450W 9-32V to 13.8V Buck-Boost Voltage Regulator Module for DC Systems
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Introduction
The Neousys RPM-450 is a rugged buck-boost DC-DC converter that delivers a stable 13.8 V / 450 W output across a wide 9–32 V input range. Designed for 12 V / 24 V in-vehicle power systems and industrial applications, it smooths voltage fluctuations to ensure uninterrupted operation of high-power electronics. Even when input voltage drops to 9 V, the RPM-450 sustains a steady 13.8 V output, keeping back-end devices such as GPU computers running reliably without resets or power dropouts.
Built for harsh environments, the RPM-450 operates fanlessly from −25 °C to +70 °C. Its compact form factor fits tight spaces, shortens cable runs, and reduces integration costs, while 94–96% efficiency minimizes self-heating and simplifies thermal management.
The RPM-450 also features millisecond-level Undervoltage/Overvoltage Protection (UVP/OVP) with automatic recovery to safeguard back-end systems against unexpected voltage fluctuations. In addition, hardware Overcurrent/Short-Circuit Protection (OCP/SCP) prevents damage from overloads, and reverse-polarity protection guards against wiring errors. Front-panel LED indicators provide instant input/output status for quick diagnostics and reduced downtime.
Stable power is the foundation of edge AI applications. The Neousys RPM-450 provides a reliable 13.8 V backbone for GPU computer systems—delivering consistent performance under variable input, reducing unexpected reboots, and extending system uptime.
Specifications
| Input Characteristics | |
|---|---|
| Input Voltage | 9V to 32V |
| Undervoltage Shutdown | 8.5V |
| Undervoltage Recovery | 8.9V, Automatic recovery |
| Overvoltage Shutdown | 34V |
| Overvoltage Recovery | 32.3V, Automatic recovery |
| Input Current | Max. 50A, per pin 25A |
| No Load Current | 156mA |
| Output Characteristics (Vin=13.8V; Iout=33A, RT=25°C) | |
| Efficiency | 94% |
| Output Voltage | 13.8V |
| Output Current | 0 ~ 33A |
| Rated Power | 450W |
| Over Current Protection | 47A |
| Output Ripple and Noise | 120mV |
| Output Voltage Rise Time | 3.38ms |
| Boot Delay Time | 216ms |
| Voltage Regulation | ±1% |
| Load Regulation | ±1% |
| Protection | |
| UVP | OFF ≤ 8.5 V, ON ≥ 8.9 V; auto‑recovery |
| OVP | OFF ≥ 34 V, ON ≤ 32.3 V; auto‑recovery |
| OCP | Trips at 47 A; power‑cycle to restore output |
| SCP | Survives 2 h short-circuit; power‑cycle to restore output |
| RPP | Reverse‑input protected up to 38 V without damage |
| Mechanical | |
| Dimension | 144.1 × 95 × 41.2 mm |
| Weight | 0.8Kg |
| Mounting |
Wall-mount (standard) DIN-rail mount (optional) |
| Positive/Negative Electrode Cable (Input/Output) |
Use O- or Y-type rings; outer Ø ≤ 8.2 mm inner Ø ≥ M3.5 screw |
| Environmental and Safety | |
| EMC | CE/FCC Class A, according to EN 55032 & EN 55035 |
| Operating Temperature | -25°C ~ 70°C |
| Storage Temperature | -40°C ~ 85°C |
| Humidity | 5%~90% , non-condensing |
| Switching Frequency | 350KHz |
Order Information
RPM-450
450W 9-32V to 13.8V Buck-Boost Voltage Regulator Module for DC Systems, -25°C ~ 70°C
Accessories
DINRAIL-RPM-450
DIN Rail mount for RPM-450