SNVSCD0D November   2023  – February 2025 LP5810

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 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 Autonomous Animation Engine Control
        1. 7.3.3.1 Animation Engine Pattern
        2. 7.3.3.2 Sloper
        3. 7.3.3.3 Animation Engine Unit (AEU)
        4. 7.3.3.4 Animation Pause Unit (APU)
      4. 7.3.4 Protections and Diagnostics
        1. 7.3.4.1 LED Open Detections
        2. 7.3.4.2 LED Short Detections
        3. 7.3.4.3 Thermal Shutdown
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 I2C Data Transactions
      2. 7.5.2 I2C Data Format
  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 Parameters
      3. 9.2.3 Detailed Design Procedure
        1. 9.2.3.1 Input Capacitor Selection
        2. 9.2.3.2 Program Procedure
        3. 9.2.3.3 Programming Example
      4. 9.2.4 Application Performance Plots
    3. 9.3 Power 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 Documentation Support
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

Package Options

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

1 Features

  • Operating voltage range:
    • VCC range: 2.7V to 5.5V
    • Logic pins compatible with 1.8V, 3.3V, and 5V
  • 4 constant current sinks with high precision:
    • 0.1mA to 51mA per current sink
    • Device-to-device error: max ±5%
    • Channel-to-channel error: max ±5%
    • Ultra-low headroom voltage: 110mV (typ.) at 25.5mA; 210mV (typ.) at 51mA
    • PWM phase shift configurable for each LED
  • Ultra-low power consumption:
    • Standby: ISTB = 26μA (typical) when CHIP_EN = 0 (data retained)
    • Active: INOR = 0.4mA (typical) when LED current = 25.5mA
  • Analog dimming (current gain control)
    • Global 1-bit Maximum Current (MC): 25.5mA or 51mA
    • Individual 8-bit Dot Current (DC) setting
  • PWM dimming up to audible-noise-free 24kHz
    • Individual 8-bit PWM dimming resolution
    • Linear or exponential dimming curves
  • Autonomous animation engine control
  • Individual LED dot open/short detection
  • Integrated de-ghosting function
  • 1MHz (max.) I2C interface
  • –40°C to 85°C operating temperature range