Verfügbar 24/7 unter
0755-82798135E/A-Expander
I/O-Expander sind Interface-ICs, die die Anzahl der verfügbaren Ein- und Ausgänge von Mikrocontrollern, Prozessoren und Embedded-Systemen erweitern. Sie werden häufig in der Industrieelektronik, Kommunikationstechnik, Unterhaltungselektronik, Automobilelektronik, Medizintechnik, IoT-Produkten, Smart-Home-Geräten und Embedded-Control-Anwendungen eingesetzt.
Diese Kategorie umfasst GPIO-Expander, I2C-I/O-Expander, SPI-I/O-Expander, Port-Expander, Keypad-Interface-Expander, LED-Control-Expander und verwandte Schnittstellensteuerungskomponenten. Die Auswahl erfolgt häufig nach Schnittstellentyp, Anzahl der I/O-Kanäle, Versorgungsspannung, Interrupt-Unterstützung, Ausgangstreiberfähigkeit, Gehäusetyp und Systemkompatibilität.
TomatoElec liefert originale I/O-Expander von anerkannten Halbleiterherstellern wie Texas Instruments, NXP, Microchip, STMicroelectronics, onsemi, Diodes Incorporated, Renesas, Infineon und weiteren wichtigen Marken. Als lagerführender Lieferant und unabhängiger Distributor für elektronische Komponenten bietet TomatoElec Bestandsunterstützung, Originalbauteil-Beschaffung und BOM-Sourcing für internationale Kunden.
| Foto | Hersteller-Teilenr. | Verfügbarkeit | Preis | Menge | Datenblatt | Serie | Verpackung/Gehäuse | Verpackung | Produktstatus | Programmierbar | Anzahl der E/A | Schnittstelle | Interrupt-Ausgang | Funktionen | Ausgabetyp | Strom - Ausgangsquelle/-senke | Taktfrequenz | Spannung - Versorgung | Betriebstemperatur | Klasse | Qualifizierung | Montageart | Lieferant Gerätepaket |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MCP23017T-E/SSIC XPNDR 1.7MHZ I2C 28SSOP |
3,842 | - |
|
Datenblatt |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 25mA | 1.7 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-SSOP |
|
MCP23S17T-E/SOIC XPNDR 10MHZ SPI 28SOIC |
3,398 | - |
|
Datenblatt |
- | 28-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | SPI | Yes | POR | Push-Pull | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-SOIC |
|
MCP23S17-E/MLIC XPNDR 10MHZ SPI 28QFN |
1,143 | - |
|
Datenblatt |
- | 28-VQFN Exposed Pad | Tube | Active | Not Verified | 16 | SPI | Yes | POR | Push-Pull | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-QFN (6x6) |
|
MCP23S09T-E/MGIC XPNDR 10MHZ SPI 16QFN |
3,678 | - |
|
Datenblatt |
- | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | SPI | Yes | - | Open Drain | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-QFN (3x3) |
|
|
TCA9539RTWRIC XPNDR 400KHZ I2C SMBUS 24WQFN |
10,580 | - |
|
Datenblatt |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-WQFN (4x4) |
|
PCF8574DWRIC XPNDR 100KHZ I2C 16SOIC |
3,341 | - |
|
Datenblatt |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
MCP23S17T-E/SSIC XPNDR 10MHZ SPI 28SSOP |
13,799 | - |
|
Datenblatt |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | SPI | Yes | - | Push-Pull | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-SSOP |
|
MCP23S17-E/SPIC XPNDR 10MHZ SPI 28SDIP |
12,344 | - |
|
Datenblatt |
- | 28-DIP (0.300", 7.62mm) | Tube | Active | Not Verified | 16 | SPI | Yes | POR | Push-Pull | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Through Hole | 28-SPDIP |
|
PCA9555DWRIC XPNDR 400KHZ I2C SMBUS 24SOIC |
5,688 | - |
|
Datenblatt |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SOIC |
|
PCA9538BS,118IC XPND 400KHZ I2C SMBUS 16HVQFN |
10,278 | - |
|
Datenblatt |
- | 16-VQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-HVQFN (4x4) |
|
PCA9534PW,118IC XPND 400KHZ I2C SMBUS 16TSSOP |
7,147 | - |
|
Datenblatt |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
PCA9534BS,118IC XPND 400KHZ I2C SMBUS 16HVQFN |
4,512 | - |
|
Datenblatt |
- | 16-VQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-HVQFN (4x4) |
|
PCA9538PW,118IC XPND 400KHZ I2C SMBUS 16TSSOP |
3,655 | - |
|
Datenblatt |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
PCA9534D,118IC XPNDR 400KHZ I2C SMBUS 16SO |
2,987 | - |
|
Datenblatt |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
|
PCA9539APW,118IC XPND 400KHZ I2C SMBUS 24TSSOP |
5,155 | - |
|
Datenblatt |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | 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 |
|
PCAL6524HEAZIC XPNDR 1MHZ I2C 32HUQFN |
69,856 | - |
|
Datenblatt |
- | 32-UFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 24 | I2C | Yes | POR | Open Drain, Push-Pull | - | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 32-HUQFN (5x5) |
|
PCAL6524HEHPIC XPNDR 1MHZ I2C 32HUQFN |
40,549 | - |
|
Datenblatt |
- | 32-UFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 24 | I2C | Yes | POR | Open Drain, Push-Pull | - | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 32-HUQFN (5x5) |
|
PCA9539PW,118IC XPND 400KHZ I2C SMBUS 24TSSOP |
26,234 | - |
|
Datenblatt |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
MCP23017T-E/MLIC XPNDR 1.7MHZ I2C 28QFN |
5,014 | - |
|
Datenblatt |
- | 28-VQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 25mA | 1.7 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-QFN (6x6) |
|
MCP23017-E/MLIC XPNDR 1.7MHZ I2C 28QFN |
3,792 | - |
|
Datenblatt |
- | 28-VQFN Exposed Pad | Tube | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 25mA | 1.7 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-QFN (6x6) |

