SLVS677C July   2008  – October 2015 TLC5926 , TLC5927

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  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: VDD = 3 V
    6. 7.6  Electrical Characteristics: VDD = 5.5 V
    7. 7.7  Timing Recommendations
    8. 7.8  Switching Characteristics: VDD = 3 V
    9. 7.9  Switching Characteristics: VDD = 5.5 V
    10. 7.10 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 Principle
      2. 9.3.2 Short-Circuit Detection Principle (TLC5927 Only)
      3. 9.3.3 Overtemperature Detection and Shutdown
    4. 9.4 Device Functional Modes
      1. 9.4.1 Operation Mode Switching
      2. 9.4.2 Normal Mode Phase
      3. 9.4.3 Special Mode Phase
        1. 9.4.3.1 Reading Error Status Code in Special Mode
      4. 9.4.4 Writing Configuration Code in Special Mode
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Constant Current
      2. 10.1.2 Adjusting Output Current
      3. 10.1.3 16-Bit Configuration Code and Current Gain
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curve
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Related Links
    2. 13.2 Community Resources
    3. 13.3 Trademarks
    4. 13.4 Electrostatic Discharge Caution
    5. 13.5 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

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

6 Pin Configuration and Functions

DBQ, DW, or PWP Package
24-PIN SSOP, SOIC, HTSSOP
Top View
TLC5926 TLC5927 po_lvs677.gif

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
CLK 3 I Clock input pin for data shift on rising edge
GND 1 — Ground pin for control logic and current sink
LE(ED1) 4 I Data strobe input pn
Serial data is transferred to the respective latch when LE(ED1) is high. The data is latched when LE(ED1) goes low. Also, a control signal input for an Error Detection mode and Current Adjust mode. LE(ED1) has an internal pulldown.
OE(ED2) 21 I Output enable pin. When OE (ED2)(active) is low, the output drivers are enabled; when OE(ED2) is high, all output drivers are turned OFF (blanked). Also, a control signal input for an Error Detection mode and Current Adjust mode). OE(ED2) has an internal pullup.
OUT0–OUT15 5-20 O Constant-current output pins
R-EXT 23 I Input pin used to connect an external resistor for setting up all output currents
SDI 2 I Serial-data input to the Shift register
SDO 22 O Serial-data output to the following SDI of next driver IC or to the microcontroller
VDD 24 I Supply voltage pin
Thermal Pad - - Thermal pad (exposed center pad) to alleviate thermal stress. Tie to GND. See Layout Guidelines for more information. (PWP package only)
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