SI8273AB-IM vs UCC21530DWKR Comparison
Detailed side-by-side comparison of SI8273AB-IM by Skyworks Solutions and UCC21530DWKR 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 | SI8273AB-IM | UCC21530DWKR |
|---|---|---|
| Brand | Skyworks Solutions | Texas Instruments |
| Category | Power MOSFET Drivers | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.62 | $1.95 |
| Product Type | Isolated Gate Driver (ISOdriver) | — |
| Isolation Technology | Silicon RF capacitive isolation | — |
| Isolation Withstand Voltage | 2500 Vrms (per UL1577) | — |
| Number of Channels | 2 (High-Side / Low-Side) | 2 |
| Peak Output Current | 4 A source/sink | — |
| Input Configuration | Single PWM or dual digital inputs (VIA, VIB) | — |
| Propagation Delay | 60 ns (typical) | [DATA_NEEDED: propagation delay in ns] |
| Input Supply Voltage (VDD) | 2.5 V to 5.5 V | — |
| UVLO Threshold | 3 V (programmable on some variants) | — |
| Output Configuration | Independent HS and LS drivers | — |
| Common-Mode Transient Immunity (CMTI) | Industry-leading (per datasheet) | >=125 V/ns (minimum) |
| Operating Temperature Range | -40C to +125C | -40C to +125C |
| Package | 14-pin LGA (5x5 mm) | 14-SOIC (DWK) with 3.3 mm channel spacing |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Driver Configuration | — | Half-Bridge (dual independent outputs) |
| Peak Source Current | — | 4 A |
| Peak Sink Current | — | 6 A |
| Isolation Voltage (RMS) | — | 5.7 kVRMS (reinforced, per UL 1577) |
| Channel-to-Channel Spacing | — | 3.3 mm |
| Maximum Switching Frequency | — | 5 MHz |
| VDD Supply Range (logic side) | — | 3 V to 5.5 V |
| VDDA / VDDB Range (drive side) | — | 8 V to 18 V (up to 25 V per TI part details) |
| Dead-Time Control | — | Programmable via DT pin resistor |
| Enable Pin | — | Yes (EN, active-high; pulls LOW to disable both outputs) |
| Input Logic Compatibility | — | CMOS / TTL |
| Approximate Datasheet Length | — | 47 pages (per third-party datasheet archive) |