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16 Channel Constant Current LED Driver with Pre-Charge FET

Availability: 4,522


Package | PIN: SSOP (DBQ) | 24
Temp: I (-40 to 85)
Carrier: Cut Tape
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1-9 $1.02
10-24 $0.91
25-99 $0.85
100-249 $0.74
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1,000+ $0.43


  • 16-Channel, Constant-Current Sink Output with On and Off Control
  • Constant-Current Sink Capability:
    35 mA (VCC ≤ 3.6 V), 45 mA (VCC > 3.6 V)
  • LED Power-Supply Voltage: Up to 10 V
  • VCC = 3 V to 5.5 V
  • Constant-Current Accuracy:
    • Channel-to-Channel:
      ±1.4% (typ), ±3% (max)
    • Device-to-Device: ±2% (typ), ±4% (max)
  • CMOS Logic Level I/O
  • Data Transfer Rate: 35 MHz
  • BLANK Pulse Width: 50 ns
  • Pre-Charge FET for Ghosting Reduction
  • Grouped Switching Delay for Noise Reduction
  • Operating Temperature: –40°C to +85°C

Texas Instruments  TLC59283DBQR

The TLC59283 is a 16-channel, constant-current sink light-emitting diode (LED) driver. Each channel can be individually controlled with a simple serial communications protocol that is compatible with 3.3-V or 5-V CMOS logic levels, depending on the operating VCC. When the serial data buffer is loaded, a LAT rising edge transfers the data to the OUT outputs. The BLANK pin can be used to turn off all OUT outputs during power-on and output data latching to prevent unwanted image displays during these times. The constant-current value of all 16 channels is set by a single external resistor.

Each constant-current output has a pre-charge field-effect transistor (FET) that can reduce ghosting on the multiplexing (dynamic) drive LED display. Multiple TLC59283s can be cascaded together to control additional LEDs from the same processor.