AP2553AW6-7 from Diodes Incorporated, in a SOT-26. 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	IN	power_in	Power input, 2.7 V to 5.5 V. Connect a 0.1 µF or larger ceramic bypass capacitor from IN to GND as close to the IC as possible.
2	GND	power_in	Ground return for the device.
3	EN	input	Active-high enable input. Logic high turns the power switch on; logic low disables the switch and activates the internal output discharge path (~600 Ω). VIH ≥ 2.0 V, VIL ≤ 0.8 V.
4	FAULT	output	Active-low open-drain fault output. Asserted during over-current, over-temperature, or reverse-voltage conditions after an 8 ms internal deglitch. Requires an external pull-up resistor (e.g. 10 kΩ) to the logic rail; sink current ≤ 10 mA.
5	ILIM	passive	Current-limit programming pin. Connect an external resistor RLIM from ILIM to GND to set the current-limit threshold; recommended 10 kΩ ≤ RLIM ≤ 210 kΩ, giving ILIMIT from ~2.36 A down to ~75 mA (typ). ILIM source current ≤ 1 mA.
6	OUT	power_out	Switched power output to the load. Internal PMOS pass FET (RDS(on) ≈ 70 mΩ typ at VIN = 5 V) connects IN to OUT when enabled. USB applications require ≥120 µF of output capacitance.

Key specifications

Parameter	Value
Manufacturer	Diodes Incorporated
Package	SOT-26
Category	PMIC
Pins	6

Ordering variants

AP2553AW6-7
AP2553AW6-7DC

CAD (KiCad official)

Symbol: AP2553AW6-7
Footprint: Package_TO_SOT_SMD:SOT-23-6
3D model: SOT-26 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`ap2553aw6-7.step`	97 KB	You want the bare part, or you mark your own boards.
`ap2553aw6-7-etched.step`	2.0 MB	You want the part with `AP2553AW6-7` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 499 faces against 117 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: Diodes Incorporated datasheet (17 pp, sha256 884a4b7479034340, retrieved 2026-08-17, tier: manufacturer)
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