SI8271AB-ISR vs UCC5350-Q1 Comparison
Detailed side-by-side comparison of SI8271AB-ISR by Skyworks Solutions and UCC5350-Q1 by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Skyworks Solutions
SI8271AB-ISR - 4A Isolated Gate Driver, 2.5kV, 8-SOIC | Skyworks
SI8271AB-ISR ✓ ActiveSpecification Comparison
| Parameter | SI8271AB-ISR | UCC5350-Q1 |
|---|---|---|
| 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) | $2.45 | $1.18 |
| Product Type | Isolated Gate Driver (single channel) | Single-channel isolated gate driver |
| Manufacturer | Skyworks Solutions (formerly Silicon Labs) | — |
| Isolation Technology | RF carrier modulation (capacitive coupling) | Capacitive coupling |
| Peak Output Current | 4 A (source/sink) | — |
| Isolation Voltage | 2.5 kV RMS (UL1577) | — |
| Common-Mode Transient Immunity (CMTI) | >400 kV/us | 100 V/ns minimum |
| Latch-up Immunity | 400 kV/us | — |
| Driver Supply Voltage (VDD) | 4.6 V to 30 V | — |
| UVLO Threshold | 5 V (with deglitch) | — |
| Propagation Delay | ~30 ns (typical) | < 100 ns |
| Input Compatibility | TTL-compatible | — |
| Enable Pin | Yes (EN, active behavior per datasheet) | — |
| Dead-Time Programming | Yes (DT pin) | — |
| Package | 8-pin SOIC (Narrow Body), Tape & Reel | 8-pin SOIC (D) |
| Operating Temperature Range | -40 C to +125 C | — |
| Number of Channels | 1 | 1 |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Peak Source Current (Typical) | — | 10 A |
| Peak Sink Current (Typical) | — | 10 A |
| Minimum Peak Source Current | — | 5 A |
| Minimum Peak Sink Current | — | 5 A |
| Isolation Voltage (RMS) | — | 3 kVRMS (basic); 5 kVRMS transient withstand |
| VDD Drive Supply Range | — | 8 V to 18 V |
| VCC Input-side Supply | — | 3 V to 5.5 V |
| Output Options | — | Miller clamp or split (separate source/sink) outputs |
| Operating Temperature | — | -40C to +125C |
| Automotive Qualification | — | AEC-Q100 Grade 1 |
| Functional Safety | — | FMEDA documentation available |