TLC5955 Datasheet, PDF (40/53 Pages) Texas Instruments – TLC5955 48-Channel, 16-Bit, PWM LED Driver with DC, BC, LED Open-Short Detection, and Internal Current Setting

TLC5955
SBVS237 – MARCH 2014
9.2.1.3 Application Curves
One LED connected to each output.
Ch1: VCC (2 V/div)
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Ch1: VCC (2 V/div)
Ch2: VLED (2 V/div)
Ch2: VLED (2 V/div)
Ch3: VOUTB0 (1 V/div, Blue LED Connected)
Ch3: VOUTB0 (1 V/div, Blue LED Connected)
Ch4: LAT (5 V/div)
Ch4: LAT (5 V/div)
Time (40 ns/div)
MCX = 4
BCX = DCXn = 7Fh
V_LED = 4.2 V
V_CC = 3.3 V
TMGRST, RFRESH, ESPWM, LSDVLT = 0
GSCLK = 33 MHz
DSPRPT = 1
Figure 34. Output Waveform Immediately After First GS
Data Latch Input (GSXn = 0001h)
Time (400 s/div)
MCX = 4
BCX = DCXn = 7Fh
V_LED = 4.2 V
V_CC = 3.3 V
TMGRST, RFRESH, ESPWM, LSDVLT = 0
GSCLK = 33 MHz
DSPRPT = 1
Figure 35. Output Waveform Immediately After First GS
Data Latch Input (GSXn = 7FFFh)
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