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I/O Expanders

Browse available I/O Expanders part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Programmable Number of I/O Interface Interrupt Output Features Output Type Current - Output Source/Sink Clock Frequency Voltage - Supply Operating Temperature Grade Qualification Mounting Type Supplier Device Package
NCA9535PWJ Nexperia USA Inc.

NCA9535PWJ

I2C

Nexperia USA Inc.

2,460 -
Datasheet - 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active - 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 1.65V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-TSSOP
NCA9555PWJ Nexperia USA Inc.

NCA9555PWJ

I2C

Nexperia USA Inc.

1,681 -
Datasheet - 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active - 16 I2C, SMBus Yes POR Open Drain, Push-Pull 10mA 400 kHz 1.65V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-TSSOP
NCA9539PWJ Nexperia USA Inc.

NCA9539PWJ

I2C

Nexperia USA Inc.

2,580 -
Datasheet - 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active - 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 1.65V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-TSSOP
PCAL9714HN/Q900MP NXP USA Inc.

PCAL9714HN/Q900MP

LOW-VOLTAGE TRANSLATING 14-BIT S

NXP USA Inc.

5,146 -
Datasheet - 24-VFQFN Exposed Pad Tape & Reel (TR) Active - 14 SPI Yes POR Open Drain, Push-Pull 10mA, 25mA 5 MHz 1.1V ~ 5.5V, 1.65V ~ 5.5V -40°C ~ 125°C Automotive AEC-Q100 Surface Mount 24-HVQFN (4x4)
NCA9555BYHP Nexperia USA Inc.

NCA9555BYHP

I2C

Nexperia USA Inc.

2,984 -
Datasheet - 24-WFQFN Exposed Pad Tape & Reel (TR) Active - 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 1.65V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-HWQFN (4x4)
NCA9535BYHP Nexperia USA Inc.

NCA9535BYHP

ANALOG & LOGIC

Nexperia USA Inc.

2,889 -
Datasheet - 24-WFQFN Exposed Pad Tape & Reel (TR) Active - 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 1.65V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-HWQFN (4x4)
PCA9535PWJ Nexperia USA Inc.

PCA9535PWJ

I2C

Nexperia USA Inc.

1,033 -
Datasheet - 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active - 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 2.3V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-TSSOP
PI4IOE5V9537UEX Diodes Incorporated

PI4IOE5V9537UEX

IC XPNDR 1MHZ I2C 10MSOP

Diodes Incorporated

2,378 -
Datasheet - 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Not Verified - I2C Yes - Push-Pull - 1 MHz 2.3V ~ 5.5V - - - Surface Mount 10-MSOP
NCA9555PW-Q100J Nexperia USA Inc.

NCA9555PW-Q100J

I2C

Nexperia USA Inc.

1,570 -
Datasheet - 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active - 16 I2C, SMBus Yes POR Open Drain - - 1.65V ~ 5.5V - Automotive AEC-Q100 Surface Mount 24-TSSOP
KTS1622EWAA-TR Kinetic Technologies

KTS1622EWAA-TR

LOW VOLTAGE 16-BIT I2C-BUS I/O E

Kinetic Technologies

2,575 -
Datasheet - 25-VFBGA, WLBGA Tape & Reel (TR) Active - 16 I2C Yes POR Open Drain, Push-Pull 10mA, 25mA 1 MHz 1.65V ~ 5.5V -40°C ~ 85°C - - Surface Mount 25-FOWLP (2x2)
NCA9539BYHP Nexperia USA Inc.

NCA9539BYHP

ANALOG & LOGIC

Nexperia USA Inc.

2,800 -
Datasheet - 24-WFQFN Exposed Pad Tape & Reel (TR) Active - 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 1.65V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-HWQFN (4x4)
PCA9539PWJ Nexperia USA Inc.

PCA9539PWJ

I2C

Nexperia USA Inc.

2,136 -
Datasheet - 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active - 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 2.3V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-TSSOP
TCAL9538DTUR Texas Instruments

TCAL9538DTUR

TCAL9538DTUR

Texas Instruments

2,551 -
Datasheet - 16-XFQFN Tape & Reel (TR) Active - 8 I2C, SMBus Yes POR Open Drain, Push-Pull 10mA, 25mA 1 MHz 1.08V ~ 3.6V -40°C ~ 125°C - - Surface Mount 16-X2QFN (1.6x1.6)
NCA9595PWJ Nexperia USA Inc.

NCA9595PWJ

I2C

Nexperia USA Inc.

2,291 -
Datasheet - 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active - 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 1.65V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-TSSOP
NCA9555BY-Q100HP Nexperia USA Inc.

NCA9555BY-Q100HP

I2C

Nexperia USA Inc.

2,882 -
Datasheet - 24-WFQFN Exposed Pad Tape & Reel (TR) Active - 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 1.65V ~ 5.5V -40°C ~ 125°C Automotive AEC-Q100 Surface Mount 24-HWQFN (4x4)
NCA9535BY-Q100HP Nexperia USA Inc.

NCA9535BY-Q100HP

ANALOG & LOGIC

Nexperia USA Inc.

2,735 -
Datasheet - 24-WFQFN Exposed Pad Tape & Reel (TR) Active - 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 1.65V ~ 5.5V -40°C ~ 125°C Automotive AEC-Q100 Surface Mount 24-HWQFN (4x4)
NCA9539PW-Q100J Nexperia USA Inc.

NCA9539PW-Q100J

I2C

Nexperia USA Inc.

2,237 -
Datasheet - 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active - 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 1.65V ~ 5.5V -40°C ~ 125°C Automotive AEC-Q100 Surface Mount 24-TSSOP
PI4IOE5V9554ZHEX Diodes Incorporated

PI4IOE5V9554ZHEX

IC XPNDR 400KHZ I2C SMBUS 16TQFN

Diodes Incorporated

2,772 -
Datasheet - 16-WFQFN Exposed Pad Tape & Reel (TR) Active Not Verified 8 I2C, SMBus Yes POR Push-Pull 10mA, 24mA 400 kHz 2.3V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-TQFN (3x3)
NCA9539BY-Q100HP Nexperia USA Inc.

NCA9539BY-Q100HP

ANALOG & LOGIC

Nexperia USA Inc.

3,000 -
Datasheet - 24-WFQFN Exposed Pad Tape & Reel (TR) Active - 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 1.65V ~ 5.5V -40°C ~ 125°C Automotive AEC-Q100 Surface Mount 24-HWQFN (4x4)
PI4IOE5V9554LEX Diodes Incorporated

PI4IOE5V9554LEX

IC XPNDR 400KHZ I2C 16TSSOP

Diodes Incorporated

664 -
Datasheet - 16-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Not Verified 8 I2C Yes - - - 400 kHz 2.3V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-TSSOP
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WINSUN SOURCING SUPPORT

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Global component sourcing support BOM, shortage and EOL support
FREQUENTLY ASKED QUESTIONS

I/O Expanders FAQ

Common questions about selecting, comparing and sourcing I/O Expanders components through Winsun (HK) Electronics.

What should I check when selecting I/O Expanders components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific I/O Expanders part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find I/O Expanders parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for I/O Expanders components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.