TPS2370PW vs TPS2370PWG4 对比
详细并排对比 TPS2370PW 出自 Texas Instruments 和 TPS2370PWG4 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 | TPS2370PWG4 |
|---|---|---|
| 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） | $1.49 | $1.52 |
| 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) | — |
| 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 | 0 C to +70 C |
| 封装 | 8-pin TSSOP (PW) | 8-TSSOP (PW) 4.40 mm body width |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 (unlimited floor life at <30 C / 85 % RH) | — |
| 电源正常输出 | Open-drain, active low | — |
| Enable Logic | Active-high (PG output gates downstream DC/DC) | — |
| RoHS 状态 | Compliant | — |
| Lead-Free Finish | Yes (NiPdAu) | — |
| Standard Compliance | — | IEEE 802.3af |
| Topology / Function | — | PoE Powered Device (PD) interface switch and controller |
| Integrated Pass FET Rds(on) | — | 0.3 ohm |
| Nominal Input Voltage (PoE) | — | 48 V |
| Maximum Input Voltage | — | [DATA_NEEDED: absolute max VIN] |
| Detection Signature Resistor | — | 25 kohm (integrated, four-quadrant) |
| Inrush Current Limit | — | Programmable (default 400 mA for 50 ms per IEEE 802.3af) |
| Power-Good (PG) Output | — | Open-drain, active-low after bulk charge complete |
| Power-Good Off (PG_OFF) Output | — | Open-drain status flag |
| Undervoltage Lockout (UVLO) | — | Adjustable via external resistor divider |
| 热关断 | — | Yes (internal) |
| Terminal Finish | — | Nickel-palladium-gold |
| Max Seated Height | — | 1.2 mm |
| Lead Free / RoHS | — | Yes / Compliant (G4 suffix indicates Pb-free package) |