SLUSAP2I March   2012  – January 2017 UCD3138

PRODUCTION DATA.  

  1. Device Overview
    1. 1.1 Features
    2. 1.2 Applications
    3. 1.3 Description
    4. 1.4 Functional Block Diagram
  2. Revision History
  3. Device Comparison Table
    1. 3.1 Product Family Comparison
    2. 3.2 Product Selection Matrix
  4. Pin Configuration and Functions
    1. 4.1 UCD3138RGC 64 QFN Pin Attributes
    2. 4.2 UCD3138RHA, UCD3138RMH and UCD3138RJA Pin Attributes
  5. Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Timing and Switching Characteristics
    7. 5.7 Power Supply Sequencing
    8. 5.8 Peripherals
      1. 5.8.1 Digital Power Peripherals (DPPs)
        1. 5.8.1.1 Front End
        2. 5.8.1.2 DPWM Module
        3. 5.8.1.3 DPWM Events
        4. 5.8.1.4 High Resolution DPWM
        5. 5.8.1.5 Oversampling
        6. 5.8.1.6 DPWM Interrupt Generation
        7. 5.8.1.7 DPWM Interrupt Scaling/Range
    9. 5.9 Typical Temperature Characteristics
  6. Detailed Description
    1. 6.1 Overview
    2. 6.2 ARM Processor
    3. 6.3 Memory
      1. 6.3.1 CPU Memory Map and Interrupts
      2. 6.3.2 Boot ROM
      3. 6.3.3 Customer Boot Program
      4. 6.3.4 Flash Management
    4. 6.4 System Module
      1. 6.4.1 Address Decoder (DEC)
      2. 6.4.2 Memory Management Controller (MMC)
      3. 6.4.3 System Management (SYS)
      4. 6.4.4 Central Interrupt Module (CIM)
    5. 6.5 Feature Description
      1. 6.5.1  Sync FET Ramp and IDE Calculation
      2. 6.5.2  Automatic Mode Switching
        1. 6.5.2.1 Phase Shifted Full Bridge Example
        2. 6.5.2.2 LLC Example
        3. 6.5.2.3 Mechanism for Automatic Mode Switching
      3. 6.5.3  DPWMC, Edge Generation, IntraMux
      4. 6.5.4  Filter
        1. 6.5.4.1 Loop Multiplexer
        2. 6.5.4.2 Fault Multiplexer
      5. 6.5.5  Communication Ports
        1. 6.5.5.1 SCI (UART) Serial Communication Interface
        2. 6.5.5.2 PMBUS
        3. 6.5.5.3 General Purpose ADC12
        4. 6.5.5.4 Timers
          1. 6.5.5.4.1 24-bit PWM Timer
          2. 6.5.5.4.2 16-Bit PWM Timers
          3. 6.5.5.4.3 Watchdog Timer
      6. 6.5.6  Miscellaneous Analog
      7. 6.5.7  Package ID Information
      8. 6.5.8  Brownout
      9. 6.5.9  Global I/O
      10. 6.5.10 Temperature Sensor Control
      11. 6.5.11 I/O Mux Control
      12. 6.5.12 Current Sharing Control
      13. 6.5.13 Temperature Reference
    6. 6.6 Device Functional Modes
      1. 6.6.1 Normal Mode
      2. 6.6.2 Phase Shifting
      3. 6.6.3 DPWM Multiple Output Mode
      4. 6.6.4 DPWM Resonant Mode
      5. 6.6.5 Triangular Mode
      6. 6.6.6 Leading Edge Mode
  7. Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 PCMC (Peak Current Mode Control) PSFB (Phase Shifted Full Bridge) Hardware Configuration Overview
        2. 7.2.2.2 DPWM Initialization for PSFB
        3. 7.2.2.3 DPWM Synchronization
        4. 7.2.2.4 Fixed Signals to Bridge
        5. 7.2.2.5 Dynamic Signals to Bridge
        6. 7.2.2.6 System Initialization for PCM
          1. 7.2.2.6.1 Use of Front Ends and Filters in PSFB
          2. 7.2.2.6.2 Peak Current Detection
          3. 7.2.2.6.3 Peak Current Mode (PCM)
      3. 7.2.3 Application Curves
  8. Power Supply Recommendations
    1. 8.1 Power Supply Decoupling and Bulk Capacitors
  9. Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Development Support
        1. 10.1.1.1 Tools and Documentation
    2. 10.2 Documentation Support
      1. 10.2.1 References
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Community Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  11. 11Mechanical Packaging and Orderable Information
    1. 11.1 Packaging Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Power Supply Recommendations

Power Supply Decoupling and Bulk Capacitors

  • Both 3.3 VD and 3.3 VA should have a local 4.7-μF capacitor placed as close as possible to the device pins.
  • BP18 should have a 1-μF capacitor.