TPS2370PW vs TPS23757PWR 对比
详细并排对比 TPS2370PW 出自 Texas Instruments 和 TPS23757PWR 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。
Texas Instruments
TPS2370PW - IEEE 802.3af PoE PD Interface, 8-TSSOP | Texas Instruments
TPS2370PW ✓ 量产中
规格对比
| 参数 | TPS2370PW | TPS23757PWR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Power MOSFET Drivers | DC-DC Converters |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $1.49 | $2.34 |
| 功能 | IEEE 802.3af Power Interface Switch for PoE Powered Devices | — |
| Standards Compliance | IEEE 802.3af (PoE Type 1) | — |
| Input Voltage Range (VCC) | 0 V to 67 V (operating) | — |
| Maximum Switch Voltage (VPORT to GND) | 100 V | — |
| Internal Pass FET RDS(on) | 0.3 ohm | — |
| Detection Signature | 25 kohm standard (802.3af) | IEEE 802.3af compliant (25 kΩ) |
| Classification Classes | Class 0 through Class 4 | — |
| Inrush Current Limiting | Programmable via external components | — |
| 工作温度范围 | -40 C to +85 C | -40 C to +125 C |
| 封装 | 8-pin TSSOP (PW) | 20-TSSOP (PW) with PowerPAD |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 (unlimited floor life at <30 C / 85 % RH) | 2 (1 year floor life) |
| 电源正常输出 | Open-drain, active low | — |
| Enable Logic | Active-high (PG output gates downstream DC/DC) | — |
| RoHS 状态 | Compliant | Compliant |
| Lead-Free Finish | Yes (NiPdAu) | — |
| Product Type | — | PoE Powered Device (PD) interface + DC/DC controller |
| PoE Standard | — | IEEE 802.3at (Type 1, PoE+) and IEEE 802.3af (PoE) |
| Maximum PD Power | — | 13 W (Class 3) |
| Input Voltage Range (PoE) | — | 0 V to 57 V (100 V abs max transient) |
| Auxiliary Adapter Range | — | 12 V to 57 V |
| DC-DC Controller Type | — | Current-mode PWM (flyback/forward) |
| Internal Hot-Swap FET Drive | — | Yes, 100 V rated |
| Hardware Classification | — | Class 0-4 programmable |
| Two-Event Classification | — | Supported |
| UVLO / OVP / OCP / Thermal Shutdown | — | Yes / Yes / Yes / Yes |