component

TCA9554APWR

Public Made by Adom

by adom

Texas Instruments I/O Expanders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentinterfacetca9554apwrfactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 8h ago
viewers tca9554apwr: viewers · Ray 8h ago
package.json Publish 0.1.0 · Ray 8h ago
page.json Set visibility: public · Ray 8h ago
README.md Initial commit: component/tca9554apwr · Ray 8h ago
tca9554apwr-etched.glb tca9554apwr: factory component page (tier=mfr) · Ray 8h ago
tca9554apwr-etched.step tca9554apwr: factory component page (tier=mfr) · Ray 8h ago
tca9554apwr-hero.glb Publish 0.1.0 · Ray 8h ago
tca9554apwr-hero.overlay.json Publish 0.1.0 · Ray 8h ago
tca9554apwr.glb Publish 0.1.0 · Ray 8h ago
tca9554apwr.kicad_mod Publish 0.1.0 · Ray 8h ago
tca9554apwr.kicad_sym Publish 0.1.0 · Ray 8h ago
tca9554apwr.lbr Publish 0.1.0 · Ray 8h ago
tca9554apwr.step Publish 0.1.0 · Ray 8h ago

TCA9554APWR

Texas Instruments · I/O Expanders · TSSOP-16

TCA9554APWR from Texas Instruments, in a TSSOP-16. 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 A0 input Address input; connect directly to VCC or ground to select device address bit 0.
2 A1 input Address input; connect directly to VCC or ground to select device address bit 1.
3 A2 input Address input; connect directly to VCC or ground to select device address bit 2.
4 P0 bidirectional P-port input-output with push-pull design structure; configured as input at power-on.
5 P1 bidirectional P-port input-output with push-pull design structure; configured as input at power-on.
6 P2 bidirectional P-port input-output with push-pull design structure; configured as input at power-on.
7 P3 bidirectional P-port input-output with push-pull design structure; configured as input at power-on.
8 GND power_in Ground reference.
9 P4 bidirectional P-port input-output with push-pull design structure; configured as input at power-on.
10 P5 bidirectional P-port input-output with push-pull design structure; configured as input at power-on.
11 P6 bidirectional P-port input-output with push-pull design structure; configured as input at power-on.
12 P7 bidirectional P-port input-output with push-pull design structure; configured as input at power-on.
13 INT output Open-drain active-low interrupt output; connect to VCC through a pull-up resistor.
14 SCL input Serial clock bus input for I2C/SMBus communication; connect to VCC through a pull-up resistor.
15 SDA bidirectional Serial data bus for I2C/SMBus communication; connect to VCC through a pull-up resistor.
16 VCC power_in Supply voltage input; operating range 1.65V to 5.5V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-16
Category Interface
Pins 16

CAD (KiCad official)

  • Symbol: TCA9554APWR
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: tca9554apwr-etched.step / tca9554apwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tca9554apwr.step / tca9554apwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (48 pp, sha256 6cfb70444ee3df57, retrieved 2026-10-06, tier: manufacturer)
  • 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