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From: "Edward Rawde" <invalid@invalid.invalid>
Newsgroups: sci.electronics.design
Subject: Re: half and full bridge chips
Date: Thu, 13 Mar 2025 11:28:45 -0400
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"john larkin" <jlArbor.com> wrote in message news:l3s5tjtkiu5mgf88ro6340cqtogi14nelg@4ax.com...
> I'm designing some products that need 48-volt half or full-bridge
> drivers. Not just gate drivers but the whole thing.
>
> We tried the TI DRV8962. It has lots of voltage and current range and
> has four half bridges, but its shoot-through power dissipation is high
> and limits its frequency to about 200 KHz.
>
> We found the STSPIN958.

"Maximum output current up to 5 Arms"?
Has to be a misspelling of Amps I thought.
But table 2.1 does imply Amps rms.

It's been a while since I used Si9978. No surprise it's obsolete now.

> What a goofy part number. One of my software
> guys wants to play with hardware so we got two eval boards, assuming
> he'd blow one up learning. His rig is a nightmare and he's shorted all
> sorts of things but it won't blow up. It looks really nice and could
> be an audio amp or a servo driver or a TEC driver. It's rated for 500
> KHz but he ran it at 1 MHz and it just gets a bit warmer.
>
> The slew rate control and adjustable current limit are slick.
>
> The data sheet is horrible and the eval board is very weird.
>
> Why do some europeans put their data sheets in strange order, like the
> table of contents somewhere near the end?
>