LM5050MKX-1

@@ -0,0 +1,48 @@+# LM5050MKX-1++**Texas Instruments** · AC-DC Controllers and Regulators · TSOT-23-6++LM5050MKX-1 from Texas Instruments, in a TSOT-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 | VS | power_in | Main supply pin for all internal biasing and auxiliary supply for the internal gate-drive charge pump. Typically connected to VOUT or VIN; a separate supply may also be used. Operating range 5 V to 75 V (abs max 100 V). |+| 2 | GND | power_in | Ground return for the controller. |+| 3 | OFF | input | Shutdown input. A logic-high state pulls GATE low and turns off the external MOSFET (note: body-diode current still flows). VOFF(IH) typ 1.56 V, VOFF(IL) typ 1.4 V, abs max 7 V. May be left open or tied to GND if unused (5 uA internal pulldown). |+| 4 | IN | input | Voltage-sense connection to the external MOSFET source pin (upstream side). Used together with OUT for the reverse-current comparator. Operating range 5 V to 75 V. |+| 5 | GATE | output | Charge-pump gate-drive output for the external N-channel MOSFET. Regulates VGS to emulate a low forward-voltage diode; sinks up to 2.8 A (typ) during fast turn-off. Typically 12 V above IN when enabled. |+| 6 | OUT | input | Voltage-sense connection to the external MOSFET drain pin (downstream side). Used with IN to detect forward/reverse current for the OR-ing comparator. Operating range 5 V to 75 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSOT-23-6 |+| Category | PMIC |+| Pins | 6 |++## Ordering variants++- `LM5050MKX-1MKX-1`+- `LM5050MKX-1MK-1`+- `LM5050MKX-1Q0MK-1`+- `LM5050MKX-1Q1MK-1`++## CAD (KiCad official)++- Symbol: `LM5050MKX-1`+- Footprint: `Package_TO_SOT_SMD:SOT-23-6`+- 3D model: TSOT-23-6 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](docs/lm5050mkx-1-datasheet.pdf) (30 pp, sha256 `4fc143ccdc6509a8`, 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/lm5050mkx-1-datasheet.pdf)

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