SI8751AB-ISR vs SI8271AB-ISR Comparison
Detailed side-by-side comparison of SI8751AB-ISR by Skyworks Solutions 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
SI8751AB-ISR - Isolated FET Driver, 2.5kV, 8-SOIC | Skyworks
SI8751AB-ISR ✓ ActiveSkyworks Solutions
SI8271AB-ISR - 4A Isolated Gate Driver, 2.5kV, 8-SOIC | Skyworks
SI8271AB-ISR ✓ ActiveSpecification Comparison
| Parameter | SI8751AB-ISR | SI8271AB-ISR |
|---|---|---|
| Brand | Skyworks Solutions | Skyworks Solutions |
| Category | Power MOSFET Drivers | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.65 | $2.45 |
| Product Type | Isolated FET Driver (CMOS input) | Isolated Gate Driver (single channel) |
| Technology | Capacitive (RF) Coupling | — |
| Number of Channels | 1 | 1 |
| Voltage - Isolation | 2500 Vrms | — |
| Common Mode Transient Immunity (Min) | 20 kV/us | — |
| Input Supply Voltage | 2.25 V to 5.5 V | — |
| Output Drive | External FET gate driver (self-powered secondary) | — |
| Input Control Interface | Digital CMOS pin control (Si8751); CTR pin adjusts drive strength | — |
| Propagation Delay | [DATA_NEEDED: propagation delay typical/max] | ~30 ns (typical) |
| Operating Temperature | -40 C to +105 C | — |
| Package | 8-SOIC (0.154", 3.90 mm width) | 8-pin SOIC (Narrow Body), Tape & Reel |
| Mounting Type | Surface Mount | Surface Mount |
| Moisture Sensitivity Level (MSL) | 2A (4 weeks) | — |
| Approval Agency | CQC, CSA, UR, VDE | — |
| ECCN | EAR99 | — |
| HTSUS | 8542.39.0001 | — |
| Manufacturer | — | Skyworks Solutions (formerly Silicon Labs) |
| Isolation Technology | — | RF carrier modulation (capacitive coupling) |
| Peak Output Current | — | 4 A (source/sink) |
| Isolation Voltage | — | 2.5 kV RMS (UL1577) |
| Common-Mode Transient Immunity (CMTI) | — | >400 kV/us |
| 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 |
| RoHS Status | — | Compliant |