The MAX17561/2/3 devices are the best replacements for the obsolete MAX14588. The main difference between the devices is the selectable fault response mode feature is not available in the MAX17561/2/3 devices. The MAX17561 has an Auto Retry fault response, the MAX17562 has a Latchoff fault repsonse and the MAX17563 has a Continuous fault response. Where in the MAX14588 you can choose from these 3 fault responses via the CLTS pins, this is not possible with the MAX17561/2/3 devices. Apart from this the devices have the same functionality and the recommended devices have lower Rds(on) resistance (100mOhm) and a higher current limit maximum (4.2A).