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TPS389033KQDSERQ1

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Texas Instruments Supervisor And Reset ICs, WSON-6(1.5x1.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TPS389033KQDSERQ1

Texas Instruments · Supervisor And Reset ICs · WSON-6(1.5x1.5)

TPS389033KQDSERQ1 from Texas Instruments, in a WSON-6(1.5x1.5). 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 SENSE input This pin is the voltage being monitored; RESET goes low when SENSE falls below the negative threshold VITN and goes high when SENSE rises above the positive threshold VITP, with a recommended SENSE voltage range of 0 V to 5.5 V.
2 GND power_in Ground reference pin for the device.
3 MR input Driving the manual reset pin MR low causes RESET to go low (assert).
4 VDD power_in Supply voltage pin with a recommended range of 1.5 V to 5.5 V; good analog design practice is to place a 0.1-µF ceramic capacitor close to this pin.
5 CT passive User-adjustable delay pin; a ground-referenced capacitor on CT sets the RESET deassertion delay as tPD(r) (s) = CCT (µF) × 1.07 + 25 µs (nom), with CCT up to 26 µF.
6 RESET output Open-drain output that is driven low when MR is low or SENSE is below VITN and stays low for the delay time after both conditions clear, requiring an external pullup of 10 kΩ to 1 MΩ and an RESET current limit of ±20 mA absolute maximum.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package WSON-6(1.5x1.5)
Category Power Management (PMIC)
Pins 6

CAD (KiCad official)

  • Symbol: TPS389033KQDSERQ1
  • Footprint: Package_SON:WSON-6_1.5x1.5mm_P0.5mm
  • 3D model: WSON-6(1.5x1.5) (KiCad packages3D, STEP)
  • 3D model files: tps389033kqdserq1-etched.step / tps389033kqdserq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps389033kqdserq1.step / tps389033kqdserq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (27 pp, sha256 df60d175a821bd24, retrieved 2026-10-08, 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