ULN2003AM

@@ -0,0 +1,60 @@+# ULN2003AM++**HGSEMI** · Darlington Transistor Arrays · SOP-16++ULN2003AM from HGSEMI, in a SOP-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 | Base input to Darlington pair 1. TTL/CMOS compatible logic input; drives corresponding open-collector output 1C through internal ~2.7 kΩ base resistor. |+| 2 | 2B | input | Base input to Darlington pair 2. TTL/CMOS compatible logic input; drives output 2C. |+| 3 | 3B | input | Base input to Darlington pair 3. TTL/CMOS compatible logic input; drives output 3C. |+| 4 | 4B | input | Base input to Darlington pair 4. TTL/CMOS compatible logic input; drives output 4C. |+| 5 | 5B | input | Base input to Darlington pair 5. TTL/CMOS compatible logic input; drives output 5C. |+| 6 | 6B | input | Base input to Darlington pair 6. TTL/CMOS compatible logic input; drives output 6C. |+| 7 | 7B | input | Base input to Darlington pair 7. TTL/CMOS compatible logic input; drives output 7C. |+| 8 | GND | power_in | Common ground/emitter return for all seven Darlington pairs. Connect to system ground. |+| 9 | COM | power_in | Common cathode for the internal freewheeling suppression diodes. Connect to the positive supply of the inductive load (up to 50 V) to clamp back-EMF when switching relays, solenoids, or motors. |+| 10 | 7C | output | Open-collector Darlington output 7. Sinks up to 500 mA to GND when input 7B is high; VCE(sat) ≈ 1.1 V @ 200 mA. Withstands up to 50 V off-state. |+| 11 | 6C | output | Open-collector Darlington output 6. Sinks up to 500 mA to GND when input 6B is high; withstands up to 50 V off-state. |+| 12 | 5C | output | Open-collector Darlington output 5. Sinks up to 500 mA to GND when input 5B is high; withstands up to 50 V off-state. |+| 13 | 4C | output | Open-collector Darlington output 4. Sinks up to 500 mA to GND when input 4B is high; withstands up to 50 V off-state. |+| 14 | 3C | output | Open-collector Darlington output 3. Sinks up to 500 mA to GND when input 3B is high; withstands up to 50 V off-state. |+| 15 | 2C | output | Open-collector Darlington output 2. Sinks up to 500 mA to GND when input 2B is high; withstands up to 50 V off-state. |+| 16 | 1C | output | Open-collector Darlington output 1. Sinks up to 500 mA to GND when input 1B is high; withstands up to 50 V off-state. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | SOP-16 |+| Category | Transistors/Thyristors |+| Pins | 16 |++## Ordering variants++Same part, different packaging or reel option.++- `ULN2003AMS16`+- `ULN2003AMN`+- `ULN2003AMTS16`++## CAD (KiCad official)++- Symbol: `ULN2003AM`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOP-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HGSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758075146018275328) (10 pp, sha256 `995b5bd619cd84d5`, retrieved 2026-08-17, 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:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/uln2003am-datasheet.pdf)

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