Features and Benefits

  • 6V to 54V Input Range
  • Output Rails: VOUT: 3.3V/20A
  • 350kHz Switching Frequency
  • Independent Enable Inputs
  • Independent Adjustable Soft-Start Time
  • Configurable Tracking Operation
  • Selectable PWM/DCM Modes of Operation
  • Selectable 180° Out-of-Phase/0° In-Phase Operation
  • Selectable Current-Limit Threshold
  • Independent PGOOD Outputs
  • Overcurrent, Overvoltage, and Overtemperature Protection
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17558 dual-phase EV kit provides a proven design to evaluate the MAX17558 wide 4.5V to 60V input, dual-phase, synchronous step-down DC-DC controller. In 2-phase operation, the two channels of the MAX17558 are operated 180° out of phase. This interleaves the current pulses drawn by the 2 phases, and results in reduced total RMS input current, which allows use of lesser number of input capacitors. The EV kit provides 3.3V/20A at the outputs from a 6V to 54V input supply. The switching frequency of the EV kit is preset to 350kHz for optimal efficiency and component size. The EV kit features adjustable input undervoltage-lockout and soft-start time, selectable PWM/DCM modes, 180° out-of-phase/0° inphase operation, current-limit threshold, and independent open-drain PGOOD signals.


  • Computerized Numerical Control
  • Distributed DC Power Systems
  • Industrial Power Supplies
  • Motion Control
  • Programmable Logic Controllers

Applicable Parts