SLVUCV5 February   2024 LP5867

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specifications
    4. 1.4 Device Information
  7. 2 Hardware
    1. 2.1 Hardware Setup
  8. 3Software
    1. 3.1 Software Setup
    2. 3.2 Graphical User Interface Guidance
  9. 4Hardware Design Files
    1. 4.1 LP5867EVM Schematic
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials
  10. 5Additional Information
    1.     Trademarks
  11. 6Related Documentation

Features

  • LED matrix topology
    • 6 constant current sinks with 7 scan switches for 42 LED dots
    • Configurable for 1 to 7 scan switches
  • Operating voltage range
    • VCC/VLED range: 2.7V to 5.5V
    • Logic pins compatible with 1.8V, 3.3V, and 5V
  • 6 constant current sinks with high precision
    • 0.1mA to 50mA per current sink when VCC ≥ 3.3V
    • Device-to-device error: ±3% when channel current = 50mA
    • Channel-to-channel error: ±3% when channel current = 50mA
    • Phase-shift for balanced transient power
  • Ultra-low power consumption
    • Shutdown mode: ICC ≤ 1uA when EN = Low
    • Standby mode: ICC ≤ 10uA when EN = High and CHIP_EN = 0 (data retained)
    • Active mode: ICC = 4.3mA (typ.) when channel current = 5mA
  • Flexible dimming options
    • Individual ON/OFF control for each LED dot
    • Analog dimming (7-step MC/7 bit CC/8 bit DC)
    • PWM dimming (8/16 bit) with audible-noise-free frequency
  • Fully addressable SRAM to minimize data traffic
  • Individual LED dot open/short detection
  • De-ghosting and low brightness compensation
  • Interface options
    • 1MHz (maximum) I2C interface when IFS = Low
    • 12MHz (maximum) SPI when IFS = High LED animation and indication for:
      • Portable electronics
      • Wearable electronics