SNVSCQ2A March   2025  – August 2025 LP5817

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. 6.7 Timing Diagrams
    8. 6.8 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 Analog Dimming
      2. 7.3.2 PWM Dimming
      3. 7.3.3 Sloper
      4. 7.3.4 Protections
        1. 7.3.4.1 UVLO
        2. 7.3.4.2 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Initialization Mode
      2. 7.4.2 Standby and Normal Mode
      3. 7.4.3 Shutdown Mode
      4. 7.4.4 Thermal Shutdown Mode
    5. 7.5 Programming
      1. 7.5.1 I2C Data Tansactions
      2. 7.5.2 I2C Data Format
      3. 7.5.3 Command Description
    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 Parameters
      3. 8.2.3 Detailed Design Procedure
        1. 8.2.3.1 Program Procedure
        2. 8.2.3.2 Programming Example
      4. 8.2.4 Application Performance Plots
    3. 8.3 Power 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 Documentation Support
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

6.5 Electrical Characteristics

Unless specified otherwise, typical characteristics apply over the full ambient temperature range (–40°C < TA < +85°C ), VCC = 3.6V, CIN = 1μF.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Power Supply
VCC Input voltage range 2.5 5.5 V
VCC_UVLO Under-voltage lockout threshold VCC rising 2.2 2.3 2.4 V
VCC falling 2 2.1 2.2 V
ISD Shutdown current into VCC pin VCC = 3.6V 0.1 0.3 μA
ISTB Standby current into VCC pin VCC = 3.6V, CHIP_EN = 0 (bit) 22 26 μA
INOR Normal operation current into VCC pin VCC = 3.6V, CHIP_EN = 1 (bit), OUT0_EN = OUT1_EN = OUT2_EN = 0 (bit) 0.15 0.17 mA
INOR Normal operation current into VCC pin VCC = 3.6V, CHIP_EN = 1 (bit), OUT0_EN = OUT1_EN = OUT2_EN = 1 (bit), IOUT0 = IOUT1 = IOUT2 = 25.5mA (MAX_CURRENT = 0 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh) 0.23 0.29 mA
LED Driver Output
ICS Constant current sink output range VCC = 3.6V, VLED = 5V, MAX_CURRENT = 0 (bit), OUTx_MANUAL_PWM = FFh (100% ON) 0.1 25.5 mA
VCC = 3.6V, VLED = 5V, MAX_CURRENT = 1 (bit), OUTx_MANUAL_PWM = FFh (100% ON) 0.2 51 mA
ICS_LKG Constant current sink leakage current VCC = 3.6V, OUTx = 1V, OUTx_MANUAL_PWM = 0 (0%) 0.1 1 μA
IERR_D2D Device to device current error, 
IERR_D2D = (IAVE-ISET)/ISET×100%		 All LEDs turn ON. Current set to 25.5mA (MAX_CURRENT = 0 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh) –8 8 %
All LEDs turn ON. Current set to 51mA (MAX_CURRENT = 1 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh) –8 8 %
IERR_C2C Channel to Channel current error
IERR_C2C = (IOUTX-IAVE)/IAVE×100%		 All LEDs turn ON. Current set to 25.5mA (MAX_CURRENT = 0 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh) –3 3 %
All LEDs turn ON. Current set to 51mA (MAX_CURRENT = 1 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh) –2 2 %
VHR LED driver output headroom voltage All LEDs turn ON. Current set to 25.5mA (MAX_CURRENT = 0 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh), VCC = 3.6V 0.135 V
All LEDs turn ON. Current set to 51mA (MAX_CURRENT = 1 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh), VCC = 3.6V 0.275 V
All LEDs turn ON. Current set to 25.5mA (MAX_CURRENT = 0 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh), VCC = 2.5V 0.15 V
All LEDs turn ON. Current set to 51mA (MAX_CURRENT = 1 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh), , VCC = 2.5V 0.3 V
fLED_PWM PWM dimming frequency 23 kHz
fOSC Internal oscillator frequency 6 MHz
Logic Interface
VIH_LOGIC High level input voltage of SDA, SCL 1.4 V
VIL_LOGIC Low level input voltage of SDA, SCL 0.4 V
VOL_LOGIC Low level output voltage of SDA 0.4 V
Protection
TSD Thermal shutdown threshold for LED driver part TJ rising 150 °C
TSD_HYS Thermal shutdown hysteresis TJ falling below TSD 15 °C