SNVSD24 August   2025 LP5814I

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Device Comparison
  6. Pin Configuration and Functions
  7. 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. 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 Autonomous Animation Control
        1. 7.3.4.1 Animation Engine Unit
        2. 7.3.4.2 Animation Pattern Unit
        3. 7.3.4.3 Animation Control
      5. 7.3.5 Instant Blinking
      6. 7.3.6 Protections
        1. 7.3.6.1 UVLO
        2. 7.3.6.2 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Initialization Mode
      2. 7.4.2 Instant Blinking Mode
      3. 7.4.3 Standby and Normal Mode
      4. 7.4.4 Shutdown Mode
      5. 7.4.5 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. 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. 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
    1. 11.1 Mechanical Data

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

Electrical Characteristics

Unless specified otherwise, typical characteristics apply over the full ambient temperature range (–40°C < TA < +85°C ), VCC = 3.6V, CIN = 1μF.
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
Power Supply
VCCInput voltage range2.55.5V
VCC_UVLOUnder-voltage lockout thresholdVCC rising2.22.32.4V
VCC falling22.12.2V
ISDShutdown current into VCC pinVCC = 3.6V0.10.3μA
ISTBStandby current into VCC pinVCC = 3.6V, CHIP_EN = 0 (bit)2226μA
INORNormal operation current into VCC pinVCC = 3.6V, CHIP_EN = 1 (bit), OUT0_EN = OUT1_EN = OUT2_EN = OUT3_EN = 0 (bit)0.150.17mA
INORNormal operation current into VCC pinVCC = 3.6V, CHIP_EN = 1 (bit), OUT0_EN = OUT1_EN = OUT2_EN = OUT3_EN = 1 (bit), IOUT0 = IOUT1 = IOUT2 = IOUT3 = 25.5mA (MAX_CURRENT = 0 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh)0.230.29mA
LED Driver Output
ICSConstant current sink output rangeVCC = 3.6V, VLED = 5V, MAX_CURRENT = 0 (bit), OUTx_MANUAL_PWM = FFh (100% ON)0.125.5mA
VCC = 3.6V, VLED = 5V, MAX_CURRENT = 1 (bit), OUTx_MANUAL_PWM = FFh (100% ON)0.251mA
ICS_LKGConstant current sink leakage currentVCC = 3.6V, OUTx = 1V, OUTx_MANUAL_PWM = 0 (0%)0.11μA
IERR_D2DDevice 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)–88%
All LEDs turn ON. Current set to 51mA (MAX_CURRENT = 1 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh)–88%
IERR_C2CChannel 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)–33%
All LEDs turn ON. Current set to 51mA (MAX_CURRENT = 1 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh)–22%
VHRLED driver output headroom voltageAll LEDs turn ON. Current set to 25.5mA (MAX_CURRENT = 0 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh), VCC = 3.6V0.135V
All LEDs turn ON. Current set to 51mA (MAX_CURRENT = 1 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh), VCC = 3.6V0.275V
All LEDs turn ON. Current set to 25.5mA (MAX_CURRENT = 0 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh), VCC = 2.5V0.15V
All LEDs turn ON. Current set to 51mA (MAX_CURRENT = 1 (bit), OUTx_DC = FFh, OUTx_MANUAL_PWM = FFh), , VCC = 2.5V0.3V
fLED_PWMPWM dimming frequency23kHz
fOSCInternal oscillator frequency6MHz
Logic Interface
VIH_LOGICHigh level input voltage of SDA, SCL1.4V
VIL_LOGICLow level input voltage of SDA, SCL0.4V
VOL_LOGICLow level output voltage of SDA0.4V
Protection
TSDThermal shutdown threshold for LED driver partTJ rising150°C
TSD_HYSThermal shutdown hysteresisTJ falling below TSD15°C