component
ULQ2003AQDRQ1
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Texas Instruments Darlington Transistor Arrays, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+53@@ -0,0 +1,53 @@+# ULQ2003AQDRQ1++**Texas Instruments** · Darlington Transistor Arrays · SOIC-16++ULQ2003AQDRQ1 from Texas Instruments, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | 1B | input | Channel 1 Darlington base input; accepts TTL/CMOS logic signals (2.7-3 V on-state voltage). |+| 2 | 2B | input | Channel 2 Darlington base input; accepts TTL/CMOS logic signals (2.7-3 V on-state voltage). |+| 3 | 3B | input | Channel 3 Darlington base input; accepts TTL/CMOS logic signals (2.7-3 V on-state voltage). |+| 4 | 4B | input | Channel 4 Darlington base input; accepts TTL/CMOS logic signals (2.7-3 V on-state voltage). |+| 5 | 5B | input | Channel 5 Darlington base input; accepts TTL/CMOS logic signals (2.7-3 V on-state voltage). |+| 6 | 6B | input | Channel 6 Darlington base input; accepts TTL/CMOS logic signals (2.7-3 V on-state voltage). |+| 7 | 7B | input | Channel 7 Darlington base input; accepts TTL/CMOS logic signals (2.7-3 V on-state voltage). |+| 8 | E | power_in | Common emitter terminal for all 7 channels; ground reference shared by all Darlington pairs (typically tied to ground). |+| 9 | COM | power_in | Common cathode node for internal flyback diodes; typically connected to the supply voltage for inductive load suppression. |+| 10 | 7C | output | Channel 7 Darlington collector output; maximum 500 mA continuous per channel, maximum 50 V collector-emitter voltage. |+| 11 | 6C | output | Channel 6 Darlington collector output; maximum 500 mA continuous per channel, maximum 50 V collector-emitter voltage. |+| 12 | 5C | output | Channel 5 Darlington collector output; maximum 500 mA continuous per channel, maximum 50 V collector-emitter voltage. |+| 13 | 4C | output | Channel 4 Darlington collector output; maximum 500 mA continuous per channel, maximum 50 V collector-emitter voltage. |+| 14 | 3C | output | Channel 3 Darlington collector output; maximum 500 mA continuous per channel, maximum 50 V collector-emitter voltage. |+| 15 | 2C | output | Channel 2 Darlington collector output; maximum 500 mA continuous per channel, maximum 50 V collector-emitter voltage. |+| 16 | 1C | output | Channel 1 Darlington collector output; maximum 500 mA continuous per channel, maximum 50 V collector-emitter voltage. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Transistors/Thyristors |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `ULQ2003AQDRQ1`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)+- 3D model files: `ulq2003aqdrq1-etched.step` / `ulq2003aqdrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ulq2003aqdrq1.step` / `ulq2003aqdrq1.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/ulq2003a-q1) (30 pp, sha256 `6fffdfd21f42d5cc`, retrieved 2026-09-18, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/ulq2003aqdrq1-datasheet.pdf)
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