BCM6123T60E15A3T0R - 1755W Isolated BCM Bus Converter 36-60V to 13.5V | Vicor
MPN: BCM6123T60E15A3T0R ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $175 | $175.00 |
| 10 | $165.5 | $1,655.00 |
| 100 | $152 | $15,200.00 |
| 500 | $142.75 | $71,375.00 |
| 1,000 | $135 | $135,000.00 |
BCM6123T60E15A3T0R Overview
A bus converter module is a specialized isolated DC-DC converter used as a building block in distributed power systems: it accepts a higher distribution voltage and produces a lower intermediate bus voltage that downstream POL (point-of-load) regulators can further step down to the voltages required by logic, memory, processors, or analog circuitry. BCM devices sit in the hierarchy of DC-DC converters, alongside isolated brick converters, but are distinguished by their fixed transformation ratio, low profile, and exceptionally high power density. The BCM6123T60E15A3T0R operates at 97.4% peak efficiency and reaches up to 2867 W/in³ power density, enabling compact, high-current 48 V intermediate bus designs.
Key features include OV, OC, UV, short-circuit and thermal protection, parallel operation capability for multi-kW arrays, a SAC (Sinusoidal Amplitude Converter) topology that produces low-noise switched waveforms, and a digital interface variant option in the closely related BCM6123T60E15A3T01. The through-hole ChiP form factor allows robust board-mount assembly and effective thermal coupling to internal heat spreaders for high-current applications.
This device is particularly well-suited to data center, telecom, and industrial 48 V power architectures where high step-down ratios, high efficiency, and small footprint are required. When designing with BCM converters, designers typically pair them with Vicor's PRM (Pre-Regulator Module) or ZVS buck regulators downstream to establish a Factorized Power Architecture. Adequate cooling is essential: at 130 A output, thermal design must account for 2867 W/in³ power density losses, and Vicor provides heatsink and cold-plate accessories for the 6123 ChiP family.
Drop-in alternatives for BCM6123T60E15A3T0R — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
BCM6123T60E15A3T01
✅ Drop-In📋 Reference alternative (not in catalog)
BCM6123T60E15A3T00
✅ Drop-In📋 Reference alternative (not in catalog)
BCM6123T60E15A3T0R Maximum Ratings & Electrical Characteristics
| Topology | BCM (Bus Converter Module) - Isolated, fixed ratio K=1/4 |
| Manufacturer | Vicor |
| Series | BCM6123 ChiP Bus Converter |
| Input Voltage Range | 36 V to 60 V |
| Output Voltage | 13.5 V (nominal, K=1/4) |
| Output Current (Continuous) | 130 A secondary |
| Peak Efficiency | 97.4 % |
| Power Density | 2867 W/in³ |
| Isolation Voltage | 2250 VDC |
| Package | 6123 ChiP, Through-Hole (TH) |
| Protection Features | OV, OC, UV, short circuit, thermal |
| Parallel Operation | Yes - supported for multi-kW arrays |
| Control Interface | Analog (BCM6123T60E15A3T0R); Digital variant T01 |
| Compliance | RoHS compliant per Vicor product page |
BCM6123T60E15A3T0R 6123 chip, through-hole (th) Pin Configuration Guide
Pin configuration for BCM6123T60E15A3T0R (6123 chip, through-hole (th) package). This power device features gate, drain, and source terminals. For non-polarized packages, refer to the manufacturer datasheet for exact pin 1 orientation and footprint details. Common applications include power supply design, motor driving, and load switching.
No detailed pinout data available for BCM6123T60E15A3T0R.
Refer to the datasheet for full pin configuration.
Typical Applications
BCM6123T60E15A3T0R is suitable for 6 applications: 48V Telecom Intermediate Bus, Data Center 48V to 12V Bus Conversion, Industrial 48V Battery-Backed Systems, High-Performance Computing GPU Power, Aerospace Avionics 28V/48V Conversion, Battery Energy Storage Systems.
48V Telecom Intermediate Bus
The BCM6123T60E15A3T0R's 36-60 V input and K=1/4 fixed-ratio transformation make it ideal for 48V telecom intermediate bus applications. Drawing from 97.4% peak efficiency and 2250 VDC isolation per the Vicor datasheet, it converts -48V plant voltage to a 12V/13.5V intermediate rail that downstream POL converters can further step down to logic-level voltages. Placed at the card-cage entry point feeding a PRM+VTM pair, it eliminates the bulky 24:1 intermediate stage in classic intermediate-bus architectures while delivering up to 130 A continuous with OV/OC/UV/short-circuit/thermal protection. The ChiP through-hole package simplifies heatsinking to the chassis, supporting deployment in ATCA and proprietary telecom backplane systems.
Recommended
Data Center 48V to 12V Bus Conversion
In modern data center power architectures that distribute 48V to server racks to reduce I²R losses, the BCM6123T60E15A3T0R provides the central bus conversion step from 48V distribution down to 12V at 130 A per Vicor's 97.4% peak efficiency figure. Fixed-ratio conversion eliminates the bulk output capacitors required by regulated converters, allowing compact, dense server motherboard designs with high power per cubic inch. The 2867 W/in³ power density supports >1755 W from a single 6123 ChiP module, minimizing board real estate while preserving compatibility with parallel multi-module arrays for higher-tier server CPUs.
