TPS2370D vs TPS2378DDAR 对比
详细并排对比 TPS2370D 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 | TPS2370D | TPS2378DDAR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Power MOSFET Drivers | Power MOSFET Drivers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $2.69 | $0.44 |
| Product Type | IEEE 802.3af Power-over-Ethernet power interface switch | — |
| Application | PoE powered devices | — |
| Standard | IEEE 802.3af | — |
| Manufacturer | Texas Instruments | — |
| 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 |
| Terminal Count | 8 terminals | — |
| Temperature Grade | Commercial | — |
| 输入电压范围 | [DATA_NEEDED: input voltage range] | — |
| 输出电压范围 | [DATA_NEEDED: output voltage range] | — |
| Current Rating | [DATA_NEEDED: current rating] | — |
| Power Class Support | [DATA_NEEDED: IEEE 802.3af power-class details] | — |
| Protection Functions | [DATA_NEEDED: protection functions and thresholds] | — |
| 工作温度范围 | [DATA_NEEDED: operating temperature range] | -40C to +85C |
| RoHS | unknown | — |
| REACH | unknown | — |
| AEC-Q100 Qualification | not_applicable | — |
| Lead-Free Status | unknown | — |
| Datasheet Page Count | 18 pages | — |
| Reference Unit Price | $2.6946 per unit | — |
| Verified Stock Reference | 7,856 pieces | — |
| 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 |
| 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 |
| REACH Status | — | Compliant |
| Typical Power Class | — | Type-2, up to 25.5 W at PD input |