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PCAL9555APW on a board, in 3D

PCAL9555APW

NXP Semiconductors

-40℃~+85℃ 1.65V~5.5V 400kHz I2C、SMBus Interrupt Output Reset function、Cascading and address extension、Built-in LED driver TSSOP-24 I/O Expanders ROHS

Extended
DatasheetJLCPCBLCSCnxp/PCAL9555APW
Category
I, O Expanders
Package
TSSOP-24
Pins
24

Overview

The PCAL9555APW is an i, O Expander made by NXP Semiconductors in a TSSOP-24 package with 24 pins. -40℃~+85℃ 1.65V~5.5V 400kHz I2C、SMBus Interrupt Output Reset function、Cascading and address extension、Built-in LED driver TSSOP-24 I/O Expanders ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:PCA9555APW,118, from EasyEDA) and its footprint (Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2669740). 1 open-source board in 1 repository on GitHub use it.

Symbol

INT#1A12A23P0_04P0_15P0_26P0_37P0_48P0_59P0_610P0_711VSS12P1_013P1_114P1_215P1_316P1_417P1_518P1_619P1_720A021SCL22SDA23VDD24
EasyEDA_Cloud:PCA9555APW,118From EasyEDA

Footprint

123456789101112131415161718192021222324
Package_SO:TSSOP-24_4.4x7.8mm_P0.65mmFrom KiCad's library

Parameters

12
Clock Frequency
400kHz
Current - Output High(IOH)
10mA
Current - Output Low(IOL)
25mA
Features
Built-in LED driver；Reset function；Cascade and address expansion
Interface
I2C；SMBus
Interrupt Output
Interrupt Output
Number of I/O
16
Number of Supporting Devices
8
Operating Temperature
-40℃~+85℃
Output Type
Open-drain；Push-pull
Quiescent Supply Current
1uA
Voltage - Supply
1.65V~5.5V

Order codes

1

Pinout

24
The pins of the PCAL9555APW
PinNameType
1INT#Unspecified
2A1Unspecified
3A2Unspecified
4P0_0Unspecified
5P0_1Unspecified
6P0_2Unspecified
7P0_3Unspecified
8P0_4Unspecified
9P0_5Unspecified
10P0_6Unspecified
11P0_7Unspecified
12VSSUnspecified
13P1_0Unspecified
14P1_1Unspecified
15P1_2Unspecified
16P1_3Unspecified
17P1_4Unspecified
18P1_5Unspecified
19P1_6Unspecified
20P1_7Unspecified
21A0Unspecified
22SCLUnspecified
23SDAUnspecified
24VDDUnspecified

Open-source boards using it

All 1

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Questions

Is there a KiCad symbol and footprint for the PCAL9555APW?

Yes. The symbol is EasyEDA_Cloud:PCA9555APW,118 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 PCAL9555APW?

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

Where is the PCAL9555APW datasheet?

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

Where can I order the PCAL9555APW?

JLCPCB lists it as part C2669740, with 0 in stock; the sellers' links on this page open their listings.

What can replace the PCAL9555APW?

Parts like it in the library: the PCA9555PW by NXP Semiconductors, the TCA9535PW by Texas Instruments, the TCA9555PW by Texas Instruments and the PCA9539PW by NXP Semiconductors. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the PCAL9555APW?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8