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PCA9555PW

NXP SemiconductorsExtended

-40℃~+85℃ 1.1uA 16 2.3V~5.5V 3mA 400kHz 8 I2C、SMBus Interrupt Output Reset function、Cascade and address expansion TSSOP-24 I/O Expanders ROHS

Part id
nxp/PCA9555PW
Category
I, O Expanders
Package
TSSOP-24
Pins
24
In stock
37,682 at JLCPCB (C128392)
Used on
54 open-source boards

Overview

The PCA9555PW is an i, O Expander made by NXP Semiconductors in a TSSOP-24 package with 24 pins. -40℃~+85℃ 1.1uA 16 2.3V~5.5V 3mA 400kHz 8 I2C、SMBus Interrupt Output Reset function、Cascade and address expansion TSSOP-24 I/O Expanders ROHS.

PCBKit's library has its KiCad symbol (Interface_Expansion:PCA9555PW, from KiCad's library) and its footprint (Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm, from KiCad's library), ready for a KiCad board. 37,682 are in stock at JLCPCB (part C128392). 54 open-source boards in 41 repositories on GitHub use it.

Symbol

INT1A12A23IO0_04IO0_15IO0_26IO0_37IO0_48IO0_59IO0_610IO0_711VSS12IO1_013IO1_114IO1_215IO1_316IO1_417IO1_518IO1_619IO1_720A021SCL22SDA23VDD24
Interface_Expansion:PCA9555PWFrom KiCad's library

Footprint

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Package_SO:TSSOP-24_4.4x7.8mm_P0.65mmFrom KiCad's library

Pinout

24
The pins of the PCA9555PW
PinNameType
1INTOpen collector
2A1Input
3A2Input
4IO0_0Input/output
5IO0_1Input/output
6IO0_2Input/output
7IO0_3Input/output
8IO0_4Input/output
9IO0_5Input/output
10IO0_6Input/output
11IO0_7Input/output
12VSSPower in
13IO1_0Input/output
14IO1_1Input/output
15IO1_2Input/output
16IO1_3Input/output
17IO1_4Input/output
18IO1_5Input/output
19IO1_6Input/output
20IO1_7Input/output
21A0Input
22SCLInput
23SDAInput/output
24VDDPower in

Open-source boards using it

54See all 54
  • 2 layers243.2 × 106 mm3W6, the printed circuit board in 3D

    3W6

    weteor/3W6

    a small compact 3x5+3 split ortho keyboard

    113 parts488
  • 2 layers199.5 × 100.5 mmSPC EVDR, the printed circuit board in 3D

    SPC EVDR

    weteor/SPC_EVDR

    38 key otholinear keyboard with offset spacebar(s)

    93 parts59CERN-OHL-P-2.0
  • 2 layers100 × 50 mmXiamocon, the printed circuit board in 3D

    Xiamocon

    shapoco/xiamocon

    Game Console-Shaped Motherboard for XIAO RP2350/ESP32S3

    111 parts39
  • 2 layers100 × 50 mmShapones xiao rp2350, the printed circuit board in 3D

    Shapones xiao rp2350

    shapoco/shapones

    an NES emulator for programming study.

    75 parts37
  • 4 layers61.8 × 79.6 mmShipwrecked pcb, the printed circuit board in 3D

    Shipwrecked pcb

    mpkendall/shipwrecked-pcb

    Shipwrecked PCB Badges

    153 parts17Unlicense
  • 2 layers128 × 103.8 mmPhase, the printed circuit board in 3D

    Phase

    mjpauly/phase

    42-key split keyboard inspired by Corne, Kyria, and Ferris

    70 parts15
  • 2 layers100 × 97.5 mmMC5000 Board, the printed circuit board in 3D

    MC5000 Board

    RickP/MC5000_DevKit

    An hardware puzzle that teaches the basics of programming.

    131 parts6GPL-3.0
  • 2 layers90 × 100 mmHost shell, the printed circuit board in 3D

    Host shell

    shapoco/wildcardboy

    Handheld Game Console with Replaceable MCU

    241 parts5

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the PCA9555PW?

Yes. The symbol is Interface_Expansion:PCA9555PW and the footprint Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the PCA9555PW?

TSSOP-24, with 24 pins. Its footprint is drawn on this page.

Where is the PCA9555PW datasheet?

NXP Semiconductors publishes it: the Datasheet link on this page opens it.

Where can I order the PCA9555PW?

JLCPCB lists it as part C128392, with 37,682 in stock; the sellers' links on this page open their listings.

What can replace the PCA9555PW?

Parts like it in the library: the TCA9535PW by Texas Instruments, the TCA9555PW by Texas Instruments, the PCA9539PW by NXP Semiconductors and the PCA9535PW by NXP Semiconductors. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the PCA9555PW?

54 boards in 41 repositories on GitHub; the most starred are listed on this page, with their KiCad files.