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13 Device and Documentation Support

13.1 Device Support

13.1.1 Code Composer Studio

TI offers the Code Composer Studio™ Integrated Development Environment (IDE): including Editor C/C++/

Assembly Code Generation, and Debug. The tool's support documentation is electronically available within the

Code Composer Studio™ Integrated Development Environment (IDE).

13.1.2 Tools and Documentation

Device programming, real time debug and monitoring/configuration of key device parameters for certain power

topologies are all available through Texas Instruments’ Fusion Digital Power Studio Graphical User Interface

(https://www.ti.com/tool/FUSION-DIGITAL-POWER-STUDIO).

The Fusion Digital Power Studio software application uses the PMBus protocol to communicate with the device

over a serial bus using an interface adaptor known as the USB-TO-GPIO, available as an EVM from Texas

Instruments (http://www.ti.com/tool/usb-to-gpio). PMBUS-based real-time debug capability is available through

the ‘Memory Debugger’ tool within the Device GUI module of the Fusion Digital Power Studio GUI, which

represents a powerful alternative over traditional JTAG-based approaches.

The software application can also be used to program the devices, with a version of the tool known as Fusion

Production Tool optimized for manufacturing environments (https://www.ti.com/tool/FUSION-PRODUCTION-

GUI). The Fusion Production Tool supports multiple devices on a board, and includes built-in logging and

reporting capabilities.

In terms of reference documentation, the following programmer’s manuals are available offering detailed

information regarding the application and usage of UCD3138 digital controller:

1. UCD3138 Technical Reference Manual - Key topics covered in this manual include:

• Digital Pulse Width Modulator (DPWM)

– Modes of Operation (Normal/Multi/Phase-shift/Resonant etc)

– Automatic Mode Switching

– DPWMC, Edge Generation & Intra-Mux

• Front End

– Analog Front End

– Error ADC or EADC

– Front End DAC

– Ramp Module

– Successive Approximation Register Module

• Filter

– Filter Math

• Loop Mux

– Analog Peak Current Mode

– Constant Current/Constant Power (CCCP)

– Automatic Cycle Adjustment

• Fault Mux

– Analog Comparators

– Digital Comparators

– Fault Pin functions

– DPWM Fault Action

– Ideal Diode Emulation (IDE), DCM Detection

– Oscillator Failure Detection

• ADC12

– Control, Conversion, Sequencing & Averaging

– Digital Comparators

– Temperature Sensor

– PMBUS Addressing

UCD3138

SLUSAP2J – MARCH 2012 – REVISED NOVEMBER 2021

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