component

TPS2556DRBR

Public Made by Adom

by adom

Texas Instruments Power Distribution Switches, SON-8-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management (pmic)tps2556drbrfactory-2.0.0extractor-text
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TPS2556DRBR

Texas Instruments · Power Distribution Switches · SON-8-EP(3x3)

TPS2556DRBR from Texas Instruments, in a SON-8-EP(3x3). 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 GND power_in Ground connection; internally connected to PowerPAD thermal pad, must be externally connected to PowerPAD
2 IN input Input supply voltage (2.5V to 6.5V); requires 0.1µF or larger ceramic capacitor to GND
3 IN input Input supply voltage (2.5V to 6.5V); requires 0.1µF or larger ceramic capacitor to GND
4 EN input Enable input (active-low); logic low turns on power switch for TPS2556
5 ILIM output Current limit threshold setting output; external resistor 20kΩ to 187kΩ to GND sets current limit
6 OUT output Power-switch output; supplies current-limited power to load
7 OUT output Power-switch output; supplies current-limited power to load
8 FAULT output Fault signal output (active-low open-drain); asserted during overcurrent or overtemperature conditions
9 PowerPAD passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SON-8-EP(3x3)
Category Power Management (PMIC)
Pins 9

CAD (KiCad official)

  • Symbol: TPS2556DRBR
  • Footprint: Package_SON:WSON-8-1EP_3x3mm_P0.5mm_EP1.6x2.0mm
  • 3D model: SON-8-EP(3x3) (KiCad packages3D, STEP)
  • 3D model files: tps2556drbr-etched.step / tps2556drbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps2556drbr.step / tps2556drbr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (30 pp, sha256 3101cae5b7acce21, retrieved 2026-10-03, tier: lcsc)
  • 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