SI8271AB-ISR vs SI8271GB-ISR Comparison
Detailed side-by-side comparison of SI8271AB-ISR by Skyworks Solutions and Si8271GB-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 ✓ ActiveSkyworks Solutions
Si8271GB-ISR - 4A Isolated Gate Driver, 2.5kV, 8-SOIC | Skyworks
Si8271GB-ISR ✓ ActiveSpecification Comparison
| Parameter | SI8271AB-ISR | Si8271GB-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) | $2.45 | $3.12 |
| Product Type | Isolated Gate Driver (single channel) | — |
| Manufacturer | Skyworks Solutions (formerly Silicon Labs) | — |
| Isolation Technology | RF carrier modulation (capacitive coupling) | Silicon-oxide (proprietary RF-coupled) |
| Peak Output Current | 4 A (source/sink) | 4 A |
| Isolation Voltage | 2.5 kV RMS (UL1577) | — |
| Common-Mode Transient Immunity (CMTI) | >400 kV/us | 400 kV/µs (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) | — |
| Input Compatibility | TTL-compatible | — |
| Enable Pin | Yes (EN, active behavior per datasheet) | — |
| Dead-Time Programming | Yes (DT pin) | Yes (DT pin) |
| Package | 8-pin SOIC (Narrow Body), Tape & Reel | 8-SOIC (narrow body) |
| Operating Temperature Range | -40 C to +125 C | -40 C to +125 C |
| Number of Channels | 1 | 1 |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Function | — | Isolated single-channel gate driver |
| Isolation Voltage (RMS) | — | 2.5 kV |
| Propagation Delay (Typ) | — | 30 ns |
| Channel-to-Channel Matching | — | [DATA_NEEDED: channel-to-channel matching] |
| Input Supply Voltage (VDD1) | — | 2.5 V to 5.5 V |
| Output Supply Voltage (VDD2) | — | 4.5 V to 30 V |
| UVLO Threshold (Output Side) | — | 3 V (typ) |
| Input Type | — | Single PWM / dual digital inputs |
| MSL Level | — | MSL 3 (168 hours) |
| AEC-Q100 Automotive | — | Yes (per Arrow listing) |