JAJSOY3B May   2023  – November 2023 LP5868T

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 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 Electrical Characteristics
    6. 6.6 Timing Requirements
    7.     14
    8. 6.7 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Time-Multiplexing Matrix
      2. 7.3.2 Analog Dimming (Current Gain Control)
        1. 7.3.2.1 Global 3-Bits Maximum Current (MC) Setting
        2. 7.3.2.2 3 Groups of 7-Bits Color Current (CC) Setting
        3. 7.3.2.3 Individual 8-bit Dot Current (DC) Setting
      3. 7.3.3 PWM Dimming
        1. 7.3.3.1 Individual 8-Bit / 16-Bit PWM for Each LED Dot
        2. 7.3.3.2 Programmable Groups of 8-Bit PWM Dimming
        3. 7.3.3.3 8-Bit PWM for Global Dimming
      4. 7.3.4 ON and OFF Control
      5. 7.3.5 Data Refresh Mode
      6. 7.3.6 Full Addressable SRAM
      7. 7.3.7 Protections and Diagnostics
        1. 7.3.7.1 LED Open Detection
        2. 7.3.7.2 LED Short Detection
        3. 7.3.7.3 Thermal Shutdown
        4. 7.3.7.4 UVLO (Under Voltage Lock Out)
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 Interface Selection
      2. 7.5.2 I2C Interface
        1. 7.5.2.1 I2C Data Transactions
        2. 7.5.2.2 I2C Data Format
        3. 7.5.2.3 Multiple Devices Connection
      3. 7.5.3 Programming
        1. 7.5.3.1 SPI Data Transactions
        2. 7.5.3.2 SPI Data Format
        3. 7.5.3.3 Multiple Devices Connection
    6. 7.6 Register Maps
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Application
      2. 8.2.2 Design Requirements
      3. 8.2.3 Detailed Design Procedure
        1. 8.2.3.1 Program Procedure
      4. 8.2.4 Application Performance Plots
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 VDD Input Supply Recommendations
      2. 8.3.2 VLED Input Supply Recommendations
      3. 8.3.3 VIO Input Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 ドキュメントの更新通知を受け取る方法
    2. 9.2 サポート・リソース
    3. 9.3 Trademarks
    4. 9.4 静電気放電に関する注意事項
    5. 9.5 用語集
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

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

8.2.4 Application Performance Plots

The following figures show the application performance plots.

GUID-EBD5668E-1B19-4525-A848-A74D48CB6A11-low.svgFigure 8-3 Scan Lines and Current Sinks Waveforms of SW0, SW1, CS0, CS1
GUID-D1BA2A9B-9895-4100-B793-181B5E4EF03D-low.svg
PWM frequency = 125kHz
Figure 8-5 Scan Lines and Current Sinks Waveforms of SW0, SW1, CS0, CS1
GUID-6EFAD481-C0B4-4348-A63C-6D67D5F55A37-low.svg
Switch blank time tSW_BLK = 1μs
Figure 8-7 Scan Lines Switching Waveforms of SW0, SW1, SW2
GUID-5D451CE2-E765-440F-B2C3-783F1311EB2B-low.svg
PWM_Phase_Shift = 1h
Figure 8-9 PWM Phase Shift Enabled
GUID-70E0A1FD-BD35-4B95-90FE-E70A19A100AF-low.svg

PWM frequency = 62.5kHz

Figure 8-4 Scan Lines and Current Sinks Waveforms of SW0, SW1, CS0, CS1
GUID-8CB87A4B-8529-4B2A-8DF3-30749563A2B2-low.svg
Switch blank time tSW_BLK = 0.5μs
Figure 8-6 Scan Lines Switching Waveforms of SW0, SW1, SW2
GUID-D3443D10-8994-4DC1-A07E-F17F38139349-low.svg
PWM_Phase_Shift = 0h
Figure 8-8 PWM Phase Shift Disabled