JAJSLD1C May   2021  – November 2022 DLPC6540

PRODUCTION DATA  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Power Electrical Characteristics
    6. 6.6  Pin Electrical Characteristics
    7. 6.7  DMD HSSI Electrical Characteristics
    8. 6.8  DMD Low-Speed LVDS Electrical Characteristics
    9. 6.9  V-by-One Interface Electrical Characteristics
    10. 6.10 USB Electrical Characteristics
    11. 6.11 System Oscillator Timing Requirements
    12. 6.12 Power Supply and Reset Timing Requirements
    13. 6.13 DMD HSSI Timing Requirements
    14. 6.14 DMD Low-Speed LVDS Timing Requirements
    15. 6.15 V-by-One Interface General Timing Requirements
    16. 6.16 Source Frame Timing Requirements
    17. 6.17 Synchronous Serial Port Interface Timing Requirements
    18. 6.18 Master and Slave I2C Interface Timing Requirements
    19. 6.19 Programmable Output Clock Timing Requirements
    20. 6.20 JTAG Boundary Scan Interface Timing Requirements (Debug Only)
    21. 6.21 JTAG ARM Multi-Ice Interface Timing Requirements (Debug Only)
    22. 6.22 Multi-Trace ETM Interface Timing Requirements
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Input Sources
      2. 7.3.2 Processing Delays
      3. 7.3.3 V-by-One Interface
      4. 7.3.4 DMD (HSSI) Interface
      5. 7.3.5 Program Memory Flash Interface
      6. 7.3.6 GPIO Supported Functionality
      7. 7.3.7 Debug Support
    4. 7.4 Device Operational Modes
      1. 7.4.1 Standby Mode
      2. 7.4.2 Active Mode
        1. 7.4.2.1 Normal Configuration
  8. 8 Power Supply Recommendations
    1. 8.1 Power Supply Management
    2. 8.2 Hot Plug Usage
    3. 8.3 Power Supplies for Unused Input Source Interfaces
    4. 8.4 Power Supplies
      1. 8.4.1 1.15-V Power Supplies
      2. 8.4.2 1.21V Power Supply
      3. 8.4.3 1.8-V Power Supplies
      4. 8.4.4 3.3-V Power Supplies
  9. 9 Layout
    1. 9.1 Layout Guidelines
      1. 9.1.1 General Layout Guidelines
      2. 9.1.2 Power Supply Layout Guidelines
      3. 9.1.3 Layout Guidelines for Internal Controller PLL Power
      4. 9.1.4 Layout Guideline for DLPC6540 Reference Clock
        1. 9.1.4.1 Recommended Crystal Oscillator Configuration
      5. 9.1.5 V-by-One Interface Layout Considerations
      6. 9.1.6 USB Interface Layout Considerations
      7. 9.1.7 DMD Interface Layout Considerations
      8. 9.1.8 General Handling Guidelines for Unused CMOS-Type Pins
      9. 9.1.9 Maximum Pin-to-Pin, PCB Interconnects Etch Lengths
    2. 9.2 Thermal Considerations
  10. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Third-Party Products Disclaimer
      2. 10.1.2 Device Nomenclature
        1. 10.1.2.1 Device Markings
        2. 10.1.2.2 Package Data
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 サポート・リソース
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
      1. 10.6.1 Video Timing Parameter Definitions
  11. 11Mechanical, Packaging, and Orderable Information
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パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

9.2 Thermal Considerations

The underlying thermal requirement for the DLPC6540 is that the maximum operating junction temperature (TJ) not be exceeded (defined in the Section 6.3). This temperature is dependent on operating ambient temperature, heatsink, airflow, PCB design (including the component layout density and the amount of copper used), power dissipation of the DLPC6540, and power dissipation of surrounding components. The DLPC6540’s package is designed to extract heat via the package heat slug to the heatsink, via the thermal balls, and through the power and ground planes of the PCB. Thus, heatsink, copper content, and airflow over the PCB are important factors.

The recommended maximum operating ambient temperature (TA) is provided primarily as a design target and is based on maximum DLPC6540 power dissipation and RθJA at 0 m/s,1 m/s, and 2 m/s of forced airflow, where RθJA is the thermal resistance of the package as measured using the test board described in Section 9.1.1. This test PCB is not necessarily representative of the customers PCB and thus the reported thermal resistance can differ from the actual product application. Although the actual thermal resistance can be different, it is the best information available during the design phase to estimate thermal performance. TI highly recommends that once the host PCB is designed and built that the thermal performance be measured and validated.

To do this, measure the top center case temperature under the worse case product scenario (max power dissipation, max voltage, max ambient temperature) and validate that the maximum recommended case temperature (TC) is not exceeded. This specification is based on the measured φJT for the DLPC6540 package and provides a relatively accurate correlation to junction temperature. Take care when measuring this case temperature to prevent accidental cooling of the package surface. TI recommends a small (approximately 40 gauge) thermocouple. Ensure that the bead and thermocouple wire contact the top of the package. Cover the bead and thermocouple wire with a minimal amount of thermally conductive epoxy. Route the wires closely along the package and the board surface to avoid cooling the bead through the wires.