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Generated by kicad-footprint-generator · KiCad file format 20260206

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TPS3813K33MDBVREP

Texas Instruments · Supervisor And Reset ICs · SOT-23-6

TPS3813K33MDBVREP from Texas Instruments, in a SOT-23-6. 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	WDI	input	Watchdog timer trigger input whose rising edge must arrive within the configured window (pulse width at least 50 ns) to prevent a reset, with input levels referenced to VDD (VIH at least 0.7 x VDD, VIL at most 0.3 x VDD).
2	GND	power_in	Ground reference for the device; all voltage values in the datasheet are specified with respect to GND.
3	WDT	input	Programmable watchdog delay input that is tied to GND, tied to VDD, or connected to an external capacitor between 47 pF and 63 nF to set the upper watchdog window timeout.
4	VDD	power_in	Supply voltage input (2 V to 6 V) that is also the supervised voltage, with RESET asserted while VDD is below the threshold voltage VIT.
5	WDR	input	Selectable watchdog window ratio input that is tied to GND or VDD to set the lower boundary of the watchdog window.
6	RESET	output	Active-low open-drain reset output that is asserted while VDD is below VIT and released about 25 ms (typical delay td) after VDD rises above VIT, with maximum low output current of 5 mA.

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	SOT-23-6
Category	Power Management (PMIC)
Pins	6

CAD (KiCad official)

Symbol: TPS3813K33MDBVREP
Footprint: Package_TO_SOT_SMD:SOT-23-6
3D model: SOT-23-6 (KiCad packages3D, STEP)
3D model files: tps3813k33mdbvrep-etched.step / tps3813k33mdbvrep-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps3813k33mdbvrep.step / tps3813k33mdbvrep.glb are the bare package body.

Provenance

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

Datasheet: Texas Instruments datasheet (17 pp, sha256 db376917a8677703, retrieved 2026-10-11, tier: lcsc)
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