TPS2371D vs TPS2378DDAR 对比
详细并排对比 TPS2371D 出自 Texas Instruments 和 TPS2378DDAR 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 | TPS2371D | TPS2378DDAR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Interface ICs | Power MOSFET Drivers |
| 生命周期状态 | Unknown | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.00 | $0.44 |
| 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 | — |
| 封装 | 8-SOIC, 0.154 inch / 3.90 mm width | 8-SO PowerPAD (DDA / HSOIC-8-EP) |
| 安装类型 | Surface mount | Surface Mount |
| 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] | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | Compliant |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| 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 |
| 工作温度范围 | — | -40C to +85C |
| 电源电流 | — | [DATA_NEEDED: operating supply current] |
| 热关断 | — | Yes |
| 引脚数量 | — | 8 |
| Packaging | — | Tape & Reel (DDAR suffix) |
| Typical Power Class | — | Type-2, up to 25.5 W at PD input |