# UCD3138A Highly-Integrated Digital Controller for Isolated Power

## Device Overview
️· Features: Digital control of up to 3 independent feedback loops, soft-start/stop, fast input voltage feed forward, synchronous rectifier dead-time optimization, up to 16MHz EADC, up to 8 DPWM outputs, configurable PWM edge movement, configurable feedback control, fast automatic mode switching, high efficiency/light load management, primary-side voltage sensing, copper trace current sensing, current share bus support, feature-rich fault protection, synchronization of DPWM waveforms, 14-channel ADC, internal temperature sensor, 32-bit ARM processor, communication peripherals, timer capture, watchdog, and ICP9592A T/C qualification.
️· Applications: Power supplies, telecom rectifiers, and power factor correction.
️· Description: A fully programmable digital power supply controller offering superior integration and performance for various power conversion applications. Simplifies development with application firmware, Code Composer Studio, and a GUI for configuration and monitoring.

## Detailed Description
️· Digital Power Peripherals (DPPs): Implement high-speed digital control loops with dedicated EADC, PID-based compensators, and DPWM outputs.
️· Key Peripherals: Includes timers, interrupt control, PMBus, UART, and a 32-bit ARM processor for real-time monitoring and communication.
️· Enhanced Features: Offers light load burst mode, synchronous rectification, automatic mode switching, input voltage feed forward, copper trace current sensing, and support for various control schemes and topologies.

## Specifications
️· Operating Temperature: -40°C to +125°C
️· Package Options: 64-Pin VQFN, 40-Pin WQFN
️· Flash Memory: 32KB Program, 2KB Data
️· RAM: 4KB
️· DPWM Switching Frequency: Up to 2MHz
️· ADC Resolution: 12-bit, 267ksps
️· Communication: PMBus, UART

## Pin Configuration
️· Key Pins: AGND, AD13, AD12, AD10, AD07, AD06, AD04, AD03, V33DIO, DGND, RESET, SCI_RX0, SCI_TX0, PMBUS_CLK, PMBUS_DATA, DPWM0A, DPWM0B, DPWM1A, DPWM1B, and more.
️· Package: Available in 64-Pin VQFN and 40-Pin WQFN packages for flexible design options.