component
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.
3D Model
Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads only if this page sits in the background.
PCB Footprint
Open full view ↗Loads on click. Unloads only if this page sits in the background.
Datasheet
Open in new tab ↗Loads on click. Unloads only if this page sits in the background.
README
markdownTL1963A-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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tl1963a-18dcqr.step/tl1963a-18dcqr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (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, primaryclaude-haiku-5-5(text), consensusclaude-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).