SI3402-B-GMR vs SI3402-A-GM 对比
详细并排对比 SI3402-B-GMR 出自 Skyworks Solutions 和 SI3402-A-GM 出自 Skyworks Solutions。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Skyworks Solutions
SI3402-B-GMR - 802.3af/at PoE+ PD Controller + DC-DC, 20-QFN | Skyworks
SI3402-B-GMR ✓ 量产中规格对比
| 参数 | SI3402-B-GMR | SI3402-A-GM |
|---|---|---|
| 品牌 | Skyworks Solutions | Skyworks Solutions |
| 分类 | Power Management | Voltage Regulators |
| 生命周期状态 | 有效 | 最后采购期 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $2.15 | $1.92 |
| Product Type | PoE PD Controller + DC-DC Switching Regulator | PoE Powered Device (PD) Controller with integrated switching regulator |
| Standard Compliance | IEEE 802.3af / 802.3at (PoE+ Type 1) | — |
| Number of Channels | 1 | 1 |
| Input Voltage Range (PoE Line) | 37 V to 57 V | — |
| Absolute Maximum Input Voltage | 100 V (transient) | — |
| Maximum Output Power | 13 W (Class 3) | 17 W |
| 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) | — |
| 封装 | 20-QFN, 5x5 mm | 20-QFN (5x5 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C | -40 C to +85 C |
| MSL 等级 | MSL 3 (per JEDEC J-STD-020) | 2 |
| RoHS 状态 | Compliant | Compliant |
| PoE Standard | — | IEEE 802.3af (Type 1, Class 3) |
| Input Voltage Range (PoE) | — | 37 V to 57 V DC |
| Input Voltage Transient Tolerance | — | 100 V absolute max |
| 输出电压 | — | 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) |
| Integrated Hot-Swap FET | — | Yes (internal pass device) |