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Evaluation Board, RAA210850 DC/DC Converter, Step Down, 50A, PMBus, ChargeMode


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Evaluation board for pin-strap configurable 50A step-down PMBus-compliant DC/DC power supply module. This EVB is a 8-layer FR4 board with 2oz. copper on all layers. It measures 4.7in x 4.8in. The board includes placeholders for the pin-strap resistor population that allow for the adjustment of the output voltage, switching frequency, soft-start/stop timing, input UVLO, ASCR (gain and residual) parameters and the device PMBus address. Also, fault limits can be programmed or changed easily with the PMBus compliant serial bus interface. The RAA210850 uses a ChargeMode™ control (ASCR) architecture that responds to a transient load within a single switching cycle. Provided with the evaluation kit, the ZLUSBEVAL3Z (a USB to PMBus adapter) connects the evaluation board with a PC to activate the PMBus communication interface. The PMBus command set is accessed by using the PowerNavigator™ evaluation software from a PC running Microsoft Windows.
  • VIN range of 4.5V to 14V, VOUT adjustable from 0.6V to 5V
  • Programmable VOUT, input and output UVP/OVP, OTP/UTP, soft-start/stop and external synchronization
  • Monitor VIN, VOUT, IOUT, temperature, duty cycle, switching frequency and faults
  • Board can output a continuous current at 50A without airflow or heat sink
  • Mechanical switch for enable and a power-good LED indicator
  • Used at server, telecom, storages and datacom applications
  • Industrial/ATE and networking equipment
  • Used at general purpose power for ASIC, FPGA, DSP and memory applications


Evaluation board RAA210850, ZLUSBEVAL3Z adapter, USB cable.


Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.


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Power Management

Step-Down (Buck) Module

Eval Board RAA210850, ZLUSBEVAL3Z Adapter, USB Cable

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