Digital 40-Amp 132-Watt Pol DC-DC converter
Use of the PMBus interface gives added power management features. By interfacing the OKD converter to the system’s I²C bus, a systems engineer can monitor critical system-level performance requirements that include Vin, Iin, Vout, Iout, and operating temperature. The PMBus can also be used to set warning flags for temperature, Vin, Vout, and Iout, and allows the user to customise parameters such as Vout, Vin turn on/off thresholds, output over voltage protection, output current limit, and ramp up characteristics.
Converter design features include digital current sharing (full power, no derating), non-linear transient response, optimised dead time control, synchronisation, and phase spreading. Accepting input in the range 4.5 to 14 VDC, the output voltage is programmable from 0.6 to 3.3 VDC. A GUI (Graphical User Interface) can be provided to assist the power engineer in designing a state-of-the-art power system.
Murata Power Solutions; www.murata.eu
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