SLDS156B March   2009  – July 2015 TLC59108

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Open-Circuit Detection
      2. 9.3.2 Overtemperature Detection and Shutdown
      3. 9.3.3 Power-On Reset
      4. 9.3.4 External Reset
      5. 9.3.5 Software Reset
      6. 9.3.6 Individual Brightness Control With Group Dimming/Blinking
    4. 9.4 Device Functional Modes
    5. 9.5 Programming
      1. 9.5.1 Characteristics of the I2C Bus
        1. 9.5.1.1 Bit Transfer
        2. 9.5.1.2 Start and Stop Conditions
      2. 9.5.2 System Configuration
      3. 9.5.3 Acknowledge
      4. 9.5.4 Device Address
      5. 9.5.5 Regular I2C Bus Slave Address
      6. 9.5.6 LED All Call I2C Bus Address
      7. 9.5.7 LED Sub Call I2C Bus Address
      8. 9.5.8 Software Reset I2C Bus Address
      9. 9.5.9 Control Register
    6. 9.6 Register Maps
      1. 9.6.1 Register Descriptions
        1. 9.6.1.1  Mode Register 1 (MODE1)
        2. 9.6.1.2  Mode Register 2 (MODE2)
        3. 9.6.1.3  Brightness Control Registers 0 to 7 (PWM0 to PWM7)
        4. 9.6.1.4  Group Duty Cycle Control Register (GRPPWM)
        5. 9.6.1.5  Group Frequency Register (GRPFREQ)
        6. 9.6.1.6  LED Driver Output State Registers (LEDOUT0, LEDOUT1)
        7. 9.6.1.7  I2C Bus Subaddress Registers 1 to 3 (SUBADR1 to SUBADR3)
        8. 9.6.1.8  LED All Call I2C Bus Address Register (ALLCALLADR)
        9. 9.6.1.9  Output Gain Control Register (IREF)
        10. 9.6.1.10 Error Flags Registers (EFLAG)
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Driver Output
        1. 10.1.1.1 Constant Current Output
        2. 10.1.1.2 Adjusting Output Current
      2. 10.1.2 TLC59108 and TLC59108F Differences
    2. 10.2 Typical Application
      1. 10.2.1 Parallel Outputs
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
        3. 10.2.1.3 Application Curve
      2. 10.2.2 Multiple Devices
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Examples
  13. 13Device and Documentation Support
    1. 13.1 Community Resources
    2. 13.2 Trademarks
    3. 13.3 Electrostatic Discharge Caution
    4. 13.4 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

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1 Features

  • Eight LED Drivers (Each Output Programmable At Off, On, Programmable LED Brightness, Programmable Group Dimming/Blinking Mixed With Individual LED Brightness
  • Eight Constant-Current Output Channels
  • 256-Step (8-Bit) Linear Programmable Brightness Per LED Output Varying From Fully Off (Default) to Maximum Brightness Using a 97-kHz PWM Signal
  • 256-Step Group Brightness Control Allows General Dimming (Using a 190-Hz PWM Signal From Fully Off to Maximum Brightness (Default)
  • 256-Step Group Blinking With Frequency Programmable From 24 Hz to 10.73 s and Duty Cycle From 0% to 99.6%
  • Four Hardware Address Pins Allow 14 TLC59108 Devices to be Connected to the Same I2C Bus
  • Four Software-Programmable I2C Bus Addresses (One LED Group Call Address and Three LED Sub Call Addresses) Allow Groups of Devices to be Addressed at the Same Time in Any Combination. For Example, One Register Used for All Call, so That All the TLC59108 Devices on the I2C Bus Can be Addressed at the Same Time, and the Second Register Can be Used for Three Different Addresses so That One-Third of All Devices on the Bus Can be Addressed at the Same Time in a Group.
  • Software Enable and Disable for I2C Bus Address
  • Software Reset Feature (SWRST Call) Allows Device to be Reset Through I2C Bus
  • Up to 14 Possible Hardware-Adjustable Individual I2C Bus Addresses Per Device, So That Each Device Can Be Programmed
  • Open-Load/Overtemperature Detection Mode to Detect Individual LED Errors
  • Output State Change Programmable on the Acknowledge or the Stop Command to Update Outputs Byte by Byte or All at the Same Time (Default to Change on Stop)
  • Constant Output Current Adjusted Through an External Resistor (10mA to 120mA)
  • Maximum Output Voltage: 17 V
  • 25-MHz Internal Oscillator Requires No External Components
  • 1-MHz Fast Mode Plus Compatible I2C Bus Interface With 30-mA High Drive Capability on SDA Output for Driving High-Capacitive Buses
  • Internal Power-On Reset
  • Noise Filter on SCL/SDA Inputs
  • No Glitch on Power Up
  • Active-Low Reset
  • Supports Hot Insertion
  • 3.3-V or 5-V Supply Voltage

2 Applications

  • Gaming
  • Small Signage
  • Industrial Equipment

3 Description

The TLC59108 is an I2C bus controlled 8-bit LED driver that is optimized for red/green/blue/amber (RGBA) color mixing and backlight applications.

Device Information (1)

PART NUMBER PACKAGE BODY SIZE (NOM)
TLC59108 TSSOP (20) 6.50 mm × 4.40 mm
VQFN (20) 4.50 mm × 3.50 mm
  1. For all available packages, see the orderable addendum at the end of the datasheet.

Simplified Schematic

TLC59108 fp_simpschem_SLDS156.gif