SLVSHI2A February   2024  – April 2024 LP5867

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  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 Register Maps
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Application
      2. 9.2.2 Design Requirements
      3. 9.2.3 Detailed Design Procedure
        1. 9.2.3.1 Program Procedure
      4. 9.2.4 Application Performance Plots
    3. 9.3 Power Supply Recommendations
      1. 9.3.1 VDD Input Supply Recommendations
      2. 9.3.2 VLED Input Supply Recommendations
      3. 9.3.3 VIO Input Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Support Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

6.5 Electrical Characteristics

VCC = 3.3V, VLED = 3.8V, VIO = 1.8V and TA = –40°C to +85°C (TA = –55°C to +125°C for LP5860MRKPR, LP5864MRKPR, and LP5866MDBTR); Typical values are at TA = 25°C (unless otherwise specified)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Power supplies
VCC Device supply voltage 2.7 5.5 V
VUVR Undervoltage restart VCC rising, Test mode 2.5 V
VUVF Undervoltage shutdown VCC falling, Test mode 1.9 V
VUV_HYS Undervoltage shutdown hysteresis 0.3 V
VCAP Internal LDO output VCC = 2.7V to 5.5V 1.78 V
ICC Shutdown supply current ISHUTDOWN VEN = 0, CHIP_EN = 0 (bit), ADDx = 0; measure the total current from VCC and VLED 0.2 1 µA
Standby supply current ISTANDBY VEN = 3.3V, CHIP_EN = 0 (bit), measure the total current from VCC and VLED 7 10 µA
Active mode supply current INORMAL VEN = 3.3V, CHIP_EN = 1 (bit), all channels IOUT = 5mA (MC = 1, CC = 127, DC = 256), measure the current from VCC 4.2 6 mA
VLED LED supply voltage 2.7 5.5 V
VVIO VIO supply voltage 1.65 5.5 V
IVIO VIO supply current Interface idle 5 µA
Output Stages
ICS Constant current sink output range (CSR0(CS0) – CSB1(CS5)) 2.7 <= VCC < 3.3V, PWM = 100% 0.1 40 mA
VCC≥ 3.3V PWM = 100% 0.1 50 mA
ILKG Leakage current (CSR0(CS0) – CSB1(CS5)) channels off, up_deghost = 0, VCS=5V 0.01 1 µA
IERR_DD Device to device current error, IERR_DD = (IAVE-ISET)/ISET×100% All channels ON. Current set to 0.1mA. MC = 0 CC = 42 DC = 25 PWM = 100% –5 5 %
All channels ON. Current set to 1mA. MC = 2 CC = 127 DC = 25 PWM = 100% –5 5 %
All channels ON. Current set to 10mA. MC = 2 CC = 127 DC = 255 PWM = 100% -3.5 3.5 %
All channels ON. Current set to 25mA. MC=7 CC=64 DC=255 PWM=100% -3 3 %
All channels ON. Current set to 50mA. MC = 7 CC = 127 DC = 255 PWM = 100% –3 3 %
IERR_CC Channel to channel current error, IERR_CC = (IOUTX-IAVE)/IAVE×100% All channels ON. Current set to 0.1mA. MC = 0 CC = 42 DC = 25 PWM = 100% -5 5 %
All channels ON. Current set to 1mA. MC = 2 CC = 127 DC = 25 PWM = 100% -5 5 %
All channels ON. Current set to 10mA. MC = 2 CC = 127 DC = 255 PWM = 100% –3.5 3.5 %
All channels ON. Current set to 25mA. MC = 7 CC = 64 DC = 255 PWM = 100% -3 3 %
All channels ON. Current set to 50mA. MC = 7 CC = 127 DC = 255 PWM = 100% -3 3 %
fPWM LED PWM frequency PWM_Fre = 1, PWM = 100% 62.5 KHz
PWM_Fre = 0, PWM = 100% 125 KHz
VSAT Output saturation voltage IOUT = 50mA, decreasing output voltage, when the LED current has dropped 5% 0.45 V
IOUT = 30mA, decreasing output voltage, when the LED current has dropped 5% 0.4 V
IOUT = 10mA, decreasing output voltage, when the LED current has dropped 5% 0.35 V
RSW High-side PMOS ON resistance VLED = 2.7V, ISW = 200mA 450 750 mΩ
VLED = 2.7V, ISW = 200mA, LP5860MRKPR and LP5864MRSMR 450 570 mΩ
VLED = 3.8V, ISW = 200mA 380 650 mΩ
VLED = 3.8V, ISW = 200mA, LP5860MRKPR and LP5864MRSMR 380 520 mΩ
VLED = 5V, ISW = 200mA 310 600 mΩ
VLED = 5V, ISW = 200mA, LP5860MRKPR and LP5864MRSMR 310 490 mΩ
Logic Interfaces
VLOGIC_IL Low-level input voltage, SDA, SCL, SCLK, MOSI, SS, ADDRx, VSYNC, IFS 0.3 x VIO V
VLOGIC_IH High-level input voltage, SDA, SCL, SCLK, MOSI, SS, ADDRx, VSYNC, IFS 0.7 x VIO V
VEN_IL Low-level input voltage of EN 0.4 V
VEN_IH High-level input voltage of EN When VCAP powered up 1.4 V
ILOGIC_I Input current, SDA, SCL, SCLK, MOSI, SS, ADDRx –1 1 µA
VLOGIC_OL Low-level output voltage, SDA, MISO IPULLUP = 3mA 0.4 V
VLOGIC_OH High-level output voltage, MISO IPULLUP = –3mA 0.7 x VIO V
Protection Circuits
VLOD_TH Thershold for channel open detection 0.25 V
VLSD_TH Thershold for channel short detection VLED – 1 V
TTSD Thermal-shutdown junction temperature 150 °C
THYS Thermal shutdown temperature hysteresis 15 °C