SI3402-A-GM vs SI3402-B-GMR 对比
详细并排对比 SI3402-A-GM 出自 Skyworks Solutions 和 SI3402-B-GMR 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-A-GM | SI3402-B-GMR |
|---|---|---|
| 品牌 | Skyworks Solutions | Skyworks Solutions |
| 分类 | Voltage Regulators | Power Management |
| 生命周期状态 | 最后采购期 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $1.92 | $2.15 |
| Product Type | PoE Powered Device (PD) Controller with integrated switching regulator | PoE PD Controller + DC-DC Switching Regulator |
| PoE Standard | IEEE 802.3af (Type 1, Class 3) | — |
| Maximum Output Power | 17 W | 13 W (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) | — |
| Number of Channels | 1 | 1 |
| 工作温度 | -40 C to +85 C | -40C to +85C |
| 封装 | 20-QFN (5x5 mm) with exposed pad | 20-QFN, 5x5 mm |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 2 | MSL 3 (per JEDEC J-STD-020) |
| RoHS 状态 | Compliant | Compliant |
| Standard Compliance | — | IEEE 802.3af / 802.3at (PoE+ Type 1) |
| 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) |