TPS23881RTQR vs TPS23881ARTQT 对比
详细并排对比 TPS23881RTQR 出自 Texas Instruments 和 TPS23881ARTQT 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Texas Instruments
TPS23881ARTQT - 8-Ch 4-Pair Type-4 PoE PSE | Texas Instruments
TPS23881ARTQT ✓ 量产中规格对比
| 参数 | TPS23881RTQR | TPS23881ARTQT |
|---|---|---|
| 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） | $6.05 | $5.30 |
| 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-pin VQFN (8x8 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40 C to +85 C | -40 °C to +125 °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) | 3 (168 hours) |
| 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) | — |
| 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) |