ADM1272

Data Sheet High Voltage Positive Hot Swap Controller and Digital Power Monitor with PMBus ADM1272 FEATURES Controls supply voltages from 16 V to 80 V (absolute maximum 120 V) High voltage (80 V) IPC-9592 compliant packaging <500 ns response time to short circuit FET energy monitoring for adaptable FET SOA protection Gate boost mode for fast recovery from OC transients Programmable random start mode to stagger power-on FET fault detection Remote temperature sensing with programmable warning and shutdown thresholds Programmable 2.5 mV to 30 mV system current-limit setting range ±0.85% accurate current measurement with 12-bit ADC ILOAD, VIN, VOUT, temperature, power, and energy telemetry Programmable start-up current limit Programmable linear output voltage soft start 1% accurate UV and OV thresholds Programmable hot swap restart function 2 programmable GPIO pins Reports power and energy consumption Peak detect registers for current, voltage, and power PMBus fast mode compliant interface 48-lead 7 mm × 8 mm LFCSP APPLICATIONS 48 V/54 V systems Servers Power monitoring and control/power budgeting Central office equipment Telecommunication and data communication equipment Industrial applications GENERAL DESCRIPTION The ADM1272 is a hot swap controller that allows a circuit board to be removed from or inserted into a live backplane. It also features current, voltage, and power readback via an integrated 12-bit analog-to-digital converter (ADC), accessed using a PMBus™ interface. ...