component

TPS3840DL45DBVR

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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TPS3840DL45DBVR

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

TPS3840DL45DBVR 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 Open-drain, low-active reset output; pulled low when VDD drops below VIT- (4.5V) or MR is driven below VMR_L (0.6V max), released to high-impedance when VDD rises above VIT+ and MR is floating or above VMR_H (0.7×VDD min) after reset delay time tD; external pull-up resistor required.
2 VDD power_in Input supply voltage monitored by internal comparator; operating range 1.5V to 10V with fixed negative threshold VIT- = 4.5V and hysteresis VHYS = 200mV for this variant.
3 GND power_in Ground reference and return path for supply current.
4 MR input Manual reset input; pulling to VMR_L (0.6V) asserts reset output, pulling above VMR_H (0.7×VDD) or leaving floating releases reset after programmable delay tD, with internal 100kΩ pull-up resistor.
5 CT passive Capacitor timing pin for user-programmable reset delay; connect external capacitor (≤10µF) to ground to adjust delay from 50µs (open) to maximum 6.2s (10µF), or leave floating for minimum 50µs fixed delay.

Key specifications

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

CAD (KiCad official)

  • Symbol: TPS3840DL45DBVR
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: tps3840dl45dbvr-etched.step / tps3840dl45dbvr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps3840dl45dbvr.step / tps3840dl45dbvr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (50 pp, sha256 f8bde0a1e19632a5, retrieved 2026-10-03, 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