4.5V to 16V input, 3A/2A output dual buck converter with an USB switch 28-VQFN -40 to 85
Texas Instruments
Texas Instruments - TPS65252RHDR
$1.25 - $9.21
Texas Instruments - TPS65252
Texas Instruments - TPS65252RHDT
$2.20 - $4.10
Texas Instruments - TPS65252 HD
$1.75