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TLC5911PZP Fiches technique(PDF) 2 Page - Texas Instruments |
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TLC5911PZP Fiches technique(HTML) 2 Page - Texas Instruments |
2 / 30 page TLC5911 LED DRIVER SLLS402 – DECEMBER 1999 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description The TLC5911 is a constant current driver incorporating shift register, data latch, and constant current circuitry with a current value adjustable, PLL circuitry for gray scale control clock generation, and 1024 gray scale display using pulse width control. The output current is maximum 80 mA with 16 bits, and the current value of constant current output can be set by one external resistor. The device has two channel I/O ports. The brightness deviation between LED modules (ICs) can be adjusted by external data input from the display data port, and the brightness control for the panel can be accomplished by the brightness adjustment circuitry. Independent of these functions, the device incorporates the shift register and data latch to correct the deviation between LEDs by adjusting the output current using data from the dot correction data port. Moreover, the device incorporates WDT circuitry, which turns constant current output off when the scan signal stops during the dynamic scanning operation, and TSD circuitry, which turns constant current output off when the junction temperature exceeds the limit. Also the LED open detection (LOD) circuitry is used to make error signal output at the LED disconnection. pin assignments 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 OUT7 PZP PACKAGE (TOP VIEW) VCOIN RBIAS MAG0 MAG1 MAG2 PDOUT GSPOL GSCLK BLANK XENABLE XOE DCLK XLATCH DCCLK XDCLAT RSEL0 RSEL1 LEDCHK NC WDTRG XDOWN1 XDOWN2 BOUT XGSOUT XPOUT GNDLED OUT8 OUT9 GNDLED OUT10 OUT11 GNDLED OUT12 OUT13 GNDLED OUT14 OUT15 GNDLED OUT6 GNDLED OUT5 OUT4 GNDLED OUT3 OUT2 GNDLED OUT1 OUT0 GNDLED |
Numéro de pièce similaire - TLC5911PZP |
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Description similaire - TLC5911PZP |
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