Part Number: DRV8432
Hello,
I'm upgrading a hand-made TEC driver and want to get some features/minituarization from purpose-built ICs.
We're looking at 15V-24V and 6-10A. 24V / 15A would cover pretty much everything, and 15V/6A covers over half of the usecases.
It appears the motor driver ICs are more suited for this. Is there a buck-boost / sepic / cuk controller or something that can accomplish a similar effect?
It seems DRV8432, DRV8412, are my best options as they have external FETs and are thus more easily scalable in power. All the others seem to have integrated FETs at around 10-12A max.
Are there any with built-in PID?
Is there any other feature I'm overlooking? This is basically a buck-converter on one side of the bridge and a switch HI/LO on the other side. Anything with independent controls of the H-Bridge should work.
What do I really gain from these "specialized" driver ICs in my TEC application, that I won't get from just using, eg. , a pair of LM5106/LM5109. Aside from the fault detection and EMI features, the actual power conversion features are just dead-time control and current sensing, as far as I could learn.
Finally, are there any of these types of ICs that are in high-volume production, and at low risk of EOL / stock-issues / etc.?
Thank you for your help. I've been reading up on these ICs today and have a lot of data to parse through. I appreciate any help I get.
-Romeo