ZHCSJT3B May   2019  – August 2020 LP5009 , LP5012

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Characteristics
    7. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 PWM Control for Each Channel
        1. 8.3.1.1 Independent Color Mixing Per RGB LED Module
        2. 8.3.1.2 Independent Intensity Control Per RGB LED Module
          1. 8.3.1.2.1 Intensity-Control Register Configuration
          2. 8.3.1.2.2 Logarithmic- or Linear-Scale Intensity Control
        3. 8.3.1.3 12-Bit, 29-kHz PWM Generator Per Channel
          1. 8.3.1.3.1 PWM Generator
        4. 8.3.1.4 PWM Phase-Shifting
      2. 8.3.2 LED Bank Control
      3. 8.3.3 Current Range Setting
      4. 8.3.4 Automatic Power-Save Mode
      5. 8.3.5 Protection Features
        1. 8.3.5.1 Thermal Shutdown
        2. 8.3.5.2 UVLO
    4. 8.4 Device Functional Modes
    5. 8.5 Programming
      1. 8.5.1 I2C Interface
        1. 8.5.1.1 Data Validity
        2. 8.5.1.2 Start and Stop Conditions
        3. 8.5.1.3 Transferring Data
        4. 8.5.1.4 I2C Slave Addressing
        5. 8.5.1.5 Control-Register Write Cycle
        6. 8.5.1.6 Control-Register Read Cycle
        7. 8.5.1.7 Auto-Increment Feature
    6. 8.6 Register Maps
      1.      45
      2. 8.6.1  DEVICE_CONFIG0 (Address = 0h) [reset = 0h]
      3. 8.6.2  DEVICE_CONFIG1 (Address = 1h) [reset = 3Ch]
      4. 8.6.3  LED_CONFIG0 (Address = 2h) [reset = 00h]
      5. 8.6.4  BANK_BRIGHTNESS (Address = 3h) [reset = FFh]
      6. 8.6.5  BANK_A_COLOR (Address = 4h) [reset = 00h]
      7. 8.6.6  BANK_B_COLOR (Address = 5h) [reset = 00h]
      8. 8.6.7  BANK_C_COLOR (Address = 6h) [reset = 00h]
      9. 8.6.8  LED0_BRIGHTNESS (Address = 7h) [reset = FFh]
      10. 8.6.9  LED1_BRIGHTNESS (Address = 8h) [reset = FFh]
      11. 8.6.10 LED2_BRIGHTNESS (Address = 9h) [reset = FFh]
      12. 8.6.11 LED3_BRIGHTNESS (Address = 0Ah) [reset = FFh]
      13. 8.6.12 OUT0_COLOR (Address = 0Bh) [reset = 00h]
      14. 8.6.13 OUT1_COLOR (Address = 0Ch) [reset = 00h]
      15. 8.6.14 OUT2_COLOR (Address = 0Dh) [reset = 00h]
      16. 8.6.15 OUT3_COLOR (Address = 0Eh) [reset = 00h]
      17. 8.6.16 OUT4_COLOR (Address = 0Fh) [reset = 00h]
      18. 8.6.17 OUT5_COLOR (Address = 10h) [reset = 00h]
      19. 8.6.18 OUT6_COLOR (Address = 11h) [reset = 00h]
      20. 8.6.19 OUT7_COLOR (Address = 12h) [reset = 00h]
      21. 8.6.20 OUT8_COLOR (Address = 13h) [reset = 00h]
      22. 8.6.21 OUT9_COLOR (Address = 14h) [reset = 00h]
      23. 8.6.22 OUT10_COLOR (Address = 15h) [reset = 00h]
      24. 8.6.23 OUT11_COLOR (Address = 16h) [reset = 00h]
      25. 8.6.24 RESET (Address = 17h) [reset = 00h]
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Examples
  12. 12Device and Documentation Support
    1. 12.1 Related Links
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 静电放电警告
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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7.5 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 OUTx46mA
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 LP5012, x = 11. For LP5009, x = 8.)VVCC in full range, Max_Current_Option = 0 (bit), PWM = 100%25.5mA
Maximum sink current (OUT0–OUTx) (For LP5012, x = 11. For LP5009, x = 8.)VVCC ≥ 3.3 V, Max_Current_Option = 1 (bit), PWM = 100%35
ILIMInternal sink current limit (OUT0–OUTx) (For LP5012, x = 11. For LP5009, x = 8.)VVCC in full range, Max_Current_Option = 0 (bit), VIREF = 0 V355585mA
Internal sink current limit (OUT0–OUTx) (For LP5012, x = 11. For LP5009, x = 8.)VVCC ≥ 3.3V, Max_Current_Option=1 (bit), VIREF = 0 V4075120
IlkgLeakage current (OUT0–OUTx) (For LP5012, x = 11. For LP5009, x = 8.)PWM = 0%0.11µA
IERR_DDDevice to device current error, IERR_DD = (IAVE - ISET)/ISET × 100%Channels' current are set to 10 mA. PWM = 100% at 25°C. Already includes the VIREF and KIREF tolerance–5%5%
IERR_CCChannel to channel current error, IERR_CC = (IOUTX - IAVE)/IAVE × 100%Channels' current are set to 10 mA. PWM = 100% at 25°C. Already includes the VIREF and KIREF tolerance–5%5%
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