Skip to the content
PCBKitNew board
PCA9535RTW, in 3D

PCA9535RTW

Texas Instruments

-40℃~+85℃ 10mA 16 2.3V~5.5V 400kHz 600nA 8 8mA I2C、SMBus Interrupt Output Push-pull Reset function、Cascade and address expansion、Built-in LED driver WQFN-24(4x4) I/O Expanders ROHS

Extended
DatasheetJLCPCBLCSCti/PCA9535RTW
Category
I, O Expanders
Package
WQFN-24(4x4)
Pins
25

Overview

The PCA9535RTW is an i, O Expander made by Texas Instruments in a WQFN-24(4x4) package with 25 pins. -40℃~+85℃ 10mA 16 2.3V~5.5V 400kHz 600nA 8 8mA I2C、SMBus Interrupt Output Push-pull Reset function、Cascade and address expansion、Built-in LED driver WQFN-24(4x4) I/O Expanders ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TCA9555RTWR(UMW), from EasyEDA) and its footprint (EasyEDA_Cloud:HWQFN-24_L4.0-W4.0-P0.50-TL-EP2.5, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3188832).

Symbol

INT#22SCL19SDA20A018A123A224EP25GND9P1717P1616P1515P1414P1313P1212P1111P1010P078P067P056P045P034P023P012P001VCC21
EasyEDA_Cloud:TCA9555RTWR(UMW)From EasyEDA

Footprint

25
EasyEDA_Cloud:HWQFN-24_L4.0-W4.0-P0.50-TL-EP2.5From EasyEDA

Parameters

9
Clock Frequency
400kHz
Current - Output High(IOH)
10mA
Current - Output Low(IOL)
8mA
Features
Built-in LED driver;Reset function;Cascade and address expansion
Interface
I2C;SMBus
Interrupt Output
Interrupt Output
Number of Supporting Devices
8
Operating Temperature
-40℃~+85℃
Voltage - Supply
2.3V~5.5V

Order codes

1

Pinout

25
The pins of the PCA9535RTW
PinNameType
1P00Unspecified
2P01Unspecified
3P02Unspecified
4P03Unspecified
5P04Unspecified
6P05Unspecified
7P06Unspecified
8P07Unspecified
9GNDUnspecified
10P10Unspecified
11P11Unspecified
12P12Unspecified
13P13Unspecified
14P14Unspecified
15P15Unspecified
16P16Unspecified
17P17Unspecified
18A0Unspecified
19SCLUnspecified
20SDAUnspecified
21VCCUnspecified
22INT#Unspecified
23A1Unspecified
24A2Unspecified
25EPUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/PCA9535RTW" title="PCA9535RTW in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/ti/PCA9535RTW.jpg" alt="PCA9535RTW" width="1200" height="900">
A picture that opens the part, for a README
[![PCA9535RTW](https://pcbkit.io/embed/parts/ti/PCA9535RTW.jpg?size=s)](https://pcbkit.io/parts/ti/PCA9535RTW)

Questions

Is there a KiCad symbol and footprint for the PCA9535RTW?

Yes. The symbol is EasyEDA_Cloud:TCA9555RTWR(UMW) and the footprint EasyEDA_Cloud:HWQFN-24_L4.0-W4.0-P0.50-TL-EP2.5, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the PCA9535RTW?

WQFN-24(4x4), with 25 pins. Its footprint is drawn on this page.

Where is the PCA9535RTW datasheet?

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

Where can I order the PCA9535RTW?

JLCPCB lists it as part C3188832, with 0 in stock; the sellers' links on this page open their listings.

What can replace the PCA9535RTW?

Parts like it in the library: the PCA9535AHF,128 by NXP Semiconductors, the PCA6416AHF by NXP Semiconductors, the TCA6416RTW by Texas Instruments and the NCA9555BY-Q100HP by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8