Description

Digital Controller for Power Supply Applications with PMBus Interface Features: −40°C to +125°C operation with EEPROM data retention of 15 years at 125°C PMBus Revision 1.2 compliant 32-bit password protection with command masking 64 address selections (16 base addresses, expandable to 64) 6 PWM control signals, 625 ps resolution Duty cycle double update rate Digital control loop (PID + additional pole or zero configurability) Programmable loop filters (CCM, DCM, low/normal temperature) Frequency synchronization Soft start and soft stop functionality Average and peak constant current mode External PN junction temperature sensing 4 GPIOs (2 GPIOs configurable as active clamp snubber PWMs) Fast line voltage feedforward Adaptive dead time compensation for improved efficiency Extended black box data recorder for fault recording See datasheet for additional features