ZHCS429J March   2012  – November 2021 UCD3138

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用范围
  3. 3 说明
  4. 4 功能方框图
  5. 5 Revision History
  6. 6 Device Comparison Table
    1. 6.1 Product Family Comparison
    2. 6.2 Product Selection Matrix
  7. 7 Pin Configuration and Functions
    1. 7.1 UCD3138RGC 64 QFN Pin Attributes
    2. 7.2 UCD3138RHA, UCD3138RMH and UCD3138RJA Pin Attributes
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Timing and Switching Characteristics
    7. 8.7 Power Supply Sequencing
    8. 8.8 Peripherals
      1. 8.8.1 Digital Power Peripherals (DPPs)
        1. 8.8.1.1 Front End
        2. 8.8.1.2 DPWM Module
        3. 8.8.1.3 DPWM Events
        4. 8.8.1.4 High Resolution DPWM
        5. 8.8.1.5 Oversampling
        6. 8.8.1.6 DPWM Interrupt Generation
        7. 8.8.1.7 DPWM Interrupt Scaling/Range
    9. 8.9 Typical Temperature Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 ARM Processor
    3. 9.3 Memory
      1. 9.3.1 CPU Memory Map and Interrupts
      2. 9.3.2 Boot ROM
      3. 9.3.3 Customer Boot Program
      4. 9.3.4 Flash Management
    4. 9.4 System Module
      1. 9.4.1 Address Decoder (DEC)
      2. 9.4.2 Memory Management Controller (MMC)
      3. 9.4.3 System Management (SYS)
      4. 9.4.4 Central Interrupt Module (CIM)
    5. 9.5 Feature Description
      1. 9.5.1  Sync FET Ramp and IDE Calculation
      2. 9.5.2  Automatic Mode Switching
        1. 9.5.2.1 Phase Shifted Full Bridge Example
        2. 9.5.2.2 LLC Example
        3. 9.5.2.3 Mechanism for Automatic Mode Switching
      3. 9.5.3  DPWMC, Edge Generation, IntraMux
      4. 9.5.4  Filter
        1. 9.5.4.1 Loop Multiplexer
        2. 9.5.4.2 Fault Multiplexer
      5. 9.5.5  Communication Ports
        1. 9.5.5.1 SCI (UART) Serial Communication Interface
        2. 9.5.5.2 PMBUS
        3. 9.5.5.3 General Purpose ADC12
        4. 9.5.5.4 Timers
          1. 9.5.5.4.1 24-bit PWM Timer
          2. 9.5.5.4.2 16-Bit PWM Timers
          3. 9.5.5.4.3 Watchdog Timer
      6. 9.5.6  Miscellaneous Analog
      7. 9.5.7  Package ID Information
      8. 9.5.8  Brownout
      9. 9.5.9  Global I/O
      10. 9.5.10 Temperature Sensor Control
      11. 9.5.11 I/O Mux Control
      12. 9.5.12 Current Sharing Control
      13. 9.5.13 Temperature Reference
    6. 9.6 Device Functional Modes
      1. 9.6.1 Normal Mode
      2. 9.6.2 Phase Shifting
      3. 9.6.3 DPWM Multiple Output Mode
      4. 9.6.4 DPWM Resonant Mode
      5. 9.6.5 Triangular Mode
      6. 9.6.6 Leading Edge Mode
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 PCMC (Peak Current Mode Control) PSFB (Phase Shifted Full Bridge) Hardware Configuration Overview
        2. 10.2.2.2 DPWM Initialization for PSFB
        3. 10.2.2.3 DPWM Synchronization
        4. 10.2.2.4 Fixed Signals to Bridge
        5. 10.2.2.5 Dynamic Signals to Bridge
        6. 10.2.2.6 System Initialization for PCM
          1. 10.2.2.6.1 Use of Front Ends and Filters in PSFB
          2. 10.2.2.6.2 Peak Current Detection
          3. 10.2.2.6.3 Peak Current Mode (PCM)
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
    1. 11.1 Introduction To Power Supply and Layout Recommendations
    2. 11.2 3.3-V Supply Pins
    3. 11.3 Recommendation for V33 Ramp up Slew Rate for UCD3138 and UCD3138064
    4. 11.4 Recommendation for RC Time Constant of RESET Pin for UCD3138 and UCD3138064
  12. 12Layout
    1. 12.1 Layout Guidelines
      1. 12.1.1 EMI and EMC Mitigation Guidelines
      2. 12.1.2 BP18 Pin
      3. 12.1.3 Additional Bias Guidelines
      4. 12.1.4 UCD3138 Pin Connection Recommendation
        1. 12.1.4.1 Current Amplifier With EADC Connection
        2. 12.1.4.2 DPWM Synchronization
        3. 12.1.4.3 GPIOS
        4. 12.1.4.4 DPWM PINS
        5. 12.1.4.5 EAP and EAN Pins
        6. 12.1.4.6 ADC Pins
      5. 12.1.5 UART Communication Port
      6. 12.1.6 Special Considerations
    2. 12.2 Layout Example
      1. 12.2.1 UCD3138 and UCD3138064 40 Pin
      2. 12.2.2 UCD3138 and UCD3138064 64 Pin
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Code Composer Studio
      2. 13.1.2 Tools and Documentation
    2. 13.2 Documentation Support
      1. 13.2.1 References
    3. 13.3 接收文档更新通知
    4. 13.4 支持资源
    5. 13.5 Trademarks
    6. 13.6 Electrostatic Discharge Caution
    7. 13.7 术语表
  14. 14Mechanical Packaging and Orderable Information
    1. 14.1 Packaging Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

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
      • Dual Sample & Hold
    • Miscellaneous Analog Controls (Current Sharing, Brown-Out, Clock-Gating)
    • PMBUS Interface
    • General Purpose Input Output (GPIO)
    • Timer Modules
    • PMBus
    • Boot ROM & Boot Flash
      • BootROM Function
      • Memory Read/Write Functions
      • Checksum Functions
      • Flash Functions
      • Avoiding Program Flash Lock-Up
    • ARM7 Architecture
      • Modes of Operation
      • Hardware/Software Interrupts
      • Instruction Set
      • Dual State Inter-working (Thumb 16-bit Mode/ARM 32-bit Mode)
    • Memory & System Module
      • Address Decoder, DEC (Memory Mapping)
      • Memory Controller (MMC)
      • Central Interrupt Module
    • Register Map for all of the above peripherals in UCD3138
  2. Fusion Digital Power Studio for Isolated Power Applications – User Guide

In addition to the tools and documentation described above, for the most up to date information regarding evaluation modules, reference application firmware and application notes/design tips, please visit http://www.ti.com/product/ucd3138.
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