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