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DS2900 Distributed Power Front-End

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  • Total Max Power: 2,900
  • Total Max Current: 240 A
  • Input Voltage: 180 V to 264 V
  • Output Voltage: 10.8 V to 13.2 V 
  • Outputs: Single
  • Size (L x W x H): 8.540" x 4.170" x 3.070"
  • Warranty: 2 years
  • Operating Temperature:  0 to +50 deg C

    The DS2900 series is a 2900 Watt High Efficiency High Density bulk front end for use in computing, storage and Datacom applications. This High Power product is equipped with all the latest advancements in Digital Technology utilizing both primary and secondary DSP's for total control flexibility. With the AC and DC on the same side the DS2900 is set up for "glitch free" blind mate hot plug applications. Communication to user system is conveniently accomplished over an I2C serial bus using PMBus protocol.

    Features
    • Active Power Factor Correction
    • Active AC inrush control
    • Fits in a 2U x 3U form factor
    • Built in Standby voltage
    • Hot Plug Operation
    • Internal OR'ing FET's
    • Active Current Sharing
    • I2C communication interface bus
    • PMBus Compliant
    • Smart Fan Control
    • Full Digital Control through Emerson's Universal PMBus GUI
    Electrical Specifications

    Input

    • Efficiency: >91 at nominal line 50% load
    • Inrush Current: 50 Apk Max
    • Power Factor: 0.99 Typical
    • Leakage Current: 1.40 mA @ 240 VAC
    • Conducted and Radiated EMI: FCC Subpart J EN55022 Class A
    • Input Range: 180-264 VAC
    • Hold-up Time: 12 mSec min.

    Output

    • Undervoltage: 9-10.8 on Main 12 V output only
    • Overvoltage: 110%-130% of nominal on both outputs
    • Overcurrent: Constant Current type on Main and Stby
    • Regulation: +/-4% on Main; +/-5% on Stand-By
    • Rise Time: 5-300 mSec, monotonic rise
    • Adjustment Range: +/-10% on Main output using I2C
    • Stand-By Voltage: 3.3 VDC @ 3 A (5 VDC available)
    • Main DC Voltage: 12 VDC @ 240 A

    Logic Control

    • Supply Present (PRESENT#): Pin connected to ground when inserted
    • Power Good (PWOK#): Active Low when both outputs are in Reg
    • Remote ON/OFF (PSON#): Active Low turns ON the 12V output

    Isolation

    • AC Input Present (ACOK#): Active Low when AC input is OK
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    Product Downloads
    Brochures and Data Sheets
    DS2900 Data Sheet
     
    Technical Specifications
    DS2900 Series
    DS2900-3