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TLC5927-Q1 Datasheet(PDF) 3 Page - Texas Instruments |
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TLC5927-Q1 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 36 page  1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 GND SDI CLK LE(ED1) OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 VDD R-EXT SDO OE(ED2) OUT15 OUT14 OUT13 OUT12 OUT11 OUT10 OUT9 OUT8 TLC5926-Q1, TLC5927-Q1 www.ti.com SLVS973A – SEPTEMBER 2009 – REVISED JULY 2015 5 Device Comparison Table OPEN-LOAD SHORT TO GND SHORT TO VLED DEVICE(1) DETECTION DETECTION DETECTION TLC5926-Q1 x x TLC5927-Q1 x x x (1) The device has one single error register for all these conditions (one error bit per channel) 6 Pin Configuration and Functions PWP Package 24-Pin HTSSOP With PowerPAD™ Top View NOTE: The exposed thermal pad should be connected to ground in all applications. Pin Functions PIN I/O DESCRIPTION NAME NO. CLK 3 I Clock input for data shift on rising edge GND 1 — Ground for control logic and current sink Data strobe input Serial data is transferred to the respective latch when LE(ED1) is high. The data is latched when LE(ED1) 4 I LE(ED1) goes low. Also, a control signal input for an Error Detection mode and Current Adjust mode (See Timing Diagram). LE(ED1) has an internal pulldown. Output enable. When OE (ED2)(active) is low, the output drivers are enabled; when OE(ED2) is high, all OE(ED2) 21 I output drivers are turned OFF (blanked). Also, a control signal input for an Error Detection mode and Current Adjust mode (See Device Functional Modes). OE(ED2) has an internal pullup. 15, 16, OUT0–OUT 17, 18, O Constant-current output 15 19, 20 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 Exposed — Connect to GND. The thermal pad should be soldered to ground in all applications. Thermal PAD(1) (1) The exposed Thermal PAD should be connected to ground in all applications. Copyright © 2009–2015, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: TLC5926-Q1 TLC5927-Q1 |
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