TPS23881RTQR vs TPS23882RTQR 对比
详细并排对比 TPS23881RTQR 出自 Texas Instruments 和 TPS23882RTQR 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
TPS23881RTQR - 8-Ch 802.3bt PoE PSE Controller | Texas Instruments
TPS23881RTQR ✓ 量产中
规格对比
| 参数 | TPS23881RTQR | TPS23882RTQR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Power MOSFET Drivers | LED Drivers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $6.05 | $2.09 |
| Product Type | PoE PSE Controller (Power Sourcing Equipment) | — |
| Standard Compliance | IEEE 802.3bt (Type 3 / Type 4), backwards compatible with 802.3at / 802.3af | — |
| Number of Channels | 8 independent PSE channels | 8 |
| Configuration | 2-Pair or 4-Pair, auto-mode or semi-auto-mode | — |
| Maximum Power per Port | 90 W (Type-4, 4-Pair) | — |
| Current Sense Resistor | 200 mΩ RSENSE (external) | — |
| 输入电压范围 | 44 V to 57 V (typical 54 V PoE bus) | — |
| 封装 | VQFN-56 (RTQ) 8x8 mm with exposed thermal pad | 56-QFN (8x8 mm), RTQ suffix |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40 C to +85 C | — |
| Host Interface | I2C (primary), SPI (configuration) | — |
| Integrated Hot-Swap FET | Yes, per channel (low-side) | — |
| MSL 等级 | Level-3, 260 C, 168 hr (per JEDEC J-STD-020) | — |
| RoHS 状态 | RoHS Compliant | Compliant |
| REACH Status | [DATA_NEEDED: REACH compliance statement] | — |
| Telemetry | Per-port V/I readback via 12-bit ADC | — |
| Firmware Support | Compatible with TI FirmPSE system firmware (multi-device up to 48 ports) | — |
| 功能 | — | PoE PSE Controller (Power Sourcing Equipment) |
| Standards Supported | — | IEEE 802.3bt, IEEE 802.3at (PoE+), IEEE 802.3af (PoE) |
| PoE Type | — | Type-3, 2-pair |
| Max Power per Port | — | 30 W (2-pair, Type-3) |
| Integrated Sense Resistor | — | 200 mOhm (on-chip RSENSE) |
| Embedded Memory | — | SRAM (programmable detection/classification) |
| Pin Compatibility | — | TPS2388, TPS23880, TPS23881 (pin-to-pin, port remapping) |
| 工作温度范围 | — | -40C to +125C |
| Packaging | — | Tape & Reel (R suffix), Cut Tape (T suffix) |
| Part Status | — | Active |
| 分类 | — | PMIC - Power over Ethernet (PoE) Controllers |
| 电源电压 | — | [DATA_NEEDED: supply voltage range] |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |