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sawickm · 11-05-2010, 12:06 PM

DC/DC Power ???

In reading this thread about the new "Driver PCB" I have some questions.

From what I understand the Powerex VLA500-01 is a combined Gate Driver & DC/DC Converter. The VLA500-01 Gate Driver has up to 12 Amps of drive current, similar to the Micrel MIC4451 now being used on the ReVolt. The only difference is the VLA500-01 has an on-board DC/DC converter replacing the EC4A DC/DC converter on the ReVolt now.

This is my question, do you still need a regulated +5V & +15V to run the VLA500-01? If you do an additional multiple output regulated power supply would be needed to run those VLA500-01 too right?

Could the Micrel MIC4451, and a Simple Isolated Switcher Supply be used instead of the VLA500-01 ? The Simple Isolated Switcher Supply would use an un-regulated +12V Battery (Vin) and output +15V (Vcc) and -8V(Vee)?

National Semiconductor has a whole series of Simple Switcher - DC/DC Converters.

-Mark

11-05-2010, 12:06 PM	#3958 (permalink)
sawickm ReVolt Enthusiast Join Date: Jun 2009 Location: Michigan, USA Posts: 239 Thanks: 98 Thanked 47 Times in 40 Posts	DC/DC Power ??? In reading this thread about the new "Driver PCB" I have some questions. From what I understand the Powerex VLA500-01 is a combined Gate Driver & DC/DC Converter. The VLA500-01 Gate Driver has up to 12 Amps of drive current, similar to the Micrel MIC4451 now being used on the ReVolt. The only difference is the VLA500-01 has an on-board DC/DC converter replacing the EC4A DC/DC converter on the ReVolt now. This is my question, do you still need a regulated +5V & +15V to run the VLA500-01? If you do an additional multiple output regulated power supply would be needed to run those VLA500-01 too right? Could the Micrel MIC4451, and a Simple Isolated Switcher Supply be used instead of the VLA500-01 ? The Simple Isolated Switcher Supply would use an un-regulated +12V Battery (Vin) and output +15V (Vcc) and -8V(Vee)? National Semiconductor has a whole series of Simple Switcher - DC/DC Converters. -Mark Last edited by sawickm; 11-05-2010 at 12:14 PM..