TPS2378DDAR vs TPS2371D 对比
详细并排对比 TPS2378DDAR 出自 Texas Instruments 和 TPS2371D 出自 Texas Instruments。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。
规格对比
| 参数 | TPS2378DDAR | TPS2371D |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Power MOSFET Drivers | Interface ICs |
| 生命周期状态 | 有效 | Unknown |
| 功能 | PoE Powered Device (PD) Interface Controller | — |
| Standards Supported | IEEE 802.3at Type-2 (PoE+) and IEEE 802.3at Type-1 / 802.3af (PoE) | — |
| Continuous Switch Current | 0.85 A | — |
| Internal Switch Resistance | 0.5 ohm | — |
| Auxiliary Power Detect (APD) | Yes, external supply priority | — |
| Classification | Class 0-4 via CLS pin | — |
| Type-2 Present Output | T2P pin | — |
| 封装 | 8-SO PowerPAD (DDA / HSOIC-8-EP) | 8-SOIC, 0.154 inch / 3.90 mm width |
| 工作温度范围 | -40C to +85C | — |
| 安装类型 | Surface Mount | Surface mount |
| 电源电流 | [DATA_NEEDED: operating supply current] | — |
| 热关断 | Yes | — |
| 引脚数量 | 8 | — |
| Packaging | Tape & Reel (DDAR suffix) | — |
| RoHS 状态 | Compliant | [DATA_NEEDED: RoHS status] |
| REACH Status | Compliant | [DATA_NEEDED: REACH status] |
| Typical Power Class | Type-2, up to 25.5 W at PD input | — |
| Product Type | — | Power interface switch for Power over Ethernet powered devices |
| PoE Compatibility | — | Legacy IEEE 802.3af compatible |
| Nominal Voltage | — | 48 V |
| Terminal Count | — | 8 terminals |
| Terminal Pitch | — | 1.27 mm |
| Technology | — | CMOS |
| Maximum Operating Temperature | — | 70 °C |
| Application Domain | — | Power over Ethernet powered devices |
| Interface Classification | — | Specialized power interface switch |
| Manufacturer | — | Texas Instruments |
| Product Series | — | TPS2371 |
| Orderable Part Number | — | TPS2371D |
| Input Power Context | — | PoE cable power input |
| Electrical Protection Details | — | [DATA_NEEDED: current limit, threshold, fault response] |
| Operating Voltage Range | — | [DATA_NEEDED: recommended and absolute input voltage ranges] |
| Power Dissipation | — | [DATA_NEEDED: maximum dissipation and thermal derating] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |