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TCA9554DW

Texas InstrumentsExtended

-40℃~+85℃ 1.65V~5.5V 400kHz I2C Interrupt Output Reset function、Cascading and address extension、Built-in LED driver SOIC-16-300mil I/O Expanders ROHS

Part id
ti/TCA9554DW
Category
I, O Expanders
Package
SOIC-16-300mil
Pins
16
In stock
0 at JLCPCB (C1848123)
Used on
2 open-source boards

Overview

The TCA9554DW is an i, O Expander made by Texas Instruments in a SOIC-16-300mil package with 16 pins. -40℃~+85℃ 1.65V~5.5V 400kHz I2C Interrupt Output Reset function、Cascading and address extension、Built-in LED driver SOIC-16-300mil I/O Expanders ROHS.

PCBKit's library has its KiCad symbol (Interface_Expansion:TCA9554DW, from KiCad's library) and its footprint (Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1848123). 2 open-source boards in 2 repositories on GitHub use it.

Symbol

A01A12A23P04P15P26P37GND8P49P510P611P712INT13SCL14SDA15VDD16
Interface_Expansion:TCA9554DWFrom KiCad's library

Footprint

12345678910111213141516
Package_SO:SOIC-16W_7.5x10.3mm_P1.27mmFrom KiCad's library

Pinout

16
The pins of the TCA9554DW
PinNameType
1A0Input
2A1Input
3A2Input
4P0Input/output
5P1Input/output
6P2Input/output
7P3Input/output
8GNDPower in
9P4Input/output
10P5Input/output
11P6Input/output
12P7Input/output
13INTOpen collector
14SCLInput
15SDAInput/output
16VDDPower in

Open-source boards using it

2
  • 2 layers60 × 29 mm0015 TCA9554 GPIO rev01a, the printed circuit board in 3D

    0015 TCA9554 GPIO rev01a

    SP6GK/TCA9554_STM32_GPIO_Expander

    STM32 HAL driver for TCA9554 GPIO expander + evaluation board.

    38 partsAGPL-3.0
  • 2 layers65 × 50 mmMecha Dev Expander, the printed circuit board in 3D

    Mecha Dev Expander

    SolidwareGit/Modular-GP2040-Dev-Board

    This is a development board for the RP2040 to enable creation of a modular GP2040-CE, using I2C, for fightsticks or other controller peripherals

    30 parts1CC0-1.0

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the TCA9554DW?

Yes. The symbol is Interface_Expansion:TCA9554DW and the footprint Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the TCA9554DW?

SOIC-16-300mil, with 16 pins. Its footprint is drawn on this page.

Where is the TCA9554DW datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the TCA9554DW?

JLCPCB lists it as part C1848123, with 0 in stock; the sellers' links on this page open their listings.

What can replace the TCA9554DW?

Parts like it in the library: the TCA9534DW by Texas Instruments, the PCA9538DW by Texas Instruments, the PCA9534D,118 by NXP Semiconductors and the PCA9554ADW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the TCA9554DW?

2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.