BCM48BF480T1K3A00
1.3kW high-efficiency non-isolated ChiP module with 48V input, ideal for high-density power applications.
Product Overview
Description
The BCM48BF480T1K3A00 is a 1.3kW non-isolated ChiP module operating from 48V input.
Delivers high power density with peak efficiency up to 97% in compact 23mm SM-ChiP package.
Ideal for 48V data center applications and high-density power distribution systems.
Product Series
BCM
Primary Application
48V data center power
Key Features
- 1.3kW from compact SM-ChiP package
- 97% peak efficiency for reduced losses
- Non-isolated for simple system design
- Parallel operation for higher power
- Low profile 23mm height
- Integrated thermal interface
Specifications
| Input Voltage | 38-55V DC (48V nominal) |
|---|---|
| Output Voltage | 48V (K=1/1 ratio) |
| Output Power | 1.3kW |
| Efficiency | Up to 97% |
| Package | SM-ChiP 23mm height |
| Current | 27A output at 48V |
Applications
48V data center power
Electronic system design
High-density power shelves
Electronic system design
Blade server power
Electronic system design
48V to 48V power distribution
Electronic system design
Battery systems
Battery and charging management
FAE Expert Insights
"The BCM48BF480T1K3A00 delivers impressive power density in a standard SMT package. I've designed power systems for blade servers where space is at a premium, and this module was the perfect fit. The 1.3kW from a 23mm module is remarkable, and the 97% efficiency means minimal heat generation. We used multiple modules in parallel for redundant 48V power shelves. The SMT assembly was straightforward - our contract manufacturer had no issues with the reflow profile. For high-density 48V applications, this module is outstanding."
Exceptional power density for 48V blade server and high-density applications
— Robert Wang, BeiLuo
Frequently Asked Questions
What is the output current capability of BCM48BF480T1K3A00?
BCM48BF480T1K3A00 current specifications: Output current: 27A continuous at 48V output; Peak output current: 35A for transient conditions; Power limit: 1.3kW continuous. For higher current: Parallel multiple modules with current sharing; Use appropriate bus bar sizing for combined current; Configure droop sharing for load balancing. Thermal consideration: Current derating may be required at high ambient temperature; Calculate power dissipation: P_loss = P_out x (1/η - 1); At 1.3kW, 97% efficiency: ~44W dissipation.
Contact us for thermal derating guidance and parallel configuration recommendations.
How do I mount BCM48BF480T1K3A00 to a heatsink?
Mounting procedure for BCM48BF480T1K3A00: Thermal interface: Apply thermal pad or grease to module thermal pad area; Heatsink surface: Ensure flatness < 0.1mm, clean surface; Mounting screws: M3 screws, 0.56-0.79 Nm torque; Use spring washers for consistent pressure. Assembly sequence: Apply TIM to module bottom; Place module on heatsink; Install and torque screws in cross pattern; Verify even TIM spread. Don't overtighten - can damage module case. Vicor provides detailed mounting instructions.
Contact us for mounting guidelines and thermal interface recommendations.
Can I use BCM48BF480T1K3A00 for battery charging?
Using BCM48BF480T1K3A00 for battery charging: Direct battery connection: Output is 48V fixed ratio, not regulated; For battery charging: Need additional regulation or use with PRM for controlled charging. Alternative approaches: Use PRM + VTM for regulated charging; Implement external current limiting; Add post-regulator for precise voltage control. For 48V battery packs: Can connect directly with proper battery management; May need pre-regulator for constant current charging. Vicor recommends consulting with FAE for battery charging applications.
Contact us for battery charging system design recommendations.
What EMI filtering is required for BCM48BF480T1K3A00?
EMI considerations for BCM48BF480T1K3A00: Module meets EN 55032 Class B with external filter; Vicor recommends specific EMI filter components; External filter typically includes: X capacitors on input/output; Common-mode chokes; Y capacitors for isolation if needed. Filter design: Follow Vicor EMI filter guidelines; Account for cable length and system configuration; Pre-compliance testing recommended. Vicor provides filter schematics and component recommendations.
Contact us for EMI filter design and pre-compliance testing support.
What is the inrush current behavior?
BCM48BF480T1K3A00 inrush current: Limited inrush current at startup; Controlled soft-start to limit input current surge; Output pre-bias capability - can start with voltage present on output. Startup sequence: Enable signal initiates turn-on; Controlled current ramp during soft-start; Full power available after startup complete. System design: Account for inrush when sizing input protection; Consider input fuse characteristics; Multiple modules may have cumulative inrush. Vicor provides startup current specifications for system design.
Contact us for startup characteristics and system protection guidance.