component

TPS3840PH18DBVR

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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TPS3840PH18DBVR

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

TPS3840PH18DBVR 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 output Active-high push-pull reset output (TPS3840PH variant): driven high when MR is pulled low or VDD falls below the negative threshold VIT-, and held high for the reset delay tD after release.
2 VDD power_in Supply voltage input and monitored voltage; operating range is 1.5 V to 10 V, with an absolute maximum of 12 V.
3 GND power_in Ground reference pin for the device.
4 MR/NC input Active-low manual reset input: pulling it below V_MR_L (600 mV max) asserts RESET, it must not exceed VDD, and it may be left floating (NC) since it has an internal 100 kΩ pull-up to VDD.
5 CT passive Capacitor delay-time pin: a capacitor from CT to GND programs the reset delay tD (up to 10 µF recommended), and leaving it open gives the minimum fixed delay of 50 µs.

Key specifications

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

CAD (KiCad official)

  • Symbol: TPS3840PH18DBVR
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: tps3840ph18dbvr-etched.step / tps3840ph18dbvr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps3840ph18dbvr.step / tps3840ph18dbvr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (50 pp, sha256 0e64fce6bd716dc3, retrieved 2026-10-11, 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-5-5 (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