component
TL431CDBVT
Public Made by Adomby adom
Texas Instruments Voltage Reference, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+41@@ -0,0 +1,41 @@+# TL431CDBVT++**Texas Instruments** · Voltage Reference · SOT-23-5++TL431CDBVT from Texas Instruments, in a SOT-23-5. 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 | NC | unconnected | No internal connection |+| 2 | NC | unconnected | Substrate pin attached to ANODE, must be connected to ANODE or left open |+| 3 | CATHODE | bidirectional | Shunt regulator output terminal, regulated output voltage from approximately 2.5V (Vref) to 36V with continuous sink current range from 1 mA to 100 mA |+| 4 | REF | input | Voltage reference input nominally 2.5V, requires input current greater than or equal to 4 microamperes for proper operation |+| 5 | ANODE | power_in | Common return and ground connection pin, typically connected to ground |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-5 |+| Category | Power Management (PMIC) |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `TL431CDBVT`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)+- 3D model files: `tl431cdbvt-etched.step` / `tl431cdbvt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tl431cdbvt.step` / `tl431cdbvt.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/lit/ds/symlink/tl431c.pdf) (85 pp, sha256 `ed2e90697de4e2c5`, retrieved 2026-09-29, tier: manufacturer)+- **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/tl431cdbvt-datasheet.pdf)
page.jsonadded+137@@ -0,0 +1,137 @@+{+ "slug": "tl431cdbvt",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Voltage Reference, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "tl431cdbvt",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tl431cdbvt.kicad_sym",+ "tl431cdbvt.kicad_mod",+ "tl431cdbvt.glb",+ "tl431cdbvt.step",+ "tl431cdbvt.lbr",+ "docs/hero.png",+ "docs/tl431cdbvt-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "TL431CDBVT",+ "manufacturer": "Texas Instruments",+ "package": "SOT-23-5",+ "pin_count": 5,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Reference",+ "datasheet": "https://www.ti.com/lit/ds/symlink/tl431c.pdf",+ "parts": {+ "symbol": "tl431cdbvt.kicad_sym",+ "footprint": "tl431cdbvt.kicad_mod",+ "model_3d": "tl431cdbvt-etched.glb",+ "model_3d_plain": "tl431cdbvt.glb",+ "model_3d_step": "tl431cdbvt-etched.step",+ "model_3d_step_plain": "tl431cdbvt.step",+ "lbr": "tl431cdbvt.lbr"+ },+ "distributor_links": {+ "lcsc": "C1848465",+ "digikey": "296-TL431CDBVTTR-ND",+ "mouser": "595-TL431CDBVT"+ },+ "distributor_check": {+ "checked_at": "2026-09-29T22:36:42Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-TL431CDBVTTR-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-TL431CDBVT",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection"+ },+ {+ "number": "2",+ "name": "NC",+ "type": "unconnected",+ "description": "Substrate pin attached to ANODE, must be connected to ANODE or left open"+ },+ {+ "number": "3",+ "name": "CATHODE",+ "type": "bidirectional",+ "description": "Shunt regulator output terminal, regulated output voltage from approximately 2.5V (Vref) to 36V with continuous sink current range from 1 mA to 100 mA"+ },+ {+ "number": "4",+ "name": "REF",+ "type": "input",+ "description": "Voltage reference input nominally 2.5V, requires input current greater than or equal to 4 microamperes for proper operation"+ },+ {+ "number": "5",+ "name": "ANODE",+ "type": "power_in",+ "description": "Common return and ground connection pin, typically connected to ground"+ }+ ],+ "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": [],+ "pages_sent": 28,+ "cost_usd": 0.3099,+ "at": "2026-09-29T22:36:28"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/tl431c.pdf",+ "pages": 85,+ "sha256": "ed2e90697de4e2c5",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 5,+ "described": 5,+ "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]"+ }+}