UCD3138RHAR datasheet(59/78 Pages) TI1

59 / 78 page

UCD3138

www.ti.com

SLUSAP2F – MARCH 2012 – REVISED NOVEMBER 2013

Tools and Documentation

The application firmware for UCD3138 is developed on Texas Instruments Code Composer Studio (CCS)

integrated development environment (v3.3 recommended).

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_DESIGNER

Graphical User Interface (http://www.ti.com/tool/fusion_digital_power_designer).

The

FUSION_DIGITAL_POWER_DESIGNER

software

application

uses

the

PMBus

protocol

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_DESIGNER 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_MFR_GUI optimized for manufacturing environments (http://www.ti.com/tool/fusion_mfr_gui).

The FUSION_MFR_GUI tool supports multiple devices on a board, and includes built-in logging and

reporting capabilities.

In terms of reference documentation, the following 3 programmer’s manuals are available offering detailed

information regarding the application and usage of UCD3138 digital controller:

1. UCD3138 Digital Power Peripheral Programmer's 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

–

2. UCD3138 Monitoring and Communications Programmer’s Manual

Key topics covered in this manual include:

–

ADC12

–

Control, Conversion, Sequencing & Averaging

–

Digital Comparators

–

Temperature Sensor

–

PMBUS Addressing

–

Dual Sample & Hold

Tools and Documentation

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