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TS2431BILT

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STMicroelectronics Voltage Reference, SOT-23-3L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs ts2431bilt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 4d ago
viewers ts2431bilt: viewers · Ray 28d ago
package.json Publish 0.1.0 · Ray 28d ago
page.json Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") · Ray 11d ago
README.md ts2431bilt: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 14d ago
ts2431bilt-etched.fit.json ts2431bilt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 4d ago
ts2431bilt-etched.glb ts2431bilt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 4d ago
ts2431bilt-etched.step ts2431bilt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 4d ago
ts2431bilt.glb Publish 0.1.0 · Ray 28d ago
ts2431bilt.kicad_mod Publish 0.1.0 · Ray 28d ago
ts2431bilt.kicad_sym Publish 0.1.0 · Ray 28d ago
ts2431bilt.lbr Publish 0.1.0 · Ray 28d ago
ts2431bilt.step Publish 0.1.0 · Ray 28d ago

TS2431BILT

STMicroelectronics · Voltage Reference · SOT-23-3L

TS2431BILT from STMicroelectronics, in a SOT-23-3L. 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 Cathode passive Cathode (K) of the shunt regulator. Sinks 1 to 100 mA operating current; Vka programmable from Vref (2.5 V) to 24 V via external R1/R2 divider. Absolute max Vka = 25 V; off-state cathode current 10 nA typ at Vka = 24 V.
2 Reference input Reference input (REF). High-impedance feedback input compared internally to the 2.5 V bandgap; Iref typically 0.5 µA. Tied to the R1/R2 divider from cathode to anode to set Vka = Vref·(1 + R1/R2). Input current range 0.05 to 10 mA (abs max).
3 Anode passive Anode (A) of the shunt regulator. Connects to the low side of the reference (typically GND in the feedback loop). Reverse breakdown current rating -100 to +150 mA.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package SOT-23-3L
Category PMIC
Pins 3

Ordering variants

Same part, different packaging or reel option.

  • TS2431BILT

CAD (KiCad official)

  • Symbol: TS2431BILT
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3L (KiCad packages3D, STEP)
  • 3D model files: ts2431bilt-etched.step / ts2431bilt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ts2431bilt.step / ts2431bilt.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (16 pp, sha256 dc06dd59a8b41517, 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