."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 38,+ "cost_usd": 0.3793,+ "at": "2026-09-22T23:27:58"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm5021",+ "pages": 38,+ "sha256": "039278930e2432ef",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}