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 (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