NCL30188BDR2G

@@ -0,0 +1,49 @@+# NCL30188BDR2G++**onsemi** · LED Drivers · SOIC-8++NCL30188BDR2G from onsemi, in a SOIC-8. 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 | ZCD | input | Zero Crossing Detection. Connected to the auxiliary winding, this pin detects the core reset event for quasi-resonant operation. |+| 2 | VS | input | Input Voltage Sensing. Observes the input voltage rail for brown-out protection, power factor correction, and valley lockout. Recommended range -0.3 V to +4.0 V (optimal ~1.5 V). |+| 3 | COMP | passive | Filtering Capacitor for power factor correction. Typical capacitor values range from 1 to 4.70 uF. |+| 4 | SD | input | Thermal Foldback and Shutdown. Connect an NTC to program thermal current foldback threshold and slope. A Zener diode can also pull the pin up to stop the controller for adjustable OVP protection. |+| 5 | CS | input | Current Sense. Monitors the primary peak current. Internal current limit threshold V_ILIM = 1.00 V (typ), with 300 ns leading-edge blanking. |+| 6 | GND | power_in | Controller ground pin. Reference for all internal circuitry. |+| 7 | DRV | output | Driver Output to an external MOSFET. Totem-pole driver rated 300 mA / 500 mA with 12 V gate clamp. Max continuous voltage -0.3 to V_DRV(high); max current -300/+500 mA. |+| 8 | VCC | power_in | IC Supply Pin (positive supply). Startup threshold V_CC(on) = 18 V typ; turn-off V_CC(off) = 8.8 V typ. Post-startup operating range 9.4 V to 25.5 V (V_CC(OVP) min). Absolute max 30 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | SOIC-8 |+| Category | LED-drv |+| Pins | 8 |++## Ordering variants++Same part, different packaging or reel option.++- `NCL30188BDR2G`++## CAD (KiCad official)++- Symbol: `NCL30188BDR2G`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi datasheet](docs/ncl30188bdr2g-datasheet.pdf) (26 pp, sha256 `00bbb60e7bb22ad5`, retrieved 2026-08-17, tier: lcsc)+- **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/ncl30188bdr2g-datasheet.pdf)

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