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Old 25th December 2008, 07:17 PM   #1
TechGuy is offline TechGuy  United States
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Default Full Bridge PWM controller w/ Integrated Gate Drvrs

I am looking for a Full H-Bridge PWM controller that includes gate drivers to minimize PCB real estate. Does anyone know if such a controller exists? The closest I've found is IRS2453D which is a Self-oscillating H-Bridge Driver but without feedback. As an alternative a half bridge PWM controller with Integrated gate drivers would also work.

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Old 27th December 2008, 08:56 AM   #2
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Look at ST's L6598 is only half bridge but it does have integrate drivers.
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Old 2nd January 2009, 09:38 PM   #3
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Thanks for the tip! That might work fine.
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Old 8th January 2009, 01:30 PM   #4
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I asked a tech-rep from Motorola a while back about this (before the OnSemi spin-off): Is there a PWM with an integrated floating driver for the high-side switch? Answer was not at that time, nor any plans to do so. The only chip I ever dsaw with SMPS control and the driver chip together was either a ZVS or ZCS chip and I can't remember the mfr. OnSemi's new line of high-voltage driver ICs look interesting. O, if only they would get back into making high-voltage (400Vdss+) MOSFETs!

Cheers,

Steve
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