component

TPS3128E18DBVR

Public Made by Adom

by adom

Texas Instruments Supervisor And Reset ICs, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TPS3128E18DBVR

Texas Instruments · Supervisor And Reset ICs · SOT-23-5

TPS3128E18DBVR from Texas Instruments, in a SOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 RESET tri_state Low-level active reset output; driven to logic low when VDD falls below negative threshold VIT- and remains low for delay time tD after VDD rises above VIT+ (VIT- + VHYS).
2 GND power_in Ground connection.
3 MR input Manual reset input; pulling to logic low activates RESET output; RESET deactivates after delay time tD when MR is released or pulled high.
4 WDI input Watchdog timer input; triggers reset if held high or low longer than timeout period ttout; timer clears on signal transitions.
5 VDD power_in Supply voltage input; recommend placing 0.1µF ceramic capacitor near this pin.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23-5
Category Power Management (PMIC)
Pins 5

CAD (KiCad official)

  • Symbol: TPS3128E18DBVR
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: tps3128e18dbvr-etched.step / tps3128e18dbvr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps3128e18dbvr.step / tps3128e18dbvr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (26 pp, sha256 a993b2524ea48899, retrieved 2026-10-06, 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: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF