component
TL3843BDR
Public Made by Adomby adom
Texas Instruments AC-DC Controllers And Regulators, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+50@@ -0,0 +1,50 @@+# TL3843BDR++**Texas Instruments** · AC-DC Controllers And Regulators · SOIC-14++TL3843BDR from Texas Instruments, in a SOIC-14. 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 | COMP | bidirectional | Error amplifier compensation pin for frequency and gain adjustment. |+| 2 | NC | unconnected | No internal connection. |+| 3 | VFB | input | Error amplifier input for feedback voltage control loop (0-5.5V). |+| 4 | NC | unconnected | No internal connection. |+| 5 | ISENSE | input | Current sense comparator input for load current monitoring (0-5.5V). |+| 6 | NC | unconnected | No internal connection. |+| 7 | RT/CT | bidirectional | Oscillator timing capacitor pin for frequency setting via RC network (0-5.5V). |+| 8 | POWER GROUND | power_in | Output PWM ground terminal for the output stage. |+| 9 | GND | power_in | Device control logic ground terminal. |+| 10 | OUTPUT | output | PWM output stage for driving N-channel MOSFETs up to ±1A peak (0-30V). |+| 11 | VC | power_in | Output PWM stage positive supply voltage (0-30V). |+| 12 | VCC | power_in | Device control logic positive supply voltage (0-30V). |+| 13 | NC | unconnected | No internal connection. |+| 14 | VREF | power_in | Oscillator reference voltage output at 5V nominal. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-14 |+| Category | Power Management (PMIC) |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `TL3843BDR`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)+- 3D model files: `tl3843bdr-etched.step` / `tl3843bdr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tl3843bdr.step` / `tl3843bdr.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/tl3843b.pdf) (31 pp, sha256 `42e42dc7a6e780d9`, retrieved 2026-10-03, 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/tl3843bdr-datasheet.pdf)
page.jsonadded+194@@ -0,0 +1,194 @@+{+ "slug": "tl3843bdr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments AC-DC Controllers And Regulators, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "tl3843bdr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tl3843bdr.kicad_sym",+ "tl3843bdr.kicad_mod",+ "tl3843bdr.glb",+ "tl3843bdr.step",+ "tl3843bdr.lbr",+ "docs/hero.png",+ "docs/tl3843bdr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tl3843bdr-hero.glb",+ "tl3843bdr-hero.overlay.json"+ ],+ "component": {+ "mpn": "TL3843BDR",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-14",+ "pin_count": 14,+ "category": "Power Management (PMIC)",+ "subcategory": "AC-DC Controllers And Regulators",+ "datasheet": "https://www.ti.com/lit/ds/symlink/tl3843b.pdf",+ "parts": {+ "symbol": "tl3843bdr.kicad_sym",+ "footprint": "tl3843bdr.kicad_mod",+ "model_3d": "tl3843bdr-hero.glb",+ "model_3d_plain": "tl3843bdr.glb",+ "model_3d_step": "tl3843bdr-etched.step",+ "model_3d_step_plain": "tl3843bdr.step",+ "lbr": "tl3843bdr.lbr"+ },+ "distributor_links": {+ "lcsc": 544295,+ "digikey": "296-31947-2-ND",+ "mouser": "595-TL3843BDR"+ },+ "distributor_check": {+ "checked_at": "2026-10-03T06:02:33Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-31947-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TL3843BDR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "COMP",+ "type": "bidirectional",+ "description": "Error amplifier compensation pin for frequency and gain adjustment."+ },+ {+ "number": "2",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "3",+ "name": "VFB",+ "type": "input",+ "description": "Error amplifier input for feedback voltage control loop (0-5.5V)."+ },+ {+ "number": "4",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "5",+ "name": "ISENSE",+ "type": "input",+ "description": "Current sense comparator input for load current monitoring (0-5.5V)."+ },+ {+ "number": "6",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "7",+ "name": "RT/CT",+ "type": "bidirectional",+ "description": "Oscillator timing capacitor pin for frequency setting via RC network (0-5.5V)."+ },+ {+ "number": "8",+ "name": "POWER GROUND",+ "type": "power_in",+ "description": "Output PWM ground terminal for the output stage."+ },+ {+ "number": "9",+ "name": "GND",+ "type": "power_in",+ "description": "Device control logic ground terminal."+ },+ {+ "number": "10",+ "name": "OUTPUT",+ "type": "output",+ "description": "PWM output stage for driving N-channel MOSFETs up to ±1A peak (0-30V)."+ },+ {+ "number": "11",+ "name": "VC",+ "type": "power_in",+ "description": "Output PWM stage positive supply voltage (0-30V)."+ },+ {+ "number": "12",+ "name": "VCC",+ "type": "power_in",+ "description": "Device control logic positive supply voltage (0-30V)."+ },+ {+ "number": "13",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "14",+ "name": "VREF",+ "type": "power_in",+ "description": "Oscillator reference voltage output at 5V nominal."+ }+ ],+ "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": 9,+ "cost_usd": 0.1504,+ "at": "2026-10-03T06:02:04"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/tl3843b.pdf",+ "pages": 31,+ "sha256": "42e42dc7a6e780d9",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 14,+ "described": 14,+ "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]"+ }+}