TUSB8040A1RKMR vs TUSB8041RGCR 对比
详细并排对比 TUSB8040A1RKMR 出自 Texas Instruments 和 TUSB8041RGCR 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
TUSB8040A1RKMR - 4-Port USB 3.0 Hub, 100-WQFN | Texas Instruments
TUSB8040A1RKMR Nrnd
规格对比
| 参数 | TUSB8040A1RKMR | TUSB8041RGCR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 不推荐新设计 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.58 | $4.05 |
| 功能 | USB 3.0 4-Port Hub Controller | 4-Port SuperSpeed USB 3.0 Hub Controller |
| USB Specification | USB 3.0 (SuperSpeed 5 Gbps), backward-compatible with USB 2.0/1.1 | — |
| Upstream Port | 1 port, SuperSpeed + High-Speed/Full-Speed | — |
| Downstream Ports | 4 ports, each supporting SuperSpeed / High-Speed / Full-Speed / Low-Speed | — |
| 电源电压 | 3.3 V typical (1.1 V, 3.3 V internal rails per datasheet) | — |
| 工作温度范围 | 0 C to +70 C (commercial) | — |
| 封装 | 100-WQFN-MR (RKM), 9x9 mm with exposed thermal pad | 64-pin VQFN (RGC), 9x9 mm, exposed pad |
| 引脚数量 | 100 | — |
| 安装类型 | Surface Mount | Surface Mount |
| Configuration Interface | I2C / SMBus slave, pin-strap options | GPIO, I2C, SMBus |
| Per-Port VBUS Switching | External switch required; control outputs provided | — |
| Over-Current Detection | Per-port OC input pins | — |
| LED Indicators | Multi-status LED outputs (per-port and hub state) | — |
| Reference Clock | External 12 MHz crystal / CMOS clock input | — |
| RoHS 状态 | Compliant | [DATA_NEEDED: RoHS status] |
| MSL 等级 | 3 (per JEDEC J-STD-020, reflow at 260 C) | — |
| 生命周期状态 | NRND (Not Recommended for New Designs) | — |
| USB Standard | — | USB 3.0 (SuperSpeed 5 Gbps) |
| Number of Downstream Ports | — | 4 |
| 数据速率 | — | 5 Gbps per port |
| Backward Compatibility | — | USB 2.0 Full Speed / High Speed |
| Supply Voltage (Core) | — | 1.1 V |
| Supply Voltage (I/O) | — | 3.3 V |
| Operating Temperature (TUSB8041) | — | 0C to 70C |
| Operating Temperature (TUSB8041I) | — | -40C to 85C |
| Packaging | — | Tape & Reel (R suffix) |
| Reference Unit Price | — | From $6.12 (LCSC, as of 2026-09-03) |