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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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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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ulq2003aqdrq1.step/ulq2003aqdrq1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).
# 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)