TCA9517DGKRQ1 vs PCA9517A Comparison
Detailed side-by-side comparison of TCA9517DGKRQ1 by Texas Instruments and PCA9517A by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
NXP Semiconductors
PCA9517A - Level-Translating I2C-Bus Repeater | NXP Semiconductors
PCA9517A ✓ ActiveSpecification Comparison
| Parameter | TCA9517DGKRQ1 | PCA9517A |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | Interface ICs | Bus Repeaters, Buffers & Extenders |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.46 | $0.00 |
| Function | Level-translating I2C/SMBus buffer/repeater | Level-translating I2C-bus repeater (2-channel bidirectional buffer) |
| Number of Channels | 2 (1 bidirectional circuit) | 2 (SDA, SCL) |
| Data Rate | 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 | — |
| Translation Direction | Bidirectional (up and down) | — |
| Protocol Support | I2C, SMBus | — |
| Powered-Off High Impedance | Yes | — |
| Automotive Qualification | AEC-Q100 qualified | — |
| Operating Temperature | -40C to +125C | [DATA_NEEDED: operating temperature range] |
| Package | VSSOP (DGK), 8 pins | SOIC-8 (SOP) |
| Mounting Type | Surface Mount | Surface Mount |
| Output Type | Open-drain | — |
| Enable Pin | Yes (EN) | — |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS status] |
| Bus Capacitance Isolation | Yes (buffer/repeater function) | — |
| A-Side Supply Voltage (VCC(A)) | — | 0.9 V (min operating) to 5.5 V |
| B-Side Supply Voltage (VCC(B)) | — | 2.7 V to 5.5 V |
| Level Translation Range | — | 0.9 V to 5.5 V (A-side) to 2.7 V to 5.5 V (B-side) |
| Bus Interface | — | I2C-bus and SMBus compatible |
| Enable Input | — | EN, active-high repeater-enable |
| Power-Up Driver Enable Thresholds | — | Drivers enabled only when VCC(A) > 0.8 V and VCC(B) > 2.5 V |
| I/O Configuration | — | Open-drain (standard I2C) |
| Process Technology | — | CMOS |
| Maximum Data Rate | — | 400 kHz (per PCA9517 family specification) |
| A-Side B Condition | — | B-side port must not connect to rise-time-accelerator devices (PCA9510-9516A, PCA9518) |