MT9284CS6

@@ -0,0 +1,48 @@+# MT9284CS6++**Aerosemi** · LED Drivers · SOT-23-6++MT9284CS6 from Aerosemi, in a SOT-23-6. 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 | SW | output | Switch node. Drain of the integrated N-channel power MOSFET; connect to the switched side of the external boost inductor and to the anode of the external Schottky rectifier. Rated up to 30V absolute maximum; high-impedance during shutdown. |+| 2 | GND | power_in | Device ground. Return for the internal power MOSFET current and analog reference; tie to a strong ground plane close to the input/output decoupling capacitors for heat-sinking and noise control. |+| 3 | FB | input | Current-sense feedback input. Connect an external sense resistor RCS from FB to GND; the LED string current is regulated so that V(FB) equals the regulated feedback voltage (300mV typ. for MT9284CS6, ILED = VFB / RCS). |+| 4 | EN | input | Enable and PWM dimming input. Pull above 1.5V to enable the IC; pull below 0.4V for shutdown (<1µA). Accepts an unfiltered 20kHz-1MHz PWM signal for LED brightness control, producing DC LED current proportional to duty cycle. |+| 5 | OV | input | Over-voltage sense input. Connect to the top of the LED string (VOUT). The internal power MOSFET is disabled when VOV rises above the 28V OVP threshold to protect the part in open-LED conditions. |+| 6 | VIN | power_in | Power supply input, 2.5V to 5.5V operating range (6V absolute max). Decouple to GND with a 1µF or greater ceramic capacitor (4.7µF X5R/X7R recommended) placed close to the IC. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Aerosemi |+| Package | SOT-23-6 |+| Category | LED-drv |+| Pins | 6 |++## Ordering variants++- `MT9284CS6CS6`+- `MT9284CS6AS6`+- `MT9284CS6BS6`+- `MT9284CS6-28J`++## CAD (KiCad official)++- Symbol: `MT9284CS6`+- Footprint: `Package_TO_SOT_SMD:SOT-23-6`+- 3D model: SOT-23-6 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Aerosemi datasheet](docs/mt9284cs6-datasheet.pdf) (10 pp, sha256 `ed985487c92f10a6`, 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/mt9284cs6-datasheet.pdf)

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