TPS544C20RVFR vs TPS544B20RVFR Comparison
Detailed side-by-side comparison of TPS544C20RVFR by Texas Instruments and TPS544B20RVFR 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
TPS544C20RVFR - 30A 18V Sync Buck Converter | Texas Instruments
TPS544C20RVFR ✓ ActiveTexas Instruments
TPS544B20RVFR - 18V, 20A Sync Buck Converter | Texas Instruments
TPS544B20RVFR ✓ ActiveSpecification Comparison
| Parameter | TPS544C20RVFR | TPS544B20RVFR |
|---|---|---|
| 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) | $5.21 | $5.10 |
| Function | Synchronous Buck Converter (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 | 0.6 V to 5.5 V (adjustable) |
| Maximum Output Current | 30 A | — |
| Reference Voltage | 0.6 V (0.5% accuracy) | — |
| High-Side Rds(on) | 4.5 mΩ (typical, stacked NexFET) | — |
| Low-Side Rds(on) | 2.0 mΩ (typical, stacked NexFET) | — |
| Control Mode | D-CAP / D-CAP2 selectable | — |
| Current Sensing | Lossless low-side MOSFET sensing | — |
| Digital Interface | PMBus | PMBus (SMBus-compatible) for telemetry, margining, sequencing, fault reporting |
| Package | LQFN-CLIP-40 (RVF) 5 mm x 7 mm | 40-pin LQFN-CLIP (RVF), 5 mm x 7 mm |
| Mounting Type | Surface Mount (PowerPAD/thermal pad) | Surface Mount |
| Number of Outputs | 1 | — |
| Topology | Synchronous buck (integrated FETs) | Synchronous Buck (Step-Down) |
| Output Configuration | Positive, adjustable | — |
| Operating Temperature | -40C to +125C (junction) | — |
| RoHS Status | Compliant | Compliant |
| Continuous Output Current | — | 20 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) |
| Soft-Start | — | Programmable via PMBus / SS pin |
| Operating Temperature Range | — | -40 C to +125 C junction |
| Thermal Resistance (junction-to-case, top) | — | [DATA_NEEDED: junction-to-case top value] |
| MSL Level | — | 3 (per JEDEC J-STD-020) |
| 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 |