TLC5902_05 Datasheet, PDF (4/23 Pages) Texas Instruments – LED DRIVER

TLC5902
LED DRIVER
SLLS382 – DECEMBER 1999
functional block diagram for shift register and data latch
BC_ENA
1 × 8 Bits Shift Register
(Brightness Control)
1 × 8 Bits Latch
(Brightness Control)
To
8 Bits Gray Scale Counter
Current Reference
Circuitry
DIN(0–7)
RSEL
ENABLE
DCLK
DCLK
Controller
16 × 8 Bits
Shift Register
(Gray Scale Data))
Q0
Q7 Q15
MODE
LATCH
16 × 8 Bits
Data Latch
(Gray Scale Data))
Q0
Q15
Comparator
Comparator
Constant Current Driver
Control Line
Data (8 Bits)
Comparator
DOUT(0–7)
4
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