A6260KLJTR-T

@@ -0,0 +1,51 @@+# A6260KLJTR-T++**Allegro MicroSystems LLC** · LED Drivers · SOIC-8-EP++A6260KLJTR-T from Allegro MicroSystems LLC, in a SOIC-8-EP. 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 | SENSE | input | High-impedance LED current sense input. Connect independently to the top (LSS side) of the external sense resistor (R_S, 240 mΩ to 3 Ω). The internal regulator drives I_LC so that V_SENSE = V_SENREF (102 mV typ), setting I_LC = V_SENREF / R_S. |+| 2 | GND | power_in | Ground reference. Connect directly to the negative supply as close as possible to the bottom (ground connection) of the sense resistor. |+| 3 | THTH | input | Thermal threshold set input. Sets T_JM where the output current begins to derate with temperature (default ~105°C when open). A resistor from THTH to GND raises the threshold; a resistor from THTH to VIN lowers it; tying THTH to GND disables the thermal monitor. |+| 4 | EN | input | Logic-level enable / PWM dimming input (V_IL ≤ 0.8 V, V_IH ≥ 2 V, up to 40 V absolute). Driving EN low (<400 mV) places the device in sleep mode with I_INS < 10 µA; PWM at EN dims the LED current with slew-limited transitions (t_r ≈ 80 µs, t_f ≈ 100 µs). |+| 5 | VIN | power_in | Main supply input for the control circuit and high-side switch. Operating range 6 to 40 V (functional down to ~7 V for full-spec, absolute max −14 to +40 V). Bypass with a small (~100 nF) ceramic capacitor close to VIN and GND. |+| 6 | LA | output | LED-Anode output: switched, current-limited high-side source connected to the anode of the LED string. Includes overcurrent protection (I_LAOC ≈ −500 mA trip) with t_OCD ≈ 3 µs shutdown for short-to-ground detection. |+| 7 | LC | output | LED-Cathode output: regulated low-side current sink connected to the cathode of the LED string (I_LC up to 350 mA, ±4% accuracy). Includes short-circuit release monitor (V_SCCR ≈ 1.2 V) and I_SCU short-circuit source current. |+| 8 | LSS | passive | Low-Side Sense: bottom of the internal current sink, connected to power ground through the external sense resistor R_S (240 mΩ to 3 Ω). The V(LSS−GND) drop across R_S is regulated to V_SENREF (102 mV typ) to program I_LC. |+| 9 | PAD | passive | Exposed thermal pad on the package underside for enhanced heat dissipation (R_θJP ≈ 2 °C/W). Solder to the PCB ground copper for optimum thermal performance. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Allegro MicroSystems LLC |+| Package | SOIC-8-EP |+| Category | LED Drivers |+| Pins | 9 |++## Ordering variants++Same part, different packaging or reel option.++- `A6260KLJTR-T`+- `A6260KLJTR-TSLJTR-T`++## CAD (KiCad official)++- Symbol: `A6260KLJTR-T`+- Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm`+- 3D model: SOIC-8-EP (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Allegro MicroSystems LLC datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586200212210008064) (12 pp, sha256 `d5aac5415d3aef69`, 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/a6260kljtr-t-datasheet.pdf)

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