TX6141

@@ -0,0 +1,41 @@+# TX6141++**XDS** · LED Drivers · SOT-89-5++TX6141 from XDS, 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 | SW | output | Switch node - drain of the internal power NMOS. Connects to the inductor and the freewheeling Schottky diode. Rated 1.2A max; RDS(on) typ 450 mΩ (VIN=6V-30V). |+| 2 | VSS | power_in | Chip ground / device return. |+| 3 | DIM | input | Brightness/dimming control input. Accepts PWM up to 20 kHz or analog voltage (0.5-2.5V) for linear dimming. VIH ≥ 2.5V, VIL ≤ 0.3V; internally pulled up (~500 kΩ) to ~5V so pin floats to enabled. VDIM < 0.3V disables output and enters standby. Absolute max 6V. Leave floating if dimming unused. |+| 4 | CS | input | Current-sense input. Connects to the low side of the external sense resistor RCS between VIN and CS. Internal comparator regulates (VIN-VCS) hysteretically between 80 mV (VCSL) and 120 mV (VCSH), giving ILED ≈ 0.1V / RCS. Input current typ 10 µA. |+| 5 | VIN | power_in | Supply input, 5.5V-30V operating (35V absolute max). UVLO rising ≈ 5.1V with 0.4V hysteresis; standby current ≈ 320 µA. Bypass with 22-47 µF to VSS. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | XDS |+| Package | SOT-89-5 |+| Category | LED-drv |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `TX6141`+- Footprint: `Package_TO_SOT_SMD:SOT-89-3`+- 3D model: SOT-89-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [XDS datasheet](docs/tx6141-datasheet.pdf) (9 pp, sha256 `10fbde951924fecc`, retrieved 2026-08-17, tier: lcsc)+- **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/tx6141-datasheet.pdf)

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