PCA9518PW vs PCA9519 Comparison
Detailed side-by-side comparison of PCA9518PW by NXP Semiconductors and PCA9519 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 | PCA9518PW | PCA9519 |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Product Type | Expandable 5-channel I2C-bus hub | — |
| Interface | I2C and SMBus | — |
| Process Technology | BiCMOS | — |
| Supply Voltage Range | 2.3 V to 3.6 V | — |
| 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 | — |
| Package | 20-pin TSSOP | TSSOP-20 (PW) |
| Mounting Type | Surface Mount | Surface Mount |
| Manufacturer | NXP Semiconductors | — |
| Function | I2C bus buffering and expansion | 4-channel level translating I2C-bus/SMBus repeater |
| 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 | I2C-bus / SMBus |
| RoHS Status | unknown | [DATA_NEEDED: RoHS status] |
| REACH Status | unknown | — |
| Number of Channels | — | 4 (4 SCL/SDA pairs) |
| Port A Voltage Range | — | 1 V to VCC(B) 1.5 V |
| Port B Voltage Range | — | 3.0 V to 5.5 V |
| Port B Capacitance Drive | — | 400 pF |
| External Pull-ups on Port A | — | Not required |
| Direction Control | — | Bidirectional, automatic |
| Supply Voltage VCC(B) | — | [DATA_NEEDED: VCC(B) absolute maximum range] |
| Quiescent Current | — | [DATA_NEEDED: ICC typical] |
| Data Rate | — | [DATA_NEEDED: max data rate] |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Supply Current Max | — | [DATA_NEEDED: ICC max] |
| Repeatability Features | — | Retains all I2C-bus operating modes during level shifts |