MEL7136AP5G

@@ -0,0 +1,46 @@+# MEL7136AP5G++**MICRONE** · LED Drivers · SOT-89-5++MEL7136AP5G from MICRONE, in a SOT-89-5. 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 | CS | input | Current sense input. Connect the top of the external sense resistor REXT (from LED cathode / external MOSFET source to GND) here. The internal loop regulates VCS to 100 mV (typ; 95-105 mV), so ILED = 0.1 V / REXT. |+| 2 | D(LED) | output | LED sink (open-drain of internal NMOS). Connect to the cathode of the LED string. Sinks the regulated constant current (10 mA-1 A) down to REXT / CS. Absolute max VLED = -0.3 V to VDD+0.3 V. |+| 3 | VDD | power_in | Power supply input. Operating range 2.7 V to 18 V (absolute max 18 V). Bypass with 10 uF CIN close to the pin. Low-voltage protection releases at ~2.5 V (0.15 V hysteresis). |+| 4 | GND | power_in | Device ground reference and current-return path. Tie to the ground plane / bottom of REXT. |+| 5 | EXT | output | Gate drive for an optional external NMOS or NPN transistor used to extend current (>1 A) or voltage range. Absolute max VEXT = 6 V; typical drive swing 2.5-4.5 V (VDD=5 V, VCS=0 V). Leave floating when the internal driver alone is sufficient (light load configuration). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MICRONE |+| Package | SOT-89-5 |+| Category | LED-drv |+| Pins | 5 |++## Ordering variants++- `MEL7136AP5G`+- `MEL7136AP5GASP`+- `MEL7136AP5GBM5`++## CAD (KiCad official)++- Symbol: `MEL7136AP5G`+- Footprint: `Package_TO_SOT_SMD:SOT-89-5`+- 3D model: SOT-89-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [MICRONE datasheet](docs/mel7136ap5g-datasheet.pdf) (14 pp, sha256 `6206ba4720a74412`, 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/mel7136ap5g-datasheet.pdf)

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