SI3402-B-GM vs SI3402-B-GMR Comparison
Detailed side-by-side comparison of SI3402-B-GM by Skyworks Solutions and SI3402-B-GMR 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
SI3402-B-GMR - 802.3af/at PoE+ PD Controller + DC-DC, 20-QFN | Skyworks
SI3402-B-GMR ✓ ActiveSpecification Comparison
| Parameter | SI3402-B-GM | SI3402-B-GMR |
|---|---|---|
| Brand | Skyworks Solutions | Skyworks Solutions |
| Category | Power MOSFET Drivers | Power Management |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.45 | $2.15 |
| Function | PoE PD Interface + Switching Regulator | — |
| Standard Compliance | IEEE 802.3af / 802.3at (Type 1) Class 0-3 | IEEE 802.3af / 802.3at (PoE+ Type 1) |
| Maximum Output Power | 15 W (Class 3) / 13 W typical | 13 W (Class 3) |
| Input Voltage Range (PoE) | 37 V to 57 V | — |
| Number of Channels | 1 | 1 |
| Integrated Hotswap FET | Yes (dual current-limited) | — |
| Integrated Diode Bridges | Yes (both pairs) | — |
| Integrated Surge Suppressor | Yes (transient) | — |
| Switching Regulator | PWM with integrated power FET | — |
| Output Voltage Range | [DATA_NEEDED: Vout min/max] | — |
| Package | 20-QFN (5x5 mm) | 20-QFN, 5x5 mm |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C | -40C to +85C |
| RoHS Status | Compliant | Compliant |
| Pin-Compatible Replacement | Si3402-A (obsolete) | — |
| Product Type | — | PoE PD Controller + DC-DC Switching Regulator |
| Input Voltage Range (PoE Line) | — | 37 V to 57 V |
| Absolute Maximum Input Voltage | — | 100 V (transient) |
| Supported PD Classes | — | Class 0, 1, 2, 3 |
| Hot-Swap FET | — | Internal, integrated |
| Switching FET | — | Internal, integrated |
| Output Topology | — | Isolated or non-isolated flyback/buck (configurable) |
| MSL Level | — | MSL 3 (per JEDEC J-STD-020) |