Warrington Hammers aka cross peen hammers are more often used for starting small brads. They are also sometimes called Joiner's hammers. The London Pattern hammer that I showed - has a similar use.
Naturally we, as tool aficionados, would never use the cheek of a claw hammer to drive a nail. Ha Ha - there is a repeated line in the Gilbert & Sullivan operetta HMS Pinafore that asks "what never? what never ? - and the reply comes: "well hardly ever!"
For driving small tacks under radiators and toe-kicks - flooring guys sometimes use this"
or this one:
But they would most likely not work in this situation
As cr8ondt points out the PN50 or other similar ones by Senco et. al. are often reacged for - especially for framing nails.
There is also one to drive cleats:
Milwaukee sells a M12 version:
Some years ago, Ryobi and Craftsman offered what promised to be the solution to this issue:
and there was at least 1 Ridgid variant:
I'm not sure that any of these so called auto hammers work well enough to be anything more than "Father's Day Gifts"
There are also hammers that are advertised as being "side strike"