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REG102UA-5
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Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, 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 @@+# REG102UA-5++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8++REG102UA-5 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 | VOUT | power_out | Regulated output voltage; pin 1 and pin 2 must both be connected, per datasheet note (2). |+| 2 | VOUT | power_out | Regulated output voltage; pin 1 and pin 2 must both be connected, per datasheet note (2). |+| 3 | NR/Adjust | passive | For REG102-A (adjustable) this is the voltage-setting resistor pin; for all other models it is the noise reduction capacitor pin (CNR, 0.01µF used in the datasheet conditions), with an absolute maximum pin voltage of -0.3V to 6.0V. |+| 4 | GND | power_in | Ground reference pin for the regulator. |+| 5 | Enable | input | Enable input: output is enabled when VENABLE is at least 1.8V and disabled when VENABLE is 0.5V or lower; the absolute maximum enable input voltage is -0.3V to VIN. |+| 6 | NC | unconnected | No internal connection. |+| 7 | VIN | power_in | Supply input; pin 7 and pin 8 must both be connected, per datasheet note (3), with an operating input range of 1.8V to 10V and an absolute maximum of 12V. |+| 8 | VIN | power_in | Supply input; pin 7 and pin 8 must both be connected, per datasheet note (3), with an operating input range of 1.8V to 10V and an absolute maximum of 12V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `REG102UA-5`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `reg102ua-5-etched.step` / `reg102ua-5-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `reg102ua-5.step` / `reg102ua-5.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/reg102) (31 pp, sha256 `4ed123459903f8b5`, 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/reg102ua-5-datasheet.pdf)
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Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "reg102ua-5",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "reg102ua-5.kicad_sym",+ "reg102ua-5.kicad_mod",+ "reg102ua-5.glb",+ "reg102ua-5.step",+ "reg102ua-5.lbr",+ "docs/hero.png",+ "docs/reg102ua-5-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "reg102ua-5-hero.glb",+ "reg102ua-5-hero.overlay.json"+ ],+ "component": {+ "mpn": "REG102UA-5",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/reg102",+ "parts": {+ "symbol": "reg102ua-5.kicad_sym",+ "footprint": "reg102ua-5.kicad_mod",+ "model_3d": "reg102ua-5-hero.glb",+ "model_3d_plain": "reg102ua-5.glb",+ "model_3d_step": "reg102ua-5-etched.step",+ "model_3d_step_plain": "reg102ua-5.step",+ "lbr": "reg102ua-5.lbr"+ },+ "distributor_links": {+ "lcsc": "C2871041",+ "digikey": "REG102UA-5-ND",+ "mouser": "595-REG102UA-5"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T17:01:10Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "REG102UA-5-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-REG102UA-5",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VOUT",+ "type": "power_out",+ "description": "Regulated output voltage; pin 1 and pin 2 must both be connected, per datasheet note (2)."+ },+ {+ "number": "2",+ "name": "VOUT",+ "type": "power_out",+ "description": "Regulated output voltage; pin 1 and pin 2 must both be connected, per datasheet note (2)."+ },+ {+ "number": "3",+ "name": "NR/Adjust",+ "type": "passive",+ "description": "For REG102-A (adjustable) this is the voltage-setting resistor pin; for all other models it is the noise reduction capacitor pin (CNR, 0.01µF used in the datasheet conditions), with an absolute maximum pin voltage of -0.3V to 6.0V."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference pin for the regulator."+ },+ {+ "number": "5",+ "name": "Enable",+ "type": "input",+ "description": "Enable input: output is enabled when VENABLE is at least 1.8V and disabled when VENABLE is 0.5V or lower; the absolute maximum enable input voltage is -0.3V to VIN."+ },+ {+ "number": "6",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "7",+ "name": "VIN",+ "type": "power_in",+ "description": "Supply input; pin 7 and pin 8 must both be connected, per datasheet note (3), with an operating input range of 1.8V to 10V and an absolute maximum of 12V."+ },+ {+ "number": "8",+ "name": "VIN",+ "type": "power_in",+ "description": "Supply input; pin 7 and pin 8 must both be connected, per datasheet note (3), with an operating input range of 1.8V to 10V and an absolute maximum of 12V."+ }+ ],+ "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-to-number mapping was reconstructed from the SO-8 top-view figure on page 2, where labels an; The NR/Adjust pin (pin 3) has a different function depending on the model: voltage-setting resistor ; The datasheet covers the REG102 family and its pinout is shared across the SOT23-5, SOT223-5 and SO-"+ ],+ "pages_sent": 8,+ "cost_usd": 0.0682,+ "at": "2026-10-08T17:00:50"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/reg102",+ "pages": 31,+ "sha256": "4ed123459903f8b5",+ "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": "reg102ua-5.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": "reg102ua-5-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": "3014784edb1be7ca60fdcaf7aeeb4b86339807dc639a69c00b3840f996944d5c",+ "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]"+ }+}