PCA9517A vs TCA9517DGKRQ1 Comparison
Detailed side-by-side comparison of PCA9517A by NXP Semiconductors and TCA9517DGKRQ1 by Texas Instruments. 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 ✓ Active
Specification Comparison
| Parameter | PCA9517A | TCA9517DGKRQ1 |
|---|---|---|
| Brand | NXP Semiconductors | Texas Instruments |
| Category | Bus Repeaters, Buffers & Extenders | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $0.46 |
| Function | Level-translating I2C-bus repeater (2-channel bidirectional buffer) | Level-translating I2C/SMBus buffer/repeater |
| 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 | — |
| Number of Channels | 2 (SDA, SCL) | 2 (1 bidirectional circuit) |
| 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 | — |
| Package | SOIC-8 (SOP) | VSSOP (DGK), 8 pins |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +125C |
| Maximum Data Rate | 400 kHz (per PCA9517 family specification) | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| A-Side B Condition | B-side port must not connect to rise-time-accelerator devices (PCA9510-9516A, PCA9518) | — |
| 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 |
| Output Type | — | Open-drain |
| Enable Pin | — | Yes (EN) |
| Bus Capacitance Isolation | — | Yes (buffer/repeater function) |