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TLC5921

Texas Instruments
Part Number TLC5921
Manufacturer Texas Instruments
Description LED DRIVER
Published Oct 1, 2019
Detailed Description TLC5921 LED DRIVER D Drive Capability and Output Counts – 80 mA (Current Sink) x 16 Bits D Constant Current Output Rang...
Datasheet PDF File TLC5921 PDF File

TLC5921
TLC5921

Overview
TLC5921 LED DRIVER D Drive Capability and Output Counts – 80 mA (Current Sink) x 16 Bits D Constant Current Output Range – 1 to 80 mA (Current Value Setting for All Output Terminals Using External Resistor) D Constant Current Accuracy – ± 1% (Typ) – ± 4% (Max) (Maximum Error Between Bits, All Bits On) D Voltage Applied to Constant Current Output Terminal – Minimum 0.
6 V (Output Current 40 mA) – Minimum 1 V (Output Current 80 mA) D Data Input – Clock Synchronized 1 Bit Serial Input D Data Output – Clock Synchronized 1 bit Serial Output (With Timing Selection) D Input/Output Signal Level .
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CMOS Level D Power Supply Voltage .
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4.
5 V to 5.
5V D Maximum Output Voltage .
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17 V (Max) D Data Transfer Rate .
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20 MHz (Max) D Operating Free-Air Temperature Range –20°C to 85°C D Available in 32 Pin HTSSOP DAP Package (PD=3.
9 W, TA = 25°C) D LOD Function .
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LED Open Detection (Error Signal Output at LED Disconnection) D TSD Function .
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Thermal Shutdown (Turn Output Off When Junction Temperature Exceeds Limit) SLLS390 – SEPTEMBER 1999 DAP PACKAGE (TOP VIEW) GND BLANK XLAT SCLK SIN PGND OUT0 OUT1 PGND OUT2 OUT3 OUT4 OUT5 PGND OUT6 OUT7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 VCC 31 IREF 30 SOMODE 29 XDOWN 28 SOUT 27 PGND 26 OUT15 25 OUT14 24 PGND 23 OUT13 22 OUT12 21 OUT11 20 OUT10 19 PGND 18 OUT9 17 OUT8 description The TLC5921 is a current-sink constant current driver incorporating shift register and data latch.
The current value at constant current output can be set by one external register.
The device also incorporates thermal shutdown (TSD) circuitry which turns constant current output off when the junction temperature exceeds the limit, and LED open detection (LOD) circuitry to report the LED was disconnected.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA ...


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