特性 Features

? Digital controller assisted high performance analog front ends with a fully programmable ARM? CortexTM –

M0 Processor

? Compliant with AMD? SVI3 Rev 2.0 dc-dc converter specification

? Compliant with PMBus rev 1.3 compliant serial interface

? Query voltage, current, temperature faults

? Fault Response

? Maximum supported bus speed 1 MHz

? Support 1.8/3.3 V operation

? Output voltage regulation range

? 0.25 V to 2.8 V (5 mV/step)

? Programmable to support either one or two fully digitally controlled voltage loops in different phase

confugurations: 12+0, 11+1, 10+2, … ,6+6 phases

? Flexible PWM phase order and Phase Mapping

? 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

? Digital current balancing

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

? Digitally programmable loadline slope and offset

? Digital temperature compensation

? Input (+12 V) voltage and current sense

? Extensive fault detection and protection capability

? Intelligent fault detection with Infineon Power Stages

? 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 48-lead QFN plastic package