TLC59711 12-Channel, 16-Bit, ES-PWM RGB LED Driver with 3.3V Linear Regulator and Watchdog Timer | TI.com

TLC59711
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12-Channel, 16-Bit, ES-PWM RGB LED Driver with 3.3V Linear Regulator and Watchdog Timer

 

Description

The TLC59711 is a 12-channel, constant-current sink driver. Each output channel has individually adjustable currents with 65536 PWM grayscale (GS) steps. Also, each color group can be controlled by 128 constant-current sink steps with the global brightness control (BC) function. GS control and BC are accessible via a two-wire signal interface. The maximum current value for each channel is set by a single external resistor. All constant-current outputs are turned off when the IC is in an over-temperature condition.

Features

  • 12 Constant-Current Sink Output Channels
  • Current Capability: 60 mA per channel
  • Grayscale (GS) Control with Enhanced Spectrum PWM:
    16-bit (65536 steps)
  • Global Brightness Control (BC):
    7-bit (128 steps) for each color group
  • Power-Supply Voltage Range:
    Internal linear regulator: 4.0 V to 17 V
    Direct power supply: 3.0 V to 5.5 V
  • LED Supply Voltage: Up to 17 V
  • Constant-Current Accuracy:
    • Channel-to-Channel = ±1% (typ), ±3% (max)
    • Device-to-Device = ±1% (typ), ±4% (max)
  • Data Transfer Rate: 10 MHz (cascading)
  • Linear Voltage Regulator: 3.3 V
  • Auto Display Repeat Function
  • Display Timing Reset Function
  • Internal/External Selectable GS Clock
  • Thermal Shutdown (TSD) with Auto Restart
  • Unlimited Device Cascading
  • Watchdog Timer for External Clock Failure
  • Operating Temperature Range: –40°C to +85°C

Parametrics

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Part number Order Features Analog dimming steps Data transfer rate (Typ) (MHz) Ch to ch accuracy (Typ) (+/- %) Package Group Package size: mm2:W x L (PKG) Rating Operating temperature range (C)
TLC59711 Order now DC/DC
Error Flag
Fault Detection
Internal GS Clock
LED Open Detection
One Wire Interface
PWM LED Driver
Power Good
Shunt Regulator
Thermal Shutdown    
128     10     1     HTSSOP | 20     20HTSSOP: 42 mm2: 6.4 x 6.5 (HTSSOP | 20)     Catalog     -40 to 85    
TLC5971 Order now Error Flag
Fault Detection
Internal GS Clock
LED Open Detection
PWM LED Driver
Power Good
Thermal Shutdown    
128     20     1     HTSSOP | 20
VQFN | 24    
20HTSSOP: 42 mm2: 6.4 x 6.5 (HTSSOP | 20)
24VQFN: 16 mm2: 4 x 4 (VQFN | 24)    
Catalog     -40 to 85