TPS23881ARTQT vs TPS23881RTQR 对比
详细并排对比 TPS23881ARTQT 出自 Texas Instruments 和 TPS23881RTQR 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
TPS23881ARTQT - 8-Ch 4-Pair Type-4 PoE PSE | Texas Instruments
TPS23881ARTQT ✓ 量产中Texas Instruments
TPS23881RTQR - 8-Ch 802.3bt PoE PSE Controller | Texas Instruments
TPS23881RTQR ✓ 量产中规格对比
| 参数 | TPS23881ARTQT | TPS23881RTQR |
|---|---|---|
| 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） | $5.30 | $6.05 |
| Number of Channels | 8 | 8 independent PSE channels |
| PoE Standard | IEEE 802.3bt Type-3 / Type-4, 802.3at (PoE+) | — |
| Number of Powered Pairs | 4-pair | — |
| Sense Resistor | 200 mΩ | — |
| Supply Voltage (VCC) | 44 V to 57 V (nominal 48 V) | — |
| Maximum Per-Port Power | 90 W (Type-4) | — |
| Control Interface | I2C (16 selectable addresses) | — |
| Modes | Autonomous / Semi-Auto / Manual | — |
| Current Limit Foldback | Yes (per-port) | — |
| Thermal Protection | Yes (per-port thermal shutdown) | — |
| 工作温度 | -40 °C to +125 °C | -40 C to +85 C |
| 封装 | 56-pin VQFN (8x8 mm) | VQFN-56 (RTQ) 8x8 mm with exposed thermal pad |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (168 hours) | Level-3, 260 C, 168 hr (per JEDEC J-STD-020) |
| RoHS 状态 | Compliant | RoHS Compliant |
| Product Type | — | PoE PSE Controller (Power Sourcing Equipment) |
| Standard Compliance | — | IEEE 802.3bt (Type 3 / Type 4), backwards compatible with 802.3at / 802.3af |
| 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) |
| Host Interface | — | I2C (primary), SPI (configuration) |
| Integrated Hot-Swap FET | — | Yes, per channel (low-side) |
| 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) |