EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
PCA9555PW Real Image PCA9555PW real image4542 PCA9555PW Real Image1 PCA9555PW Real Image2 PCA9555PW Real Image3
Same model may have multiple batches, images only for reference.
PCA9555PW Real Image PCA9555PW real image4542 PCA9555PW Real Image1 PCA9555PW Real Image2 PCA9555PW Real Image3
PCA9555PW Real Image PCA9555PW real image4542 PCA9555PW Real Image1 PCA9555PW Real Image2 PCA9555PW Real Image3
Same model may have multiple batches, images only for reference.

PCA9555PW

Part No PCA9555PW
Manufacturer Texas Instruments
Catalog Interface - I/O Expanders
Description IC I/O EXPANDER I2C 16B 24TSSOP / I2C/SMBus Interface 100kHz/400kHz 5.5V 24-Pin TSSOP Tube
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Manufacturer Texas Instruments
Standard Package 60
Category Integrated Circuits(ICs)
Family Interface - I/O Expanders
Packaging Tube
Number of I/O 16
Interface I²C SMBus
Interrupt Output Yes
Features POR
Output Type Push-Pull
Current - Output Source/Sink 10mA 25mA
Frequency - Clock 400kHz
Operating Supply Voltage 2.3 V ~ 5.5 V
Operating Temperature Range -40°C ~ 85°C
Mounting Style SMD/SMT
Package 24-TSSOP (0.173" 4.40mm Width)
Manufacturer Device Package 24-TSSOP
Catalog I²C I/O Expanders
Win Source Part Number 091230-PCA9555PW
Is this a common-used part? Yes
Popularity High
Supply and Demand Status Limited
Application Field Used in Communications & Networking
Family Name PCA9555PW
Introduction Date August 01, 2003
ECCN EAR99
Country of Origin Malaysia
Halogen Free Compliant
Estimated EOL Date 2031
Ultra Librarian 3D Model Ultra Librarian PCA9555PW CAD Model

Description

The PCA9555PW is a high-quality, reliable product manufactured by Texas Instruments, a world-renowned name in the field of electronics and semiconductors.

  • Description: 16-bit I²C and SMBus, low power I/O (Input/Output) expander.
  • Features: Built-in oscillator for PWM (Pulse Width Modulation) operations.
  • Registers: Two 8-bit Configuration, Input, Output, and Polarity Inversion registers.
  • Interrupt Output: Alerts microcontroller of input status change.
  • Voltage: 2.3V to 5.5V VCC operation.
  • Standby Current: Low.
  • Reset Input: Active LOW.
  • Package: TSSOP 24-pin.
  • Compatibility: SMBus.
  • Operating Temperature: -40°C to 85°C.

You May Also Be Interested in

PCA9703PW,118 NXP
PCA9703PW,118
NXP / Nexperia
IC SHIFT REG SPI GPI 24TSSOP / I/O Expander 16 (Input Only) SPI Serial 5 MHz 24-TSSOP
Lowest to $8.4153
PCA9671PW,118 NXP
PCA9671PW,118
NXP / Nexperia
IC I/O EXPANDER I2C 16B 24TSSOP / I/O Expander 16 I²C 1 MHz 24-TSSOP
Lowest to $4.2202
TCA9535MRGER Real Image
TCA9535MRGER
Texas Instruments
REMOTE 16-BIT I2C AND SMBUS, LOW / I/O Expander 16 I²C, SMBus 400 kHz 24-VQFN (4x4)
Lowest to $2.8642
MCP23S18-E/SP Real Image
MCP23S18-E/SP
Microchip Technology
IC EXPANDER SPI 16BIT I/O 28SDIP / I/O Expander 16 SPI 10 MHz 28-SPDIP
Lowest to $3.6759
PCA9654EDR2G ON Semiconductor
PCA9654EDR2G
ON Semiconductor
IC XPNDR 100KHZ I2C 16SOIC / I/O Expander 8 I²C 100 kHz 16-SOIC
Lowest to $3.2901
NCA9555 NOVOSENSE – Price, Stock & Datasheet
NCA9555
NOVOSENSE
16-BIT I2C-BUS I/O PORT
Lowest to $0.8413
PCA9574PW,118 NXP
PCA9574PW,118
NXP / Nexperia
IC I/O EXPANDER I2C 8B 16TSSOP / I/O Expander 8 I²C, SMBus 400 kHz 16-TSSOP
Lowest to $1.0946
Picture of PCA9673BS,118
PCA9673BS,118
NXP / Nexperia
IC XPNDR 1MHZ I2C 24HVQFN
Need more? Email Us
MAX7318AUG+T Real Image
MAX7318AUG+T
Maxim Integrated
IC I/O EXPANDER I2C 16B 24TSSOP
Lowest to $3.4610

Top Sellers

ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $4.7519
EPM3128ATC100-10N real image
EPM3128ATC100-10N
Altera
IC CPLD 128MC 10NS 100TQFP
Lowest to $3.3015
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $1.3914
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $9.9790
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0713
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $32.0752
RTL8211FI-CG real image16071
RTL8211FI-CG
Realtek
INTEGRATED 10/100/1000M ETHERNET TRANSCEIVER
Lowest to $2.4354
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.9399
ICM-42688-P Real Image2
ICM-42688-P
TDK InvenSense
MOTION SENSOR / Accelerometer, Gyroscope, 6 Axis Sensor Output
Lowest to $17.3800
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.0677
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.8016
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.6527
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $18.8657
LM5069MM-2/NOPB real image1604
LM5069MM-2/NOPB
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $2.3760
ULN2803ADW Real Image
ULN2803ADW
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647

Pricing & Ordering

Quantity Unit Price Ext. Price
55+ $0.9433 $51.8815
115+ $0.8836 $101.6140
180+ $0.8538 $153.6840
255+ $0.7941 $202.4955
330+ $0.7642 $252.1860
410+ $0.7344 $301.1040
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 100,000 pieces
MOQ: 55 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess