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docs tprt9193-25gb: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
viewers pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray
package.json Publish 0.2.0 · Ray
pads.json pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray
page.json tprt9193-25gb: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC bo… · Ray
README.md tprt9193-25gb: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray
tprt9193-25gb-etched.fit.json tprt9193-25gb: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
tprt9193-25gb-etched.glb tprt9193-25gb: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC bo… · Ray
tprt9193-25gb-etched.step tprt9193-25gb: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC bo… · Ray
tprt9193-25gb.glb Publish 0.1.0 · Ray
tprt9193-25gb.kicad_mod Publish 0.1.0 · Ray
tprt9193-25gb.kicad_sym Publish 0.1.0 · Ray
tprt9193-25gb.lbr rebuild the library on adom-lbr 2.32.0. The published copy was built by 2.18.0, which imported every KiCad roundrect an… · Ray
tprt9193-25gb.step Publish 0.1.0 · Ray

TPRT9193-25GB

TECH PUBLIC · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5

TPRT9193-25GB from TECH PUBLIC, in a SOT-23-5. 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 VIN power_in Input supply pin. Operating input range 1.6 V to 5.5 V (absolute max 6 V). Bypass to GND with a 1 uF ceramic capacitor placed close to the pin.
2 GND power_in Device ground reference. Connect directly to the system ground plane.
3 CE input Chip enable (active-high). Drive high to enable the regulator; drive low (Vce = 0 V) to enter shutdown mode where standby current (ICEL) is typically 1 uA. Do not leave floating.
4 NC unconnected No internal connection. Leave floating or tie to GND.
5 VOUT power_out Regulated voltage output. Fixed 2.5 V nominal for the -25GB option (tolerance +/-2%). Supplies up to 300 mA (typ) with 450 mA absolute-max output current; requires a 1 uF ceramic output capacitor to GND for stability.

Key specifications

Parameter Value
Manufacturer TECH PUBLIC
Package SOT-23-5
Category PMIC
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • TPRT9193-25GB

CAD (KiCad official)

  • Symbol: TPRT9193-25GB
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: tprt9193-25gb-etched.step / tprt9193-25gb-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tprt9193-25gb.step / tprt9193-25gb.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
tprt9193-25gb.step 85 KB You want the bare part, or you mark your own boards.
tprt9193-25gb-etched.step 2.5 MB You want the part with TPRT9193-25GB already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 592 faces against 102 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: TECH PUBLIC datasheet (5 pp, sha256 b81a8a9186fe0326, 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