MT7282 from MAXIC Tech, in a ESOP-8. 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	COMP	output	Error amplifier output / loop compensation node. Connect a small ceramic capacitor (e.g. 22nF) from this pin to GND to stabilize the current-mode control loop.
2	ADJ	input	Single-pin dimming / enable control input. Accepts either an analog voltage (analog dimming of LED current) or a PWM signal up to 10kHz for PWM dimming of the LED current.
3	OVP	input	Externally adjustable over-voltage protection sense input. Connect a resistor divider (e.g. RB1=200k / RB2=10k) from the LED output rail to program the OVP trip threshold.
4	GND	power_in	Device ground. Reference for internal regulator, compensation network, and OVP divider return.
5	SW	output	Switch node - drain of the internal 0.2Ω power NMOS. Connects to the switching inductor and (for boost/buck-boost) to the freewheel Schottky diode (e.g. SS34). Handles high dV/dt; keep trace short.
6	VDD	power_out	Internal LDO output for gate drive and control circuitry. Bypass to GND with a ~1µF ceramic capacitor (Cdd). Not intended to source external load current.
7	VIN	power_in	Chip input supply, 2.5V to 40V. Provides bias to the internal LDO and reference; bypass close to pin with a low-ESR ceramic capacitor.
8	CS	input	High-side current-sense input. Connect an external sense resistor (Rcs) between VIN and CS to program the average LED current; the internal 200mV low-side reference sets I_LED = 0.2V / Rcs.
EP	EP	passive	Exposed thermal pad on the underside of the ESOP-8 package. Solder to a large ground copper area for heat dissipation; electrically tie to GND.

Key specifications

Parameter	Value
Manufacturer	MAXIC Tech
Package	ESOP-8
Category	LED-drv
Pins	9

CAD (KiCad official)

Symbol: MT7282
Footprint: Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm
3D model: ESOP-8 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`mt7282.step`	125 KB	You want the bare part, or you mark your own boards.
`mt7282-etched.step`	1.4 MB	You want the part with `MT7282` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 360 faces against 152 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: MAXIC Tech datasheet (1 pp, sha256 4ff4d274254e3aab, 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