Recommended
Industrial 48V Battery-Backed Systems
Industrial automation and battery-backed control cabinets often operate from a 48V (or higher) DC bus with substantial transient swing. The BCM6123T60E15A3T0R tolerates the 36-60 V input envelope per Vicor specifications, drawing upon 2250 VDC isolation to provide safe separation between field wiring and low-voltage control electronics. In a 130 A application paired with bulk electrolytic hold-up capacitance, it converts the 48V plant voltage to a 13.5V intermediate rail feeding PLCs, motor drivers, and instrumentation, with integrated protections ensuring graceful shutdown during battery discharge events.
Recommended
High-Performance Computing GPU Power
AI accelerator modules and HPC GPU cards requiring >1500 W from a single board benefit from the BCM6123T60E15A3T0R's 130 A output at 13.5 V per the Vicor datasheet. K=1/4 fixed-ratio conversion from a 48V rack bus delivers power with 97.4% efficiency, reducing thermal load versus conventional 12V alternative-current architectures common in older GPU sleds. The 2867 W/in³ power density allows the front-end bus conversion stage to fit adjacent to the GPU cluster, minimizing distribution losses from main bus to POL converters serving the GPU core voltage rails.
Recommended
Aerospace Avionics 28V/48V Conversion
Modern avionics platforms transitioning to higher-voltage distribution (e.g., 270V HVDC or 48V sub-buses) require rugged isolated bus conversion - the BCM6123T60E15A3T0R's 36-60V input accommodates 48V sub-bus operation per Vicor specifications. The 2250 VDC isolation exceeds typical avionics safety barriers, and the BCM6123 ChiP through-hole package withstands vibration environments better than surface-mount alternatives. A single module delivering 130 A at 13.5V can power avionics displays, mission computers, and communication subsystems when paralleled for higher availability.
Recommended
Battery Energy Storage Systems
Battery Energy Storage Systems (BESS) with 48V battery packs benefit from the BCM6123T60E15A3T0R's wide input range (36-60V) to accommodate state-of-charge variation per Vicor specifications. The fixed K=1/4 ratio delivers 13.5V output for inverter auxiliary supplies and battery management electronics, with 130 A capability supporting large-format battery cabinets. Integrated protections (OV/OC/UV/short-circuit/thermal) safeguard the converter and downstream electronics from battery fault conditions, while 97.4% efficiency minimizes conversion losses in long-duration energy storage applications.
Recommended
Recommended Products Summary
Engineering reference data for BCM6123T60E15A3T0R — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | BCM6123T60E15A3T01 | BCM6123T60E15A3T00 |
|---|---|---|---|
| Brand | Vicor | Vicor | Vicor |
| Package | 6123 ChiP (Through-Hole) | 6123 ChiP (Through-Hole) - same | 6123 ChiP (Through-Hole) - same |
| Input Voltage Range | 36 V to 60 V | 36 V to 60 V | 36 V to 60 V |
| Output Voltage | 13.5 V nominal (K=1/4) | 13.5 V nominal (K=1/4) | 13.5 V nominal (K=1/4) |
| Output Current (Continuous) | 130 A | 130 A | 130 A |
| Peak Efficiency | 97.4 % | 97.4 % | 97.4 % |
| Isolation Voltage | 2250 VDC | 2250 VDC | 2250 VDC |
| Parallel Operation | Yes | Yes | Yes |
Key Differentiators
- Analog interface reduces BOM and firmware overhead (vs BCM6123T60E15A3T01)
- Vicor 6123 ChiP package leadership (vs BCM6123T60E15A3T00)
- Highest power density in BCM6123 family (vs BCM6123T60E15A3T01)
Design Notes
The BCM6123 ChiP module reaches 2867 W/in³ power density per Vicor's datasheet, which means thermal design is critical at the rated 130 A continuous output. The through-hole package enables direct board-cooling strategies including bottom-side cold plates, heat-spreading copper pours, or dedicated ChiP heatsink accessories. Without adequate cooling, junction temperatures can rise sharply under sustained high-current operation, reducing MTBF. Follow Vicor's heatsink selection guidance for the 6123 ChiP family to maintain junction temperatures within safe limits.
Mount the BCM6123T60E15A3T0R on a high-layer-count PCB (8 or more layers recommended) with substantial inner copper planes for both power delivery and heat spreading. The through-hole pin termination benefits from reinforced plating barrels to handle the high secondary-side currents (130 A). Keep input/output loop areas minimal and place input capacitors immediately adjacent to the input pins to reduce high-frequency noise and ringing per Vicor BCM6123 layout guidelines.
Avoid using the BCM6123T60E15A3T0R as a regulated bus converter - it is a fixed K=1/4 ratio device whose output voltage tracks input voltage divided by 4. Per the Vicor datasheet, the output therefore varies from 9 V (at 36 V input) to 15 V (at 60 V input); use a PRM pre-regulator upstream if the downstream loads require a tightly regulated bus voltage. Also be aware that paralleling requires careful load-sharing arrangement - mixing analog and digital variants in the same array requires the digital variant's PMBus to coordinate sharing.
Compliance Information
RoHS compliance per Vicor product page. Industrial / telecom / data center use; not AEC-Q100 qualified for automotive applications. Halogen-free status not directly stated in verified sources - set to unknown.
