PCA9555DWR

Identity

Manufacturer: TI(德州仪器)
Model / MPN: PCA9555DWR
LCSC: C2652274
Category: io-expander
Description: Remote 16-bit I2C and SMBus I/O expander with interrupt output and configuration registers, 2.3V~5.5V, 400kHz, 8 supported devices.
Source: EasyEDA/JLC verified common component seed
Project designators: Not project-specific
Project quantity per board: Not project-specific

Capabilities

i2c: interface
gpio: interface

Package And Footprint

Package / footprint name: SOIC-24-300mil
Pin count: 24
EasyEDA symbol UUID: 602646e208834af49c5655dc14da47c9
EasyEDA footprint UUID: 44f901918580465ba3bb278423c0f2cc
EasyEDA device UUID: 1dad755ac7914faa91aceb4af2d6475a
EasyEDA library UUID: 0819f05c4eef4c71ace90d822a990e87

Power And Operating Modes

Active current: Not characterized in seed; extract active current from datasheet tables.
Sleep / standby current: Not characterized in seed; extract sleep/standby current from datasheet tables.
Supply rails: EasyEDA property: 2.3V~5.5V.
Notes: Seed values are search hints only. Verify power modes, rail limits, startup requirements, and reference design passives from the datasheet.

Procurement Classification

JLC class: Extended Part
JLC note / assembly basis: EasyEDA/JLC verified common power, analog, and interface IC seed
Assembly status: jlc_extended
Price-break table: Not captured in seed. Store only timestamped price-break snapshots when intentionally refreshed.
Live stock: intentionally not stored as durable selection data; refresh externally before ordering.

Datasheet And Links

Datasheet / product URL: https://www.ti.com/cn/lit/gpn/pca9555
Product URL: https://www.ti.com/cn/lit/gpn/pca9555
Datasheet-derived notes: Not extracted yet. Use PDF extraction to fill power modes, absolute maximums, pin functions, package variants, and reference design requirements.

Selection Notes

Good for: adding I2C or SPI GPIO for buttons, LEDs, interrupts, and board configuration straps
Avoid when: Not captured yet.
Known layout constraints: Verify package land pattern, decoupling requirements, thermal pad, RF keepouts, crystal routing, and boot straps from the datasheet.
Equivalent search hints: match category io-expander, interfaces i2c, gpio, package SOIC-24-300mil, and EasyEDA footprint UUID 44f901918580465ba3bb278423c0f2cc.

Search Keywords

seed:common-power-analog-interface, source:easyeda-bridge, iot, common-pcb, pca9555, 16-bit, i2c, interrupt, io-expander, soic-24-300mil, jlc-extended, gpio, jlc_extended, jlc-note:easyeda-jlc-verified-common-power-analog-and-interface-ic-seed