component
TL2843BDR
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.
← Commit history
README.mdadded+50@@ -0,0 +1,50 @@+# TL2843BDR++**Texas Instruments** · AC-DC Controllers And Regulators · SOIC-14++TL2843BDR 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; error amplifier output sink current is limited to 10 mA maximum. |+| 2 | NC | unconnected | No internal connection; do not connect. |+| 3 | VFB | input | Error amplifier input, with recommended input voltage of 0 V to 5.5 V (absolute maximum −0.3 V to 6.3 V). |+| 4 | NC | unconnected | No internal connection; do not connect. |+| 5 | ISENSE | input | Current sense comparator input, with recommended input voltage of 0 V to 5.5 V (absolute maximum −0.3 V to 6.3 V). |+| 6 | NC | unconnected | No internal connection; do not connect. |+| 7 | RT/CT | bidirectional | Oscillator RC timing input, with recommended voltage of 0 V to 5.5 V. |+| 8 | POWER GROUND | power_in | Output PWM ground terminal; recommended voltage range is −0.1 V to 1 V (applies to the 14-pin D package). |+| 9 | GND | power_in | Device power supply ground terminal; all voltages are referenced to this pin. |+| 10 | OUTPUT | output | PWM output for driving an N-channel MOSFET gate; output voltage 0 V to 30 V, average output current 200 mA maximum, ±1 A peak. |+| 11 | VC | power_in | Output PWM positive voltage supply; recommended voltage up to 30 V (applies to the 14-pin D package). |+| 12 | VCC | power_in | Device positive supply; absolute maximum 30 V for a low-impedance source, with supply current self-limited when ICC is above 30 mA. |+| 13 | NC | unconnected | No internal connection; do not connect. |+| 14 | REF | output | Oscillator voltage reference output; reference output current limited to −20 mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-14 |+| Category | Power Management (PMIC) |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `TL2843BDR`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)+- 3D model files: `tl2843bdr-etched.step` / `tl2843bdr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tl2843bdr.step` / `tl2843bdr.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/tl2843b.pdf) (31 pp, sha256 `42e42dc7a6e780d9`, retrieved 2026-10-08, tier: manufacturer)+- **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/tl2843bdr-datasheet.pdf)
page.jsonadded+236@@ -0,0 +1,236 @@+{+ "slug": "tl2843bdr",+ "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)",+ "tl2843bdr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tl2843bdr.kicad_sym",+ "tl2843bdr.kicad_mod",+ "tl2843bdr.glb",+ "tl2843bdr.step",+ "tl2843bdr.lbr",+ "docs/hero.png",+ "docs/tl2843bdr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tl2843bdr-hero.glb",+ "tl2843bdr-hero.overlay.json"+ ],+ "component": {+ "mpn": "TL2843BDR",+ "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/tl2843b.pdf",+ "parts": {+ "symbol": "tl2843bdr.kicad_sym",+ "footprint": "tl2843bdr.kicad_mod",+ "model_3d": "tl2843bdr-hero.glb",+ "model_3d_plain": "tl2843bdr.glb",+ "model_3d_step": "tl2843bdr-etched.step",+ "model_3d_step_plain": "tl2843bdr.step",+ "lbr": "tl2843bdr.lbr"+ },+ "distributor_links": {+ "lcsc": "C485091",+ "digikey": "296-21846-2-ND",+ "mouser": "595-TL2843BDR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T20:31:01Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-21846-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TL2843BDR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "COMP",+ "type": "bidirectional",+ "description": "Error amplifier compensation pin; error amplifier output sink current is limited to 10 mA maximum."+ },+ {+ "number": "2",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; do not connect."+ },+ {+ "number": "3",+ "name": "VFB",+ "type": "input",+ "description": "Error amplifier input, with recommended input voltage of 0 V to 5.5 V (absolute maximum −0.3 V to 6.3 V)."+ },+ {+ "number": "4",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; do not connect."+ },+ {+ "number": "5",+ "name": "ISENSE",+ "type": "input",+ "description": "Current sense comparator input, with recommended input voltage of 0 V to 5.5 V (absolute maximum −0.3 V to 6.3 V)."+ },+ {+ "number": "6",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; do not connect."+ },+ {+ "number": "7",+ "name": "RT/CT",+ "type": "bidirectional",+ "description": "Oscillator RC timing input, with recommended voltage of 0 V to 5.5 V."+ },+ {+ "number": "8",+ "name": "POWER GROUND",+ "type": "power_in",+ "description": "Output PWM ground terminal; recommended voltage range is −0.1 V to 1 V (applies to the 14-pin D package)."+ },+ {+ "number": "9",+ "name": "GND",+ "type": "power_in",+ "description": "Device power supply ground terminal; all voltages are referenced to this pin."+ },+ {+ "number": "10",+ "name": "OUTPUT",+ "type": "output",+ "description": "PWM output for driving an N-channel MOSFET gate; output voltage 0 V to 30 V, average output current 200 mA maximum, ±1 A peak."+ },+ {+ "number": "11",+ "name": "VC",+ "type": "power_in",+ "description": "Output PWM positive voltage supply; recommended voltage up to 30 V (applies to the 14-pin D package)."+ },+ {+ "number": "12",+ "name": "VCC",+ "type": "power_in",+ "description": "Device positive supply; absolute maximum 30 V for a low-impedance source, with supply current self-limited when ICC is above 30 mA."+ },+ {+ "number": "13",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; do not connect."+ },+ {+ "number": "14",+ "name": "REF",+ "type": "output",+ "description": "Oscillator voltage reference output; reference output current limited to −20 mA."+ }+ ],+ "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 datasheet's D (SOIC-14) pin table gives the pin names and functions but not an explicit ERC type; Pins 2, 4, 6 and 13 are marked NC (no internal connection, do not connect) in the datasheet and are ; The 14-pin pinout applies to the D (SOIC-14) package. TL2843BDR is listed as a 14-pin SOIC (D) in th"+ ],+ "pages_sent": 9,+ "cost_usd": 0.0732,+ "at": "2026-10-08T20:30:36"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/tl2843b.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"+ },+ "models_3d": [+ {+ "file": "tl2843bdr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 8.7,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tl2843bdr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 8.7,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "49fb49da91a2260c9e4003c562e9c1ed28b9c8be333227ce53a542167c2d5790",+ "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]"+ }+}