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DATA SHEET
TLC6984 48 Current Sources, 64 Scans, Common Cathode Matrix LED Display Driver
1 Features
- Separated VCC and VR/G/B power supply
- VCC voltage range: 2.5 V – 5.5 V
- VR/G/B voltage range: 2.5 V – 5.5 V
- 48 current source channels from 0.2 mA to 20 mA
- Channel-to-channel accuracy: ±0.5% (typ.), ±2% (max.); device-to-device accuracy: ±0.5% (typ.), ±2% (max.)
- Low knee voltage: 0.26 V (max.) when IOUT = 5 mA
- 3-bits (8 steps) global brightness control
- 8-bits (256 steps) color brightness control
- Maximum 16-bits (65536 steps) PWM grayscale control
- 16 scan line switches with 190-mΩ RDS(ON)
- Ultra low power consumption
- Independent VCC down to 2.5 V
- Lowest ICC down to 3.6 mA with 50-MHz GCLK
- Intelligent power saving mode with ICC down to 0.9mA
- Built-in SRAM to support 1 – 64 multiplexing
- Single device with 16 multiplexing to support 48 × 16 LEDs or 16 × 16 RGB pixels
- Dual devices stackable with 32 multiplexing to support 96 × 32 LEDs or 32 × 32 RGB pixels
- Three devices stackable with 48 multiplexing to
support 144 × 48 LEDs or 48 × 48 RGB pixels
- Four devices stackable with 64 multiplexing to
support 192 × 64 LEDs or 64 × 64 RGB pixels
- High speed and low EMI Continuous Clock Series Interface (CCSI)
- Only three wires: SCLK / SIN / SOUT
- External 25-MHz (max.) SCLK with dual-edge transmission mechanism (internal 50 MHz)
- Internal frequency multiplier to support high GCLK
frequency
- Optimized display performance
- Programmable scan line sequence
- Upside and downside ghosting removal
- Low grayscale enhancement
- LED open, short, and weak short detection and removal