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LP5890 Datasheet(PDF) 20 Page - Texas Instruments

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Part # LP5890
Description  LP5890 16 횞 48 LED Matrix Driver With Ultra-low Power
PDF  72 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP5890 Datasheet(HTML) 20 Page - Texas Instruments

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Figure 8-7. Steps to Read LED Open Information
8.3.5.3.3 LED Open Caterpillar Removal
Figure 8-8 shows the caterpillar issue caused by open LED. Suppose the LED0-1 is an open LED. When line0 is
chosen and the OUT1 is turned on, the OUT1 voltage will be forced to approach to VLED because of the broken
path of the current source. However, the voltage of the un-chosen lines are below the Vclamp which is much
lower than VLED, causing all LEDs which connect to the channel OUT1 light unwanted.
LP5890
SLVSGD5 – JULY 2021
www.ti.com
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Product Folder Links: LP5890



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