Description

Dual Loop 8-Phase Step-Down DC/DC Controller with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Monitor Voltage, Current, Temperature and Faults Digitally Program VOUT, Margins, UV, OV, Current Limit, Soft-Start/Stop and Sequencing Expandable to >16 Phases 4.5V ≤ VIN ≤ 26.5V, 0.3V ≤ VOUT ≤ 3.45V ±0.5% Output Voltage Accuracy Programmable PWM Loop Compensation Accurate PolyPhase® Current Sharing Internal EEPROM with ECC and Fault Logging DrMOS Output Current Monitor Interface DrMOS Temperature/Fault Bus Interface DrMOS Gate Drive Supply Monitor Load Step Emulation Internal or External PWM Clock from 250kHz to 1MHz 52-Pin (5mm × 8mm) QFN Package AEC-Q100 Qualified for Automotive Applications