Ericsson BMR456 series

    Digital 1/4 Brick 315-468W

    The BMR456 power modules feature unprecedented output characteristics including tight regulation, a wide output range ready to power dynamic bus architectures, high efficiency flat curve from low-load to high-load and built-in Ericsson DC/DC Energy Optimizer.

    Key Features

    This series builds on new technology and adds benefits such as an optional communication interface (PMBus). Available with optional baseplate.

    Input: 36-75 V, 40-60V
    Output:  Adjustable Vout range 4 – 13.2 V
    Output Power: up to 39 A / 468 W

    • Advanced Bus Converter Industry-standard Quarter-brick with digital PMBus Interface
    • Architects of Modern Power™ ABC-qbAMP™ Compliant
    • PMBus Revision 1.2 compliant
    • Optional industry standard 5-pins for intermediate bus architectures
    • Industry-leading Power Density for Telco and ICT … 126-140A / sq. in
    • Ericsson DC/DC Energy Optimizer built-in
    • High efficiency, typ. 96.4% at half load, 12 Vout
    • Fully regulated Advanced Bus Converter from 36-75 V
    • +/- 2% output voltage tolerance band over entire Vin range 36-75V
    • Fast Feed forward regulation to manage line transients
    • Low Profile with max height 11.3 mm (0.445 in)
    • Optional Baseplate for high temperature applications
    • Droop Load Sharing for 10% tolerance over entire Vin range36 - 75V
    • High capacitive load solution available
    • 2250Vdc input to output isolation
    • 2.9 Million hours MTBF

    Product Program

    36-75 V Input:

    Vout (V)Iout (A)Pout (W)Part No 
    935315BMR456 0004/004 
    1235420BMR456 0004/001 
    1235420BMR456 0004/018High Capacitive Load
    up to 15mF
    1235400BMR456 0007/013Droop Load Sharing
    12.4535415BMR456 0007/014Droop Load Sharing


    36/40-60 V Input:

    Vout (V)Iout (A)Pout (W)Part No 
    939351BMR456 0000/003 
    1239468BMR456 0000/002 
    1239445BMR456 0011/016Droop Load Sharing
    12.4539462BMR456 0011/017Droop Load Sharing


    Mechanical Data

    Size (LxWxH):

    57.9 x 36.8 x 11.3 mm (2.28 x 1.45 x 0.445 in)