ZHCSHV7C October   2018  – July 2024 LP5018 , LP5024

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 说明（续）
  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. 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 PWM Control for Each Channel
        1. 7.3.1.1 Independent Color Mixing Per RGB LED Module
        2. 7.3.1.2 Independent Intensity Control Per RGB LED Module
          1. 7.3.1.2.1 Intensity-Control Register Configuration
          2. 7.3.1.2.2 Logarithmic- or Linear-Scale Intensity Control
        3. 7.3.1.3 12-Bit, 29-kHz PWM Generator Per Channel
          1. 7.3.1.3.1 PWM Generator
        4. 7.3.1.4 PWM Phase-Shifting
      2. 7.3.2 LED Bank Control
      3. 7.3.3 Current Range Setting
      4. 7.3.4 Automatic Power-Save Mode
      5. 7.3.5 Protection Features
        1. 7.3.5.1 Thermal Shutdown
        2. 7.3.5.2 UVLO
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 I2C Interface
        1. 7.5.1.1 Data Validity
        2. 7.5.1.2 Start and Stop Conditions
        3. 7.5.1.3 Transferring Data
        4. 7.5.1.4 I2C Slave Addressing
        5. 7.5.1.5 Control-Register Write Cycle
        6. 7.5.1.6 Control-Register Read Cycle
        7. 7.5.1.7 Auto-Increment Feature
    6. 7.6 Register Maps
      1. 7.6.1  DEVICE_CONFIG0 (Address = 0h) [reset = 0h]
      2. 7.6.2  DEVICE_CONFIG1 (Address = 1h) [reset = 3Ch]
      3. 7.6.3  LED_CONFIG0 (Address = 2h) [reset = 00h]
      4. 7.6.4  BANK_BRIGHTNESS (Address = 3h) [reset = FFh]
      5. 7.6.5  BANK_A_COLOR (Address = 4h) [reset = 00h]
      6. 7.6.6  BANK_B_COLOR (Address = 5h) [reset = 00h]
      7. 7.6.7  BANK_C_COLOR (Address = 6h) [reset = 00h]
      8. 7.6.8  LED0_BRIGHTNESS (Address = 7h) [reset = FFh]
      9. 7.6.9  LED1_BRIGHTNESS (Address = 8h) [reset = FFh]
      10. 7.6.10 LED2_BRIGHTNESS (Address = 9h) [reset = FFh]
      11. 7.6.11 LED3_BRIGHTNESS (Address = 0Ah) [reset = FFh]
      12. 7.6.12 LED4_BRIGHTNESS (Address = 0Bh) [reset = FFh]
      13. 7.6.13 LED5_BRIGHTNESS (Address = 0Ch) [reset = FFh]
      14. 7.6.14 LED6_BRIGHTNESS (Address = 0Dh) [reset = FFh]
      15. 7.6.15 LED7_BRIGHTNESS (Address = 0Eh) [reset = FFh]
      16. 7.6.16 OUT0_COLOR (Address = 0Fh) [reset = 00h]
      17. 7.6.17 OUT1_COLOR (Address = 10h) [reset = 00h]
      18. 7.6.18 OUT2_COLOR (Address = 11h) [reset = 00h]
      19. 7.6.19 OUT3_COLOR (Address = 12h) [reset = 00h]
      20. 7.6.20 OUT4_COLOR (Address = 13h) [reset = 00h]
      21. 7.6.21 OUT5_COLOR (Address = 14h) [reset = 00h]
      22. 7.6.22 OUT6_COLOR (Address = 15h) [reset = 00h]
      23. 7.6.23 OUT7_COLOR (Address = 16h) [reset = 00h]
      24. 7.6.24 OUT8_COLOR (Address = 17h) [reset = 00h]
      25. 7.6.25 OUT9_COLOR (Address = 18h) [reset = 00h]
      26. 7.6.26 OUT10_COLOR (Address = 19h) [reset = 00h]
      27. 7.6.27 OUT11_COLOR (Address = 1Ah) [reset = 00h]
      28. 7.6.28 OUT12_COLOR (Address = 1Bh) [reset = 00h]
      29. 7.6.29 OUT13_COLOR (Address = 1Ch) [reset = 00h]
      30. 7.6.30 OUT14_COLOR (Address = 1Dh) [reset = 00h]
      31. 7.6.31 OUT15_COLOR (Address = 1Eh) [reset = 00h]
      32. 7.6.32 OUT16_COLOR (Address = 1Fh) [reset = 00h]
      33. 7.6.33 OUT17_COLOR (Address = 20h) [reset = 00h]
      34. 7.6.34 OUT18_COLOR (Address = 21h) [reset = 00h]
      35. 7.6.35 OUT19_COLOR (Address = 22h) [reset = 00h]
      36. 7.6.36 OUT20_COLOR (Address = 23h) [reset = 00h]
      37. 7.6.37 OUT21_COLOR (Address = 24h) [reset = 00h]
      38. 7.6.38 OUT22_COLOR (Address = 25h) [reset = 00h]
      39. 7.6.39 OUT23_COLOR (Address = 26h) [reset = 00h]
      40. 7.6.40 RESET (Address = 27h) [reset = 00h]
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Examples
  10. 9 Device and Documentation Support
    1. 9.1 Related Links
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 静电放电警告
    6. 9.6 术语表
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

6.6 Timing Requirements

over operating ambient temperature range (-40°C < TA<85°C) (unless otherwise noted)
PARAMETERMINTYPMAXUNIT
ƒOSCInternal oscillator frequency15MHz
tPSMPower save mode deglitch time203040ms
tEN_HEN first rising edge until first I2C access500µs
tEN_LEN first falling edge until first I2C reset3µs
ƒSCLI2C clock frequency400kHz
1Hold time (repeated) START condition0.6µs
2Clock low time1.3µs
3Clock high time600ns
4Setup time for a repeated START condition600ns
5Data hold time0ns
6Data setup time100ns
7Rise time of SDA and SCL20 + 0.1 Cb300ns
8Fall time of SDA and SCL15 + 0.1 Cb300ns
9Setup time for STOP condition600ns
10Bus free time between a STOP and a START condition1.3µs
CbCapacitive load parameter for each bus line Load of 1 pF corresponds to one nanosecond.10200pF
LP5018 LP5024 I2C Timing Parameters Figure 6-1 I2C Timing Parameters