The ADP1055 is a flexible, feature-rich digital secondary side controller that targets ac-to-dc and isolated dc-to-dc secondary side applications. The ADP1055 is optimized for minimal component count, maximum flexibility, and minimum design time. Features include differential remote voltage sense, primary and secondary side current sense, pulse-width modulation (PWM) generation, frequency synchronization, redundant OVP, and current sharing. The control loop digital filter and compensation terms are integrated and can be programmed over the PMBus™ interface. Programmable protection features include overcurrent (OCP), overvoltage (OVP) limiting, undervoltage lockout (UVLO), and external overtemperature (OTP). The built-in EEPROM provides extensive programming of the integrated loop filter, PWM signal timing, inrush current, and soft start timing and sequencing. Reliability is improved through a built-in checksum and programmable protection circuits. A comprehensive GUI is provided for easy design of loop filter characteristics and programming of the safety features. The industry-standard PMBus provides access to the many monitoring and system test functions. The ADP1055 is available in a 32-lead LFCSP and operates from a single 3.3 V supply. APPLICATIONS * Isolated dc-to-dc power supplies and modules * Redundant power supply systems * −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) https://elecena.pl/product/5069730/digital-controller-for-power-supply-applications-with-pmb-interface 2015-03-29 https://elecena.pl/product/5069730/digital-controller-for-power-supply-applications-with-pmb-interface 2018-03-29 https://elecena.pl/product/5069730/digital-controller-for-power-supply-applications-with-pmb-interface 2025-01-21