TPS546B24ARVFR vs TPS546A24 Comparison
Detailed side-by-side comparison of TPS546B24ARVFR by Texas Instruments and TPS546A24 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
TPS546B24ARVFR - 18V, 20A Stackable Sync Buck Converter | TI
TPS546B24ARVFR ✓ ActiveTexas Instruments
TPS546A24 - 10A 18V Stackable PMBus Buck Converter | Texas Instruments
TPS546A24 ✓ ActiveSpecification Comparison
| Parameter | TPS546B24ARVFR | TPS546A24 |
|---|---|---|
| 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) | $5.20 | $4.92 |
| Topology | Synchronous Buck (Step-Down) | Synchronous Buck (Step-Down) |
| Input Voltage (PVIN/AVIN) | 2.95 V to 18 V | — |
| Output Voltage Range | 0.6 V to 5.5 V (adjustable) | 0.5 V to 5.5 V (adjustable, minimum 0.5 V) |
| Continuous Output Current | 20 A | 10 A |
| Stackable Configuration | 2x / 3x / 4x with current sharing | — |
| Switching Frequency Range | 225 kHz to 1.5 MHz (selectable via PMBus or pin-strap) | 225 kHz to 1.5 MHz |
| High-Side MOSFET Rds(on) | 5.5 mΩ | — |
| Low-Side MOSFET Rds(on) | 1.8 mΩ | — |
| Control Mode | Average current mode with selectable internal compensation | Peak Current-Mode with Internal Compensation |
| Digital Interface | PMBus (voltage, current, temperature telemetry; margining; sequencing) | PMBus |
| Output Voltage Reference | 0.6 V ±1% | — |
| Operating Junction Temperature | -40 °C to +150 °C | — |
| Package | LQFN-CLIP-40 (RVF), 7 mm x 5 mm, 0.9 mm height | 40-pin QFN (RVF) PowerLFQFN, 7 mm x 5 mm x 1.5 mm |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| MSL Level | [DATA_NEEDED: MSL moisture sensitivity level] | 2 (per JEDEC J-STD-020) |
| Input Voltage Range | — | 2.95 V to 18 V |
| Stackable | — | Yes, up to 4 phases (40 A total) |
| Pin-Strap Frequencies | — | 12 selectable (8 via MSEL pins) |
| Internal LDO | — | 5 V (with optional external overdrive via VDD5) |
| Internal Digital Regulator | — | 1.5 V (BP1V5) |
| Operating Temperature | — | -40 C to +125 C junction |
| Pre-Biased Output Support | — | Yes |
| Frequency Sync | — | Sync In / Sync Out |