PCA9517ADMR2G vs TCA9517DGKR Comparison
Detailed side-by-side comparison of PCA9517ADMR2G by onsemi and TCA9517DGKR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | PCA9517ADMR2G | TCA9517DGKR |
|---|---|---|
| Brand | onsemi | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.62 | $0.65 |
| Function | Level-Translating I2C-Bus Repeater / Buffer (ReDriver) | Level-translating I2C/SMBus buffer, repeater |
| Number of Channels | 2 (bidirectional) | — |
| Low-Voltage Side Range (VCC1) | 0.9 V to 3.0 V [DATA_NEEDED: exact upper limit] | — |
| High-Voltage Side Range (VCC2) | 2.7 V to 5.5 V | — |
| Supported Buses | I2C-bus, SMBus | — |
| Data Rate Support | Standard and Fast mode [DATA_NEEDED: maximum kHz] | — |
| Capacitance Isolation | Yes (buffers both bus segments) | — |
| Rise-Time Accelerator | Yes (keeper on high-voltage side) | — |
| Enable Pin | Yes (EN, active control) | Yes (EN) |
| Output Type | Open-drain (wired-AND) | — |
| Package | MSOP-8 (DM) | 8-VSSOP (DGK), 3.00 mm width |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C [DATA_NEEDED: confirm from datasheet] | [DATA_NEEDED: operating temperature range] |
| RoHS Status | RoHS3 Compliant | Compliant |
| Prefix Suffix Code | R2G (Tape and Reel, 2.5 k units) | — |
| MSL Level | [DATA_NEEDED: MSL rating] | 1 (260C unlimited) |
| Channels | — | 2 (bidirectional SDA, SCL) |
| Circuits | — | 1 |
| Maximum Operating Frequency | — | 400 kHz (Fast-mode I2C) |
| VCCA Supply Range | — | 0.9 V to 5.5 V |
| VCCB Supply Range | — | 2.7 V to 5.5 V |
| Supply Restriction | — | VCCA <= VCCB |
| Powered-Off High Impedance | — | Yes (I2C pins high-Z when supply off) |
| Response Time | — | 110 ns (typical, per TCA9517 family data) |
| Quiescent Current | — | [DATA_NEEDED: quiescent current] |