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TLC59283

Texas Instruments
Part Number TLC59283
Manufacturer Texas Instruments
Description 16-Channel Constant-Current LED Driver
Published Oct 1, 2019
Detailed Description TLC59283 www.ti.com SBVS199B – JUNE 2012 – REVISED OCTOBER 2012 16-Channel, Constant-Current LED Driver with Pre-Char...
Datasheet PDF File TLC59283 PDF File

TLC59283
TLC59283

Overview
TLC59283 www.
ti.
com SBVS199B – JUNE 2012 – REVISED OCTOBER 2012 16-Channel, Constant-Current LED Driver with Pre-Charge FET Check for Samples: TLC59283 FEATURES 1 •2 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 APPLICATIONS • Video Displays • Message Boards DESCRIPTION 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 OUTn outputs.
The BLANK pin can be used to turn off all OUTn 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 fieldeffect 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.
VLED SW COMn + COMn VLED SW COM1 COM1 VLED SW COM0 COM0 ¼ COMSELn COMSEL1 COMSEL0 Controller DATA SCLK LAT BLANK RIREF OUT0 ¼ OUT15 SIN SOUT SCLK LAT BLANK VCC IREF Device 1 VCC GND RIREF OUT0 ¼ OUT15 SIN SOUT SCLK LAT BLANK VCC IREF Device n VCC GND 3 Typical Application Circuit (Multiple Daisy-Chained TLC59283s) 1 Please be aware that an important notice concerning availab...


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