Features

 Digital controller assisted with high performance analog front ends with a fully programmable ARM®

CortexTM –M0 Processor

 PMBus compliant with rev 1.3.1 (March 2015) with AVSBus serial interface

− Output voltage control

− Query voltage, current, temperature faults

− Fault Response

− Maximum supported bus speed 1 MHz

− Supports 1.8/3.3 V operation

 AVSBus

− Supports 1.2V/1.8V operation

− Supports clock frequencies up to 25MHz

 Output voltage regulation range

− 0.05 V to 3.1 V (1 mV/step)

 Digitally controlled phasing for full flexibility in both loop configuration and phase firing order

 Configurable autonomous phase add/drop

 Automatic phase detection at start-up

 Supports start-up into pre-bias voltage

 Integrated power stage current sense

 Differential output voltage sense

 Fast current balancing with current-mode control

 Digitally programmable PID (Proportional, Integral, Differential) loop compensation

 Digitally programmable load line slope and offset

 Digital temperature compensation

 Extensive fault detection and protection capability

− IUVP, OUVP & OOVP (fixed and tracking)

− OCP instantaneous & averaged (total current)

− Multiple OTP thresholds

− Peak phase current pulse limiting

− Negative current limit protection

 Internal non-volatile memory (NVM) to store multiple custom configurations

 RoHS compliant and Halogen free 56-lead QFN plastic package