This datasheet introduces the characteristics and features of the SMH4811A product, including power supply range, card insertion detection support, control power on, host voltage monitoring, undervoltage and overvoltage detection, programmable UV filter, programmable power good delay, programmable circuit breaker function, programmable overcurrent filter, programmable quick-trip circuit breaker values, 2.5V and 5.0V reference outputs, and external monitor function expansion.