SMH4804 Overview
Description
The SMH4804 is a user-programmable -48V power supply controller designed to control the hot-swapping of plug-in cards and to sequence supplies in a distributed power environment. The SMH4804 drives an external power MOSFET switch that connects the bus side supply to the card side load and controls in-rush current while providing both current regulation and over-current protection.
Key Features
- Soft Starts Main Power Supply on Card Insertion or System Power Up
- In-Rush Current Limiting
- Master Enable to Allow System Control of Power Up or Down
- Programmable Independent Control of up to 4 DC/DC Converters via 4 Power Good Signals, PG[4:1]#
- Programmable Host Voltage Fault Monitoring – Programmable UV/OV Filter and UV Hysteresis
