PCA9518PWT vs PCA9518PW Comparison
Detailed side-by-side comparison of PCA9518PWT by Texas Instruments and PCA9518PW by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | PCA9518PWT | PCA9518PW |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Device Type | Five-channel bidirectional I2C/SMBus buffer and hub | — |
| Number of Downstream Channels | 5 channels | — |
| Supply Voltage Range | 3 V to 3.6 V | 2.3 V to 3.6 V |
| Maximum I2C Bus Speed | 400 kHz | — |
| Bus Capacitance per Buffered Group | 400 pF maximum | — |
| Protocol Support | I2C and SMBus | — |
| Data Line Type | Bidirectional SDA | — |
| Clock Line Type | Bidirectional SCL | — |
| Number of Pins | 20 pins | — |
| Package | TSSOP (PW), 20 pins | 20-pin TSSOP |
| Operating Temperature Range | -40 °C to 85 °C | — |
| Mounting Type | Surface mount | Surface Mount |
| Ordering Option | PCA9518PWT tape-and-reel designation | — |
| RoHS Compliance | [DATA_NEEDED: RoHS compliance status] | — |
| REACH Compliance | [DATA_NEEDED: REACH compliance status] | — |
| Automotive Qualification | [DATA_NEEDED: AEC-Q100 qualification status] | — |
| Product Type | — | Expandable 5-channel I2C-bus hub |
| Interface | — | I2C and SMBus |
| Process Technology | — | BiCMOS |
| Downstream Channels | — | 5 channels |
| Bus Communication Frequency | — | 400 kHz |
| Partial Power-Down Input Threshold | — | VDD below 2.0 V |
| Partial Power-Down Bus Behavior | — | I2C-bus I/O pins remain high impedance |
| Manufacturer | — | NXP Semiconductors |
| Function | — | I2C bus buffering and expansion |
| Output Type | — | Push-pull |
| Operating Voltage | — | 2.3 V to 3.6 V |
| Partial Power-Down Support | — | Yes |
| I2C Bus Isolation | — | High-impedance state during partial power-down |
| Bus Protocol | — | I2C / SMBus |
| RoHS Status | — | unknown |
| REACH Status | — | unknown |