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0755-82798135I/O Expanders
I/O Expanders are interface ICs used to increase the number of input and output ports available to microcontrollers, processors and embedded systems. They are widely used in industrial control, communication equipment, consumer electronics, automotive electronics, medical devices, IoT products, smart home devices and embedded control applications.
This category includes GPIO expanders, I2C I/O expanders, SPI I/O expanders, port expanders, keypad interface expanders, LED control expanders and related interface control components. These devices are commonly selected based on interface type, number of I/O channels, supply voltage, interrupt support, output drive capability, package type and system compatibility.
TomatoElec supplies original I/O Expanders from recognized semiconductor manufacturers such as Texas Instruments, NXP, Microchip, STMicroelectronics, onsemi, Diodes Incorporated, Renesas, Infineon and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NCA9595PW-Q100JI2C |
2,052 | - |
|
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 | - | - | Surface Mount | 24-TSSOP |
|
PI4IOE5V9555LEXIC XPNDR 400KHZ I2C 24TSSOP |
1,854 | - |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | - | - | - | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
TPT29539Q-TS5R-SIC XPND I2C SMBUS 1MBPS 20-TSSOP |
4,000 | - |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | - | 16 | I2C | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 24-TSSOP |
|
PI4IOE5V6524ZHEXINTERFACE IO EXPANDER W-QFN5050- |
2,495 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | - | 24 | I2C | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 1 MHz | 0.8V ~ 3.6V, 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 32-TQFN (5x5) |
|
SX1508QBIULTRTIC XPNDR 400KHZ I2C 20QFN |
3,000 | - |
|
Datasheet |
- | 20-UFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | No | - | Open Drain, Push-Pull | 8mA, 15mA | 400 kHz | 1.425V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 20-QFN-UT (3x3) |
|
PI4IOE5V6416AQ2LEXIC XPNDR 400KHZ I2C 24TSSOP |
2,737 | - |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 105°C | - | - | Surface Mount | 24-TSSOP |
|
TCA6416PWTIC XPND 400KHZ I2C SMBUS 24TSSOP |
244 | - |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Not For New Designs | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
MAX7310AEE+IC XPNDR 400KHZ I2C SMBUS 16QSOP |
0 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tube | Active | Not Verified | 8 | I2C, SMBus | No | POR | Open Drain, Push-Pull | 18mA, 30mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-QSOP |
|
KTS1620EWA-TRLOW VOLTAGE 24-BIT I2C-BUS I/O E |
1,845 | - |
|
Datasheet |
- | 36-VFBGA, WLBGA | Tape & Reel (TR) | Active | - | 24 | I2C | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 36-FOWLP (2.6x2.6) |
|
MAX7325ATG+TIC XPNDR 400KHZ I2C 24TQFN |
2,488 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 (8 Output Only) | I2C | Yes | POR | Open Drain, Push-Pull | 20mA | 400 kHz | 1.71V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-TQFN (4x4) |
|
MAX7329AWE+TIC XPNDR 100KHZ I2C 16SOIC |
880 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Open Drain | 25mA | 100 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-SOIC |
|
MAX7322ATE+TIC XPNDR 400KHZ I2C 16TQFN |
7,500 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 4 | I2C | Yes | POR | - | 20mA | 400 kHz | 1.7V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-TQFN (3x3) |
|
MAX7320ATE+TIC XPNDR 400KHZ I2C 16TQFN |
1,107 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | No | POR | Open Drain, Push-Pull | 25mA | 400 kHz | 1.71V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-TQFN (3x3) |
|
MAX7326AEG+IC XPNDR 400KHZ I2C 24QSOP |
86 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tube | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 20mA | 400 kHz | 1.71V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-QSOP |
|
MAX7319AEE+TIC XPNDR 400KHZ I2C 16QSOP |
4,923 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 (Input Only) | I2C | Yes | POR | - | 25mA | 400 kHz | 1.71V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-QSOP |
|
MAX7310ATE+TIC XPNDR 400KHZ I2C SMBUS 16TQFN |
2,415 | - |
|
Datasheet |
- | 16-WQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | No | POR | Open Drain, Push-Pull | 18mA, 30mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-TQFN (4x4) |
|
MAX7312ATG+TIC XPNDR 400KHZ I2C SMBUS 24TQFN |
3,285 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 31mA, 43mA | 400 kHz | 2V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-TQFN (4x4) |
|
MAX7312AWG+TIC XPNDR 400KHZ I2C SMBUS 24SOIC |
336 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 31mA, 43mA | 400 kHz | 2V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-SOIC |
|
MAX7314ATG+TIC XPNDR 400KHZ I2C 24TQFN |
7,282 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 18 | I2C | Yes | PWM | Open Drain | 50mA | 400 kHz | 2V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 24-TQFN (4x4) |
|
MAX7311AWG+TIC XPNDR 400KHZ I2C SMBUS 24SOIC |
756 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 31mA, 43mA | 400 kHz | 2V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-SOIC |
