component
UM805RE
Public Made by Adomby adom
Union Semiconductor Supervisor And Reset ICs, SOT-143-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+40@@ -0,0 +1,40 @@+# UM805RE++**Union Semiconductor** · Supervisor And Reset ICs · SOT-143-4++UM805RE from Union Semiconductor, in a SOT-143-4. 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 | GND | power_in | Ground reference. |+| 2 | RESET | tri_state | Open-drain active-low output that remains low while VCC is below 2.63V or MR is held low, continues low for at least 140ms after reset conditions terminate, and requires external pull-up resistor to any supply up to 6V. |+| 3 | MR | input | Active-low manual reset input with internal 20kΩ pull-up resistor; asserts reset when held low and maintains reset for 240ms after returning high. |+| 4 | VCC | power_in | Supply voltage input rated for 1.0V to 5.5V operation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Union Semiconductor |+| Package | SOT-143-4 |+| Category | Power Management (PMIC) |+| Pins | 4 |++## CAD (KiCad official)++- Symbol: `UM805RE`+- Footprint: `Package_TO_SOT_SMD:SOT-143`+- 3D model: SOT-143-4 (KiCad packages3D, STEP)+- 3D model files: `um805re-etched.step` / `um805re-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `um805re.step` / `um805re.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Union Semiconductor datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588949512392359936) (14 pp, sha256 `2765d38a175c536c`, retrieved 2026-09-18, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/um805re-datasheet.pdf)
page.jsonadded+117@@ -0,0 +1,117 @@+{+ "slug": "um805re",+ "version": "0.1.0",+ "type": "component",+ "description": "Union Semiconductor Supervisor And Reset ICs, SOT-143-4. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "um805re",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "um805re.kicad_sym",+ "um805re.kicad_mod",+ "um805re.glb",+ "um805re.step",+ "um805re.lbr",+ "docs/hero.png",+ "docs/um805re-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "UM805RE",+ "manufacturer": "Union Semiconductor",+ "package": "SOT-143-4",+ "pin_count": 4,+ "category": "Power Management (PMIC)",+ "subcategory": "Supervisor And Reset ICs",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588949512392359936",+ "parts": {+ "symbol": "um805re.kicad_sym",+ "footprint": "um805re.kicad_mod",+ "model_3d": "um805re-etched.glb",+ "model_3d_plain": "um805re.glb",+ "model_3d_step": "um805re-etched.step",+ "model_3d_step_plain": "um805re.step",+ "lbr": "um805re.lbr"+ },+ "distributor_links": {+ "lcsc": "C620010"+ },+ "pins": [+ {+ "number": "1",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference."+ },+ {+ "number": "2",+ "name": "RESET",+ "type": "tri_state",+ "description": "Open-drain active-low output that remains low while VCC is below 2.63V or MR is held low, continues low for at least 140ms after reset conditions terminate, and requires external pull-up resistor to any supply up to 6V."+ },+ {+ "number": "3",+ "name": "MR",+ "type": "input",+ "description": "Active-low manual reset input with internal 20kΩ pull-up resistor; asserts reset when held low and maintains reset for 240ms after returning high."+ },+ {+ "number": "4",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage input rated for 1.0V to 5.5V operation."+ }+ ],+ "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-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 14,+ "cost_usd": 0.1354,+ "at": "2026-09-18T02:49:23"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588949512392359936",+ "pages": 14,+ "sha256": "2765d38a175c536c",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 4,+ "described": 4,+ "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]"+ }+}