TLC5955
TLC5955 is 48-Channel 16-Bit PWM LED Driver manufactured by Texas Instruments.
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SBVS237
- MARCH 2014
TLC5955 48-Channel, 16-Bit, PWM LED Driver with DC, BC, LED Open-Short Detection, and Internal Current Setting
1 Features
- 1 48 Constant-Current Sink Output Channels
- Sink Current Capability with Maximum MC, DC, and BC Data:
- 23.9 m A (VCC ≤ 3.6 V, MC = 5)
- 31.9 m A (VCC > 3.6 V, MC = 7)
- Grayscale (GS) Control:
- 16-Bit (65,536 Steps) with Enhanced Spectrum or Conventional PWM
- Maximum Current (MC) Control:
- 3 Bits (8 Steps) with a 3-m A to 30-m A Range
- 3 MC Sets for Each Color Group
- Dot Correction (DC) Control:
- 7 Bits (128 Steps) with a 26.2% to 100%
Range
- Global Brightness Control (BC):
- 7 Bits (128 Steps) with a 10% to 100% Range
- 3 BC Sets for Each Color Group
- LED Power-Supply Voltage: Up to 10 V
- VCC: 3.0 V to 5.5 V
- Constant-Current Accuracy:
- Channel-to-Channel: ±2% (typ), ±5% (max)
- Device-to-Device: ±2% (typ), ±4% (max)
- Data Transfer Rate: 25...
