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LM4040C82IDBZR
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Texas Instruments Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+40@@ -0,0 +1,40 @@+# LM4040C82IDBZR++**Texas Instruments** · Voltage Reference · SOT-23++LM4040C82IDBZR from Texas Instruments, in a SOT-23. 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 | CATHODE | passive | Shunt reference voltage terminal (I/O); maintains 8.192 V (nominal, C-grade ±0.5% at 25 °C) between CATHODE and ANODE for cathode current IZ = 67 µA (min, 25 °C) to 15 mA (max); continuous cathode current limit is 25 mA absolute maximum. |+| 2 | ANODE | power_in | Anode return terminal; general-purpose pin typically connected to ground; serves as the low-side reference node for the shunt regulator; a parasitic Schottky diode exists between pin 3 and this pin in the SOT-23 package. |+| 3 | NC | unconnected | Substrate pin (marked * in datasheet); must be left floating or connected to ANODE (pin 2); in high-EMI environments TI recommends connecting to ANODE to reduce high-frequency switching noise pickup. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23 |+| Category | Power Management (PMIC) |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `LM4040C82IDBZR`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)+- 3D model files: `lm4040c82idbzr-etched.step` / `lm4040c82idbzr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm4040c82idbzr.step` / `lm4040c82idbzr.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/lm4040) (62 pp, sha256 `68faec55d71e5cd5`, retrieved 2026-09-27, 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-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/lm4040c82idbzr-datasheet.pdf)
page.jsonadded+125@@ -0,0 +1,125 @@+{+ "slug": "lm4040c82idbzr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm4040c82idbzr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm4040c82idbzr.kicad_sym",+ "lm4040c82idbzr.kicad_mod",+ "lm4040c82idbzr.glb",+ "lm4040c82idbzr.step",+ "lm4040c82idbzr.lbr",+ "docs/hero.png",+ "docs/lm4040c82idbzr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM4040C82IDBZR",+ "manufacturer": "Texas Instruments",+ "package": "SOT-23",+ "pin_count": 3,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Reference",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm4040",+ "parts": {+ "symbol": "lm4040c82idbzr.kicad_sym",+ "footprint": "lm4040c82idbzr.kicad_mod",+ "model_3d": "lm4040c82idbzr-etched.glb",+ "model_3d_plain": "lm4040c82idbzr.glb",+ "model_3d_step": "lm4040c82idbzr-etched.step",+ "model_3d_step_plain": "lm4040c82idbzr.step",+ "lbr": "lm4040c82idbzr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2156779",+ "digikey": "296-LM4040C82IDBZRTR-ND",+ "mouser": "595-LM4040C82IDBZR"+ },+ "distributor_check": {+ "checked_at": "2026-09-27T08:14:51Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-LM4040C82IDBZRTR-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-LM4040C82IDBZR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "CATHODE",+ "type": "passive",+ "description": "Shunt reference voltage terminal (I/O); maintains 8.192 V (nominal, C-grade ±0.5% at 25 °C) between CATHODE and ANODE for cathode current IZ = 67 µA (min, 25 °C) to 15 mA (max); continuous cathode current limit is 25 mA absolute maximum."+ },+ {+ "number": "2",+ "name": "ANODE",+ "type": "power_in",+ "description": "Anode return terminal; general-purpose pin typically connected to ground; serves as the low-side reference node for the shunt regulator; a parasitic Schottky diode exists between pin 3 and this pin in the SOT-23 package."+ },+ {+ "number": "3",+ "name": "NC",+ "type": "unconnected",+ "description": "Substrate pin (marked * in datasheet); must be left floating or connected to ANODE (pin 2); in high-EMI environments TI recommends connecting to ANODE to reduce high-frequency switching noise pickup."+ }+ ],+ "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": 62,+ "cost_usd": 0.6963,+ "at": "2026-09-27T08:14:35"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm4040",+ "pages": 62,+ "sha256": "68faec55d71e5cd5",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 3,+ "described": 3,+ "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]"+ }+}