TPS546A24 vs TPS546B24ARVFR 对比
详细并排对比 TPS546A24 出自 Texas Instruments 和 TPS546B24ARVFR 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
TPS546A24 - 10A 18V Stackable PMBus Buck Converter | Texas Instruments
TPS546A24 ✓ 量产中
规格对比
| 参数 | TPS546A24 | TPS546B24ARVFR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | DC-DC Converters | DC-DC Converters |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.92 | $5.20 |
| 拓扑 | Synchronous Buck (Step-Down) | Synchronous Buck (Step-Down) |
| 输入电压范围 | 2.95 V to 18 V | — |
| 输出电压范围 | 0.5 V to 5.5 V (adjustable, minimum 0.5 V) | 0.6 V to 5.5 V (adjustable) |
| Continuous Output Current | 10 A | 20 A |
| Stackable | Yes, up to 4 phases (40 A total) | — |
| Switching Frequency Range | 225 kHz to 1.5 MHz | 225 kHz to 1.5 MHz (selectable via PMBus or pin-strap) |
| Pin-Strap Frequencies | 12 selectable (8 via MSEL pins) | — |
| Digital Interface | PMBus | PMBus (voltage, current, temperature telemetry; margining; sequencing) |
| Internal LDO | 5 V (with optional external overdrive via VDD5) | — |
| Internal Digital Regulator | 1.5 V (BP1V5) | — |
| Control Mode | Peak Current-Mode with Internal Compensation | Average current mode with selectable internal compensation |
| 封装 | 40-pin QFN (RVF) PowerLFQFN, 7 mm x 5 mm x 1.5 mm | LQFN-CLIP-40 (RVF), 7 mm x 5 mm, 0.9 mm height |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40 C to +125 C junction | — |
| Pre-Biased Output Support | Yes | — |
| Frequency Sync | Sync In / Sync Out | — |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | 2 (per JEDEC J-STD-020) | [DATA_NEEDED: MSL moisture sensitivity level] |
| Input Voltage (PVIN/AVIN) | — | 2.95 V to 18 V |
| Stackable Configuration | — | 2x / 3x / 4x with current sharing |
| High-Side MOSFET Rds(on) | — | 5.5 mΩ |
| Low-Side MOSFET Rds(on) | — | 1.8 mΩ |
| Output Voltage Reference | — | 0.6 V ±1% |
| 工作结温 | — | -40 °C to +150 °C |