TPS53667 vs TPS53681RSBT Comparison
Detailed side-by-side comparison of TPS53667 by Texas Instruments and TPS53681RSBT 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
TPS53667 - 6-Phase D-CAP+ Buck Controller w/ PMBus | Texas Instruments
TPS53667 ✓ ActiveTexas Instruments
TPS53681RSBT - Dual 6+2/5+3 D-CAP+ Multiphase Buck Controller | TI
TPS53681RSBT ✓ ActiveSpecification Comparison
| Parameter | TPS53667 | TPS53681RSBT |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | DC-DC Converters | Voltage Regulators |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.05 | $3.95 |
| Topology | Multi-phase synchronous buck controller | Multiphase synchronous buck controller |
| Phase Configuration | 6-phase (interleaved) | 6+2 or 5+3 phases |
| Control Scheme | D-CAP+ hysteretic | — |
| Output Voltage Range | 0.5 V to 2.5 V (5 mV steps via 8-bit BOOT) | 0.25 V to 5 V |
| Communication Interface | PMBus v1.2 | — |
| Non-Volatile Memory | Built-in NVM for custom configuration | Integrated NVM for configuration |
| Compatible Power Stages | TI NexFET (CSD9549x series, CSD96497Q5MC) | — |
| Driver Type | Driverless (drives external power stages) | — |
| Protection Features | OVP, OCP, OTP | — |
| Telemetry | VOUT, IOUT, temperature (via PMBus) | — |
| Package | 40-WQFN 6x6 mm (RTA suffix) | 40-pin WQFN (RSB), 5x5 mm |
| Mounting Type | Surface Mount | Surface Mount |
| Target Applications | ASIC POL, server core rails, high-current POL | — |
| RoHS Status | Compliant | Compliant |
| Lead Free | Yes | — |
| Number of Outputs | — | 2 (dual-channel) |
| Control Method | — | D-CAP+ adaptive on-time |
| VCC/VDD Input Voltage | — | 4.5 V to 17 V |
| PVCC Operating Voltage | — | Up to 28 V |
| Per-Rail Output Current (typical) | — | >100 A |
| Per-Rail Output Current (peak) | — | Up to 300 A |
| PMBus Interface | — | PMBus 1.3.1 compliant |
| Operating Junction Temperature | — | -40 C to +125 C |
| Compatible Power Stage | — | TI NexFET smart power stages |
| MSL Level | — | 2 (per JEDEC J-STD-020) |