TLC5971_15 Datasheet, PDF (31/45 Pages) Texas Instruments – 12-Channel, 16-Bit, Enhanced Spectrum, PWM, RGB, LED Driver

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9.3 System Examples
Power
Supply
(3 V to 5.5 V)
VCC
GND
Device
GND
VCC
VREG
OUTR0
IREF
OUTG0
Optional
TLC5971
SBVS146D – AUGUST 2010 – REVISED DECEMBER 2015
Device
GND
VCC
VREG
OUTR0
IREF
OUTG0
Optional
VCC
(1)
Controller
DATA
CLK
GND
SDTI
SCKI
OUTG3
OUTB3
SDTO
SCKO
SDTI
SCKI
OUTG3
OUTB3
SDTO
SCKO
(1) The output operating voltage range is from 0 V to VCC.
Figure 38. Typical Application Circuit Example (Direct Power Supplying V_CC = 3 V to 5.5 V)
Power
Supply
(15 V)
VLED
GND
Power
Supply
(3 V to 5.5 V)
VCC
GND
Device
GND
VCC
VREG
OUTR0
IREF
OUTG0
Optional
Device
GND
VCC
VREG
OUTR0
IREF
OUTG0
VCC
(1)
Controller
DATA
CLK
GND
SDTI
SCKI
OUTG3
OUTB3
SDTO
SCKO
SDTI
SCKI
OUTG3
OUTB3
SDTO
SCKO
(1) The output operating voltage range is from 0 V to VCC.
Figure 39. Typical Application Circuit Example
(Direct Power Supplying V_CC = 3 V to 5.5 V, V_LED = 15 V)
Optional
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