TPS544B20RVFR vs TPS544C20RVF Comparison
Detailed side-by-side comparison of TPS544B20RVFR by Texas Instruments and TPS544C20RVF by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
TPS544B20RVFR - 18V, 20A Sync Buck Converter | Texas Instruments
TPS544B20RVFR ✓ ActiveTexas Instruments
TPS544C20RVF - 18V, 30A SWIFT Buck Converter | Texas Instruments
TPS544C20RVF ✓ ActiveSpecification Comparison
| Parameter | TPS544B20RVFR | TPS544C20RVF |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | DC-DC Converters | DC-DC Converters |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.10 | $8.10 |
| Topology | Synchronous Buck (Step-Down) | Synchronous Buck (Step-Down) |
| Input Voltage Range | 4.5 V to 18 V | 4.5 V to 18 V |
| Output Voltage Range | 0.6 V to 5.5 V (adjustable) | 0.6 V to 5.5 V |
| Continuous Output Current | 20 A | 30 A |
| Switching Frequency | 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 |
| Soft-Start | Programmable via PMBus / SS pin | — |
| Operating Temperature Range | -40 C to +125 C junction | -40C to +125C |
| Thermal Resistance (junction-to-case, top) | [DATA_NEEDED: junction-to-case top value] | — |
| Package | 40-pin LQFN-CLIP (RVF), 5 mm x 7 mm | 40-pin LQFN-CLIP (RVF) 5 mm × 7 mm |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (per JEDEC J-STD-020) | — |
| RoHS Status | 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 |