XL9612

@@ -0,0 +1,47 @@+# XL9612++**XLSEMI** · LED Drivers · TO-252-5L++XL9612 from XLSEMI, in a TO-252-5L. 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 | GND | power_in | Ground pin. Common return for the internal power stage and control circuitry; tie to the system ground plane. |+| 2 | CS | input | Output current sense pin. The internal loop regulates the voltage across RCS to a 0.22V reference (±3%), setting IOUT = 0.22V / RCS. Absolute max VCS is -0.3V to 7V. |+| 3 | SW | output | Power switch output pin. Switching node of the synchronous buck power stage; connects to the external inductor. Also internally tied to the TO252 metal tab. |+| 4 | VC | passive | Internal voltage regulator bypass capacitor pin. A 1uF ceramic capacitor is required between VIN and VC to bypass the internal LDO/regulator that supplies gate drive and control circuitry. |+| 5 | VIN | power_in | Power supply input pin. Supports a wide DC input range of 5V to 72V (absolute max 90V). Requires an electrolytic bypass capacitor between VIN and GND for noise suppression. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | XLSEMI |+| Package | TO-252-5L |+| Category | LED Drivers |+| Pins | 5 |++## Ordering variants++Same part, different packaging or reel option.++- `XL9612`++## CAD (KiCad official)++- Symbol: `XL9612`+- Footprint: `Package_TO_SOT_SMD:TO-252-5_TabPin6`+- 3D model: TO-252-5L (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [XLSEMI datasheet](docs/xl9612-datasheet.pdf) (None pp, sha256 `f114b069e1e1d10e`, retrieved 2026-08-17, tier: manufacturer)+- **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/xl9612-datasheet.pdf)

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