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

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9.4.4 Central Interrupt Module (CIM)

The CIM accepts 32 interrupt requests for meeting firmware timing requirements. The ARM processor supports two interrupt levels: FIQ and IRQ. FIQ is the highest priority interrupt. The CIM provides hardware expansion of interrupts by use of FIQ/IRQ vector registers for providing the offset index in a vector table. This numerical index value indicates the highest precedence channel with a pending interrupt and is used to locate the interrupt vector address from the interrupt vector table. Interrupt channel 0 has the lowest precedence and interrupt channel 31 has the highest precedence. To remove the interrupt request, the firmware should clear the request as the first action in the interrupt service routine. The request channels are maskable, allowing individual channels to be selectively disabled or enabled.

Table 9-4 Interrupt Priority Table
NAMEMODULE COMPONENT OR REGISTERDESCRIPTIONPRIORITY
BRN_OUT_INTBrownoutBrownout interrupt0 (lowest)
EXT_INTExternal interruptsInterrupt on external input pin1
WDRST_INTWatchdog controlInterrupt from watchdog exceeded (reset)2
WDWAKE_INTWatchdog controlWakeup interrupt when watchdog equals half of set watch time3
SCI_ERR_INTUART or SCI controlUART or SCI error Interrupt. Frame, parity or overrun4
SCI_RX_0_INTUART or SCI controlUART0 RX buffer has a byte5
SCI_TX_0_INTUART or SCI controlUART0 TX buffer empty6
SCI_RX_1_INTUART or SCI controlUART1 RX buffer has a byte7
SCI_TX_1_INTUART or SCI controlUART1 TX buffer empty8
PMBUS_INTPMBus related interrupt9
DIG_COMP_INT12-bit ADC controlDigital comparator interrupt10
FE0_INTFront End 0“Prebias complete”, “Ramp Delay Complete”, “Ramp Complete”, “Load Step Detected”,
“Over-Voltage Detected”, “EADC saturated”		11
FE1_INTFront End 1“Prebias complete”, “Ramp Delay Complete”, “Ramp Complete”, “Load Step Detected”,
“Over-Voltage Detected”, “EADC saturated”		12
FE2_INTFront End 2“Prebias complete”, “Ramp Delay Complete”, “Ramp Complete”, “Load Step Detected”,
“Over-Voltage Detected”, “EADC saturated”		13
PWM3_INT16-bit timer PWM 316-bit Timer PWM3 counter overflow or compare interrupt14
PWM2_INT16-bit timer PWM 216-bit Timer PWM2 counter Overflow or compare interrupt15
PWM1_INT16-bit timer PWM 116-bit Timer PWM1 counter overflow or compare interrupt16
PWM0_INT16-bit timer PWM 016-bit Timer PWM1 counter overflow or compare interrupt17
OVF24_INT24-bit timer control24-bit Timer counter overflow interrupt18
CAPTURE_1_INT24-bit timer control24-bit Timer capture 1 interrupt19
COMP_1_INT24-bit timer control24-bit Timer compare 1 interrupt20
CAPTURE_0_INT24-bit timer control24-bit Timer capture 0 interrupt21
COMP_0_INT24-bit timer control24-bit Timer compare 0 interrupt22
CPCC_INTConstant power constant currentMode switched in CPCC module Flag needs to be read for details23
ADC_CONV_INT12-bit ADC controlADC end of conversion interrupt24
FAULT_INTFault Mux interruptAnalog comparator interrupts, overvoltage detection, undervoltage detection, LLM load step detection25
DPWM3DPWM3Same as DPWM126
DPWM2DPWM2Same as DPWM127
DPWM1DPWM11) Every (1 to 256) switching cycles
2) Fault detection
3) Mode switching		28
DPWM0DPWM0Same as DPWM129
EXT_FAULT_INTExternal FaultsFault pin interrupt30
SYS_SSI_INTSystem SoftwareSystem software interrupt31 (highest)
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