ADM1075

Data Sheet −48 V Hot Swap Controller and Digital Power Monitor with PMBus Interface ADM1075 FEATURES Constant power foldback for FET SOA protection Precision (<1.0%) current and voltage measurement Controls inrush and faults for negative supply voltages Suitable for wide input range due to internal shunt regulator 25 mV/50 mV full-scale sense voltage Fine tune current limit to allow use of standard sense resistor Soft start inrush current limit profiling 1% accurate UVH and OV pins, 1.5% accurate UVL pin PMBus/I2C interface for control, telemetry, and fault recording 28-lead LFCSP and TSSOP −40°C to 105°C junction temperature (TJ) operating range APPLICATIONS Telecommunication and data communication equipment Central office switching −48 V distributed power systems Negative power supply control High availability servers PRODUCT HIGHLIGHTS 1. Constant Power Foldback. Maximum FET power set by a PLIM resistor divider. This eases complexity when designing to maintain FET SOA. 2....