SI3402-A-GM vs SI3402-B-GM Comparison
Detailed side-by-side comparison of SI3402-A-GM by Skyworks Solutions and SI3402-B-GM 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-A-GM - 17W PoE PD Controller, 802.3af | Skyworks
SI3402-A-GM ⚠ Last Time BuySpecification Comparison
| Parameter | SI3402-A-GM | SI3402-B-GM |
|---|---|---|
| Brand | Skyworks Solutions | Skyworks Solutions |
| Category | Voltage Regulators | Power MOSFET Drivers |
| Lifecycle Status | Last Time Buy | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.92 | $2.45 |
| Product Type | PoE Powered Device (PD) Controller with integrated switching regulator | — |
| PoE Standard | IEEE 802.3af (Type 1, Class 3) | — |
| Maximum Output Power | 17 W | 15 W (Class 3) / 13 W typical |
| Input Voltage Range (PoE) | 37 V to 57 V DC | 37 V to 57 V |
| Input Voltage Transient Tolerance | 100 V absolute max | — |
| Output Voltage | Adjustable (typical 3.3 V, 5 V, 12 V via external components) | — |
| Switching Topology | Synchronous buck PWM with low-EMI frequency dithering | — |
| Integrated Diode Bridges | Yes (on-chip) | Yes (both pairs) |
| Integrated Hot-Swap FET | Yes (internal pass device) | — |
| Number of Channels | 1 | 1 |
| Operating Temperature | -40 C to +85 C | -40C to +85C |
| Package | 20-QFN (5x5 mm) with exposed pad | 20-QFN (5x5 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 2 | — |
| RoHS Status | Compliant | Compliant |
| Function | — | PoE PD Interface + Switching Regulator |
| Standard Compliance | — | IEEE 802.3af / 802.3at (Type 1) Class 0-3 |
| Integrated Hotswap FET | — | Yes (dual current-limited) |
| Integrated Surge Suppressor | — | Yes (transient) |
| Switching Regulator | — | PWM with integrated power FET |
| Output Voltage Range | — | [DATA_NEEDED: Vout min/max] |
| Pin-Compatible Replacement | — | Si3402-A (obsolete) |