SNVSCE2B May   2023  – November 2023 LP5868T

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 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 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.5 Electrical Characteristics

VCC = 3.3V, VLED = 5V, VIO = 1.8V and TA = –40°C to +85°C(TA = –55°C to +125°C for LP5860TMRKPR, LP5866TMRKPR and LP5868TMRKPR); 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 0.1 1.5 µA
Standby supply current ISTANDBY VEN = 3.3V, CHIP_EN = 0 (bit), measure the total current from VCC and VLED 5.5 12 µA
Active mode supply current INORMAL VEN = 3.3V, CHIP_EN = 1 (bit), all channels IOUT = 12.5 mA (MC = 1, CC = 127, DC = 256), measure the current from VCC 4.3 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 (CS0 – CS17) 2.7 <= VCC < 3.3V, PWM = 100% 0.1 75 mA
VCC >= 3.3V PWM = 100% 0.1 100 mA
ILKG Leakage current (CS0 – CS17) channels off, up_deghost = 0, VCS=5V 0.1 1 µA
IERR_DD Device to device current error, IERR_DD = (IAVE-ISET)/ISET×100% All channels ON. Current set to 1 mA. MC = 0 CC = 17 DC = 255 PWM = 100% –5 5 %
All channels ON. Current set to 25 mA. MC = 2 CC = 127 DC = 255 PWM = 100% –5 5 %
All channels ON. Current set to 50 mA. MC = 4 CC = 127 DC = 255 PWM = 100% -5 5 %
All channels ON. Current set to 75 mA. MC=5 CC=64 DC=255 PWM=100% –5 5 %
All channels ON. Current set to 100 mA. MC = 6 CC = 127 DC = 255 PWM = 100% –5 5 %
IERR_CC Channel to channel current error, IERR_CC = (IOUTX-IAVE)/IAVE×100% All channels ON. Current set to 1 mA. MC = 0 CC = 17 DC = 255 PWM = 100% –5 5 %
All channels ON. Current set to 25 mA. MC = 2 CC = 127 DC = 255 PWM = 100% –5 5 %
All channels ON. Current set to 50 mA. MC = 4 CC = 127 DC = 255 PWM = 100% –5 5 %
All channels ON. Current set to 75 mA. MC=5 CC=64 DC=255 PWM=100% –5 5 %
All channels ON. Current set to 100 mA. MC = 6 CC = 127 DC = 255 PWM = 100% –5 5 %
fPWM LED PWM frequency PWM_Fre = 1, PWM = 100% 62.5 KHz
PWM_Fre = 0, PWM = 100% 125 KHz
VSAT Output saturation voltage IOUT = 100mA, decreasing output voltage, when the LED current has dropped 5% (only apply to LP5860TMRKPR, LP5866TMRKPR and LP5868TMRKPR) 0.8 V
IOUT = 100mA, decreasing output voltage, when the LED current has dropped 5% (only apply to LP5860TRKPR, LP5866TRKPR and LP5868TRKPR) 0.7 V
IOUT = 75mA, decreasing output voltage, when the LED current has dropped 5% 0.6 V
IOUT = 25mA, decreasing output voltage, when the LED current has dropped 5% 0.5 V
RSW High-side PMOS ON resistance VLED = 2.7 V, ISW = 200 mA 450 mΩ
VLED = 2.7 V, ISW = 200 mA, LP5860MRKPR and LP5864MRSMR 450 mΩ
VLED = 3.8 V, ISW = 200mA 380 mΩ
VLED = 3.8 V, ISW = 200 mA, LP5860MRKPR and LP5864MRSMR 380 mΩ
VLED = 5 V, ISW = 200 mA 310 mΩ
VLED = 5V, ISW = 200 mA, LP5860MRKPR and LP5864MRSMR 310 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 = 3 mA 0.4 V
VLOGIC_OH High-level output voltage, MISO IPULLUP = –3 mA 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