UCC5350-Q1 vs SI8271AB-ISR Comparison
Detailed side-by-side comparison of UCC5350-Q1 by Texas Instruments and SI8271AB-ISR by Skyworks Solutions. 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 | UCC5350-Q1 | SI8271AB-ISR |
|---|---|---|
| Brand | Texas Instruments | Skyworks Solutions |
| Category | Power MOSFET Drivers | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.18 | $2.45 |
| Product Type | Single-channel isolated gate driver | Isolated Gate Driver (single channel) |
| Number of Channels | 1 | 1 |
| 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 | — |
| Isolation Technology | Capacitive coupling | RF carrier modulation (capacitive coupling) |
| Common-Mode Transient Immunity (CMTI) | 100 V/ns minimum | >400 kV/us |
| VDD Drive Supply Range | 8 V to 18 V | — |
| VCC Input-side Supply | 3 V to 5.5 V | — |
| Propagation Delay | < 100 ns | ~30 ns (typical) |
| Output Options | Miller clamp or split (separate source/sink) outputs | — |
| Package | 8-pin SOIC (D) | 8-pin SOIC (Narrow Body), Tape & Reel |
| Operating Temperature | -40C to +125C | — |
| Automotive Qualification | AEC-Q100 Grade 1 | — |
| Functional Safety | FMEDA documentation available | — |
| RoHS Status | Compliant | Compliant |
| Mounting Type | Surface Mount | Surface Mount |
| Manufacturer | — | Skyworks Solutions (formerly Silicon Labs) |
| Peak Output Current | — | 4 A (source/sink) |
| Isolation Voltage | — | 2.5 kV RMS (UL1577) |
| Latch-up Immunity | — | 400 kV/us |
| Driver Supply Voltage (VDD) | — | 4.6 V to 30 V |
| UVLO Threshold | — | 5 V (with deglitch) |
| Input Compatibility | — | TTL-compatible |
| Enable Pin | — | Yes (EN, active behavior per datasheet) |
| Dead-Time Programming | — | Yes (DT pin) |
| Operating Temperature Range | — | -40 C to +125 C |