TPS544B20RVFR vs TPS544C20RVF 对比
详细并排对比 TPS544B20RVFR 出自 Texas Instruments 和 TPS544C20RVF 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
TPS544B20RVFR - 18V, 20A Sync Buck Converter | Texas Instruments
TPS544B20RVFR ✓ 量产中Texas Instruments
TPS544C20RVF - 18V, 30A SWIFT Buck Converter | Texas Instruments
TPS544C20RVF ✓ 量产中规格对比
| 参数 | TPS544B20RVFR | TPS544C20RVF |
|---|---|---|
| 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） | $5.10 | $8.10 |
| 拓扑 | Synchronous Buck (Step-Down) | Synchronous Buck (Step-Down) |
| 输入电压范围 | 4.5 V to 18 V | 4.5 V to 18 V |
| 输出电压范围 | 0.6 V to 5.5 V (adjustable) | 0.6 V to 5.5 V |
| Continuous Output Current | 20 A | 30 A |
| 开关频率 | Selectable / external RT (typical 500 kHz - 1 MHz range) | — |
| Control Architecture | D-CAP3 adaptive on-time with PMBus | — |
| MOSFETs | Internal high-side and low-side (integrated FETs) | — |
| Digital Interface | PMBus (SMBus-compatible) for telemetry, margining, sequencing, fault reporting | PMBus 1.3 / 1.2 compatible |
| 软启动 | Programmable via PMBus / SS pin | — |
| 工作温度范围 | -40 C to +125 C junction | -40C to +125C |
| Thermal Resistance (junction-to-case, top) | [DATA_NEEDED: junction-to-case top value] | — |
| 封装 | 40-pin LQFN-CLIP (RVF), 5 mm x 7 mm | 40-pin LQFN-CLIP (RVF) 5 mm × 7 mm |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (per JEDEC J-STD-020) | — |
| RoHS 状态 | Compliant | Compliant |
| Protections | OVP, UVLO, OCP (cycle-by-cycle), OTP, pre-bias safe startup | — |
| Efficiency at 12 VIN / 3.3 VOUT / 10 A | [DATA_NEEDED: efficiency number] | — |
| PMBus Address Strapping | Resistor-programmable | — |
| Reference Voltage Accuracy | — | 600 mV, ±0.5% |
| High-Side MOSFET RDS(on) | — | 4.5 mΩ (typical, integrated NexFET) |
| Low-Side MOSFET RDS(on) | — | 2.0 mΩ (typical, integrated NexFET) |
| Control Modes | — | D-CAP and D-CAP2 (selectable via MODE pin) |
| Current Sensing | — | Lossless, internal low-side MOSFET sensing |
| Pitch | — | 0.5 mm |