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

6.5 Electrical Characteristics

over operating ambient temperature range (–40°C < TA<85°C) (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
POWER SUPPLIES (VCC)
VVCCSupply voltage2.75.5V
IVCCShutdown supply currentVEN = 0 V0.21µA
Standby supply currentVEN = 3.3 V, Chip_EN = 0 (bit)610
Normal-mode supply currentWith 10-mA LED current per OUTx58mA
Power-save mode supply currentVEN = 3.3 V, Chip_EN = 1 (bit), Power_Save_EN = 1 (bit), all the LEDs off duration > tPSM610µA
VUVRUndervoltage restartVVCC rising2.5V
VUVFUndervoltage shutdownVVCC falling2V
VUV_HYSUndervoltage shutdown hysteresis0.2V
OUTPUT STAGE (OUTx)
IMAXMaximum sink current (OUT0–OUTx) (For LP5024, x = 23. For LP5018, x = 17.)
VVCC in full range, Max_Current_Option = 0 (bit), PWM = 100%25.5mA
Maximum sink current (OUT0–OUTx) (For LP5024, x = 23. For LP5018, x = 17.)VVCC ≥ 3.3 V, Max_Current_Option = 1 (bit), PWM = 100%35
ILIMInternal sink current limit (OUT0–OUTx) (For LP5024, x = 23. For LP5018, x = 17.)VVCC in full range, Max_Current_Option = 0 (bit), VIREF = 0 V355580mA
Internal sink current limit (OUT0–OUTx) (For LP5024, x = 23. For LP5018, x = 17.)VVCC ≥ 3.3V, Max_Current_Option=1 (bit), VIREF = 0 V4075120
IlkgLeakage current (OUT0–OUTx) (For LP5024, x = 23. For LP5018, x = 17.)PWM = 0%0.11µA
IERR_DDDevice to device current error, IERR_DD=(IAVE-ISET)/ISET×100%All channels' current set to 10 mA. PWM = 100%. Already includes the VIREF and KIREF tolerance–7%7%
IERR_CCChannel to channel current error, IERR_CC=(IOUTX-IAVE)/IAVE×100%All channels' current set to 10 mA. PWM = 100%. Already includes the VIREF and KIREF tolerance–7%7%
VIREFIREF voltage0.7V
KIREFIREF ratio105
ƒPWMPWM switching frequency2129kHz
VSATOutput saturation voltageVVCC in full range, Max_Current_Option = 0 (bit), output current set to 20 mA, the voltage when the LED current has dropped 5%0.250.35V
VVCC ≥ 3.3 V, Max_Current_Option = 1 (bit), output current set to 20 mA, the voltage when the LED current has dropped 5%0.30.4
LOGIC INPUTS (EN, SCL, SDA, ADDRx)
VILLow level input voltage0.4V
VIHHigh level input voltage1.4V
ILOGICInput current–11µA
VSDASDA output low levelIPULLUP = 5 mA0.4V
PROTECTION CIRCUITS
T(TSD)Thermal-shutdown junction temperature160°C
T(HYS)Thermal shutdown temperature hysteresis15°C
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