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APL3552ACI-TRG

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Anpec Elec AC-DC Controllers and Regulators, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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docs apl3552aci-trg: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
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apl3552aci-trg-etched.fit.json apl3552aci-trg: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
apl3552aci-trg-etched.glb apl3552aci-trg: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
apl3552aci-trg-etched.step apl3552aci-trg: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
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package.json Publish 0.1.0 · Ray 1mo ago
page.json apl3552aci-trg: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 28d ago
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APL3552ACI-TRG

Anpec Elec · AC-DC Controllers and Regulators · SOT-23-6

APL3552ACI-TRG from Anpec Elec, in a SOT-23-6. 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 supply input, 2.7 V to 5.5 V. Drain of the internal N-channel power MOSFET; connect to the external DC supply and bypass to GND with a 10 µF ceramic capacitor close to the pin.
2 GND power_in Device ground reference. Return for supply current, ILIM sense resistor, and OCB pull-up load.
3 EN input Active-high enable input (APL3552A variant, marking 52O). Pull above 2 V (VIH) to enable the switch, below 0.66 V (VIL) to disable it. Compatible with TTL/CMOS levels; must not be left floating. EN input current ≤1 µA.
4 OCB output Open-drain fault indication output. Asserts low after a 12 ms deglitch when current-limit, over-temperature, or reverse-voltage protection is triggered; releases high when VOUT > 1.5 V. Requires an external pull-up resistor (e.g. 10 kΩ). VOL ≤ 0.4 V at 5 mA.
5 ILIM passive Current-limit programming pin. Connect an external resistor RILIM (10 kΩ to 150 kΩ, 1%) from ILIM to GND to set the current-limit threshold; IOS(NOM)(A) = 26 V / RILIM(kΩ). ILIM voltage source ≈0.4 V. Keep RILIM trace short to preserve accuracy.
6 VOUT power_out Switched power output. Source of the internal N-channel MOSFET; follows IN when the device is enabled with RDS(on) ≈ 62 mΩ typical. Bypass with a low-ESR output capacitor (10 µF ceramic + 150 µF electrolytic recommended for hot-plug loads).

Key specifications

Parameter Value
Manufacturer Anpec Elec
Package SOT-23-6
Category PMIC
Pins 6

Ordering variants

Same part, different packaging or reel option.

  • APL3552ACI-TRG
  • APL3552ACI-TRGBCI-TRG
  • APL3552ACI-TRGABI-TRG
  • APL3552ACI-TRGBBI-TRG
  • APL3552ACI-TRGAQBI-TRG
  • APL3552ACI-TRGBQBI-TRG

CAD (KiCad official)

  • Symbol: APL3552ACI-TRG
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: apl3552aci-trg-etched.step / apl3552aci-trg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); apl3552aci-trg.step / apl3552aci-trg.glb are the bare package body.

Provenance

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

  • Datasheet: Anpec Elec datasheet (21 pp, sha256 a38a5227568adc54, 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