SKU: 13838598878

NXP PCA9555PW,112 I/O Expander, 16bit, 400 kHz, I2C, SMBus, 2.3 V, 5.5 V, TSSOP

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Description

NXP PCA9555PW,112 I/O Expander, 16bit, 400 kHz, I2C, SMBus, 2.3 V, 5.5 V, TSSOPThe PCA9555PW,112 is a 24 pin CMOS Device that provides 16 bits of general purpose parallel input output (GPIO) expansion for IC bus SMBus applications and was developed to enhance the NXP semiconductors family of IC bus I O expanders. The improvements include higher drive capability, 5V I O tolerance, lower supply current and individual I O configuration. I O expanders provide a simple solution when additional I O is needed for ACPI power switches,

The PCA9555PW,112 is a 24-pin CMOS Device that provides 16 bits of general purpose parallel input/output (GPIO) expansion for I�C-bus/SMBus applications and was developed to enhance the NXP semiconductors family of I�C-bus I/O expanders. The improvements include higher drive capability, 5V I/O tolerance, lower supply current and individual I/O configuration. I/O expanders provide a simple solution when additional I/O is needed for ACPI power switches, push buttons, LEDs and fans. The PCA9555 consists of two 8-bit configuration (input or output selection), input, output and polarity inversion (active high or active low operation) registers. The system master can enable the I/Os as either inputs or outputs by writing to the I/O configuration bits. The data for each input or output is kept in the corresponding Input or output register. The polarity of the read register can be inverted with the polarity inversion register.
  • 5V Tolerant I/Os
  • Polarity inversion register
  • Active low interrupt output
  • Low standby current
  • Noise filter on SCL/SDA inputs
  • No glitch on power-up
  • Internal power-on reset
  • Latch-up testing is done to JEDEC standard JESD78 that exceeds 100mA

Applications

Industrial, Power Management, Sensing & Instrumentation

Warnings

ESD sensitive device, take proper precaution while handling the device.

Product details

No. of I/O's 16I/O's
Chip Configuration 16bit
Bus Frequency 400kHz
No. of Pins 24Pins
Product Range -
Automotive Qualification Standard -
Interface Case Style TSSOP
Supply Voltage Min 2.3V
IC Interface Type I2C, SMBus
Packaging Each
Supply Voltage Max 5.5V
MSL MSL 1 - Unlimited

Other details

Brand NXP
Part Number PCA9555PW,112
Quantity Each
Technical Data Sheet EN

All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 13838598878

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Lynn Gray
Port Orchard, US
★★★★★ 5
Works great
Size: 30-Foot, Style: Standard End
Just what was needed. Easy to install and comes with a handle/ strap for carrying and storage. Cable is heavy duty.
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Reviewed in the United States on April 6, 2026
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Ben
Lowell, US
★★★★★ 5
Simple install
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Simple intsall, easily adjustable to diffrent hights, feet have a nice base so they don't sink, but can be placed on pads, helps with stability. Quality seems to be good. Nice weight not cheap and flimsy, durable enough to do the job, but not so heavy you need two people to move it.
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Reviewed in the United States on August 7, 2025
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Jake O’Reilly
Massapequa, US
★★★★★ 5
Sturdy, Reliable, and Worth Every Penny!
Style: 5th Wheel Stabilizer Tripod Jack, Pattern Name: Stabilizer, Style: 5th Wheel Stabilizer Tripod Jack, Pattern Name: Stabilizer
This stabilizing tripod is very sturdy, well built, and performs exactly as expected. It arrived on time and in perfect condition. The difference it makes in 40+ kmh winds and 60 kmh gusts is remarkable, providing excellent stability and reducing movement significantly. I’m extremely satisfied with this purchase!
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Reviewed in the United States on March 17, 2025
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Amazon Customer
Boise, US
★★★★★ 5
Great buy
Style: 5th Wheel Stabilizer Tripod Jack, Pattern Name: Stabilizer
Easy setup & holds well
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Reviewed in the United States on April 1, 2026
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D H.
Houston, US
★★★★★ 4
Good Quality
Style: 5th Wheel Stabilizer Tripod Jack, Pattern Name: Stabilizer
Exactly what we needed. Good quality.
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Reviewed in the United States on May 17, 2026

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