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TL1963A-18DCQR
Public Made by Adomby adom
Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+43@@ -0,0 +1,43 @@+# TL1963A-18DCQR++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-6++TL1963A-18DCQR from Texas Instruments, in a SOT-223-6. 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 | SHDN | input | Driving SHDN high enables the regulator and driving it low disables it, with a turn-on threshold of 0.9 V to 2 V and a turn-off threshold of 0.25 V to 0.75 V; it must be tied to VIN if not used. |+| 2 | IN | power_in | Input supply pin, operating from 2.4 V to 20 V for the new-chip version, with a 1 µF input capacitor recommended. |+| 3 | GND | power_in | Ground pin, one of two GND pins (with pin 6) that should be tied to a wide ground copper area close to the device. |+| 4 | OUT | power_out | Regulator output that requires a capacitor of at least 10 µF with ESR of 3 Ω or less from OUT to GND for stability, placed as close to the output pin as possible. |+| 5 | SENSE/ADJ | input | For the fixed-voltage TL1963A-xx version this pin is the error-amplifier SENSE input and must be connected to OUT for proper operation (the ADJ function applies to the adjustable TL1963A). |+| 6 | GND | power_in | Ground pin, one of two GND pins (with pin 3) that should be tied to a wide ground copper area close to the device. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-223-6 |+| Category | Power Management (PMIC) |+| Pins | 6 |++## CAD (KiCad official)++- Symbol: `TL1963A-18DCQR`+- Footprint: `Package_TO_SOT_SMD:SOT-223-6`+- 3D model: SOT-223-6 (KiCad packages3D, STEP)+- 3D model files: `tl1963a-18dcqr-etched.step` / `tl1963a-18dcqr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tl1963a-18dcqr.step` / `tl1963a-18dcqr.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/tl1963a) (59 pp, sha256 `678bca278f2398fb`, retrieved 2026-10-08, 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 0.3`, 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/tl1963a-18dcqr-datasheet.pdf)
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It is not a ; Pin 5 is labeled SENSE/ADJ in the figure and is listed as ADJ for the adjustable TL1963A and SENSE f; The datasheet classifies IN as 'I' (input) and OUT as 'O' (output). The types above map them to KiCa"+ ],+ "pages_sent": 43,+ "cost_usd": 0.2124,+ "at": "2026-10-08T19:37:18"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tl1963a",+ "pages": 59,+ "sha256": "678bca278f2398fb",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 6,+ "described": 6,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "tl1963a-18dcqr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 8.475,+ 6.7,+ 1.6+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "bf43e0f52215e5c8b069c660d1a580928edb1037d7f7155d98bb6d1df79e64ff",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tl1963a-18dcqr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 8.475,+ 6.7,+ 1.6+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "62cc85d78f6a4b3a0a5fb46d9a54cec7074843252dd7bf33ddd40e0001ce83e3",+ "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]"+ }+}