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TL1963AQKTTRQ1
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Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+42@@ -0,0 +1,42 @@+# TL1963AQKTTRQ1++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-263-5++TL1963AQKTTRQ1 from Texas Instruments, in a TO-263-5. 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 | Shutdown control pin, active-low to disable regulator, accepts 5-V logic or open-collector logic with typical 3 µA pin current, must be tied to VIN if unused. |+| 2 | IN | power_in | Power input pin with voltage range from VOUT + VDO to 20 V, includes integrated reverse-battery protection. |+| 3 | GND | power_in | Ground reference connection. |+| 4 | OUT | power_out | Regulated power output with maximum 1.5 A output current capability. |+| 5 | ADJ/SENSE | input | Error amplifier feedback input clamped to ±7 V internally; in adjustable mode provides 1.21 V reference for 1.21-20 V output with 3 µA bias current; in fixed-voltage mode has 600 µA bias current. |+| 6 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TO-263-5 |+| Category | Power Management (PMIC) |+| Pins | 6 |++## CAD (KiCad official)++- Symbol: `TL1963AQKTTRQ1`+- Footprint: `Package_TO_SOT_SMD:TO-263-5_TabPin6`+- 3D model: TO-263-5 (KiCad packages3D, STEP)+- 3D model files: `tl1963aqkttrq1-etched.step` / `tl1963aqkttrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tl1963aqkttrq1.step` / `tl1963aqkttrq1.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-q1) (29 pp, sha256 `e52314a989f0afd2`, retrieved 2026-10-07, tier: lcsc)+- **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/tl1963aqkttrq1-datasheet.pdf)
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