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