UCD3138064A

Product Folder Order Now Technical Documents Tools & Software Support & Community UCD3138064A SLUSCA5B – DECEMBER 2015 – REVISED JANUARY 2017 UCD3138064A Highly Integrated Digital Controller for Isolated Power 1 Device Overview 1.1 Features 1 64 kB Program Flash Derivative of UCD3138 Family – 2-32 kB Program Flash Memory Banks – Supports Execution From 1 Bank, While Programming Another – Capability to Update Firmware Without Shutting Down the Power Supply – Additional Communication Ports Compared to the UCD3138 (+1 SPI, +1 I2C) – Pin-to-Pin Compatible with UCD3138 (SLUSAP2B) Digital Control of up to 3 Independent Feedback Loops – Dedicated PID Based Hardware – 2-pole/2-zero Configurable – Non-Linear Control Soft Start / Stop with and without Prebias Fast Input Voltage Feed Forward Hardware Synchronous Rectifier Dead Time Optimization Peripheral to Use with UCD7138 Synchronous Rectifier Driver Up to 16 MHz Error A/D Converter (EADC) – Configurable Resolution as Small as 1 mV/LSB – Up to 8x Oversampling – Hardware Based Averaging (Up to 8x) – 14 bit Effective DAC With 4 Bits of Dither – Adaptive Trigger Positioning Up to 8 High Resolution Digital Pulse Width Modulated (DPWM) Outputs – 250 ps Pulse Width Resolution – 4 ns Frequency and Phase Resolution – Adjustable Phase Shift Between Outputs – Adjustable Dead-band Between Pairs – Cycle-by-Cycle Duty Cycle Matching – Up to 2 MHz Switching Frequency Configurable Trailing/Leading/Triangular Modulation Conf...