. . .
VLED
GND
SDO
R-EXT
VDD
LE
CLK
SDI
LE
CLK
OE
OE
SDI
Controller
OUT0
. . .
3.0V to 5.5V
OUT1
OUT6
OUT7
TLC5917
To Controller if Error
Detection Used
SLVS695D – JUNE 2007 – REVISED JANUARY 2015
TLC591x 8-Channel Constant-Current LED Sink Drivers
1 Features
3 Description
The TLC591x Constant-Current LED Sink Drivers are
1
•
Eight Constant-Current Output Channels
designed to work alone or cascaded. Since each
•
Output Current Adjusted Through Single External
output is independently controlled, they can be
Resistor
programmed to be on or off by the user. The high
•
Constant Output Current Range: 3-mA to 120-mA
LED voltage (VLED) allows for the use of a single
LED per output or multiple LEDs on a single string.
per Channel
With independently controlled outputs supplied with
•
Constant Output Current Invariant to Load Voltage
constant current, the LEDs can be combined in
Change
parallel to create higher currents on a single string.
•
Open Load, Short Load and Overtemperature
The constant sink current for all channels is set
Detection
through
a
single
external
resistor.
This
allows
different LED drivers in the same application to sink
•
256-Step Programmable Global Current Gain
various
currents
which
provides
optional
•
Excellent Output Current Accuracy:
implementation of multi-color LEDs. An additional
–
Between Channels: < ±3% (Maximum)
advantage of the independent outputs is the ability to
–
Between ICs: < ±6% (Maximum)
leave unused channels floating. The flexibility of the
TLC591x LED drivers is ideal for applications such as
•
Fast Response of Output Current
(but not limited to): 7-segment displays, scrolling
•
30-MHz Clock Frequency
single color displays, gaming machines, white goods,
•
Schmitt-Trigger Input
video billboards and video panels.
•
3.3-V or 5-V Supply Voltage
Device Information
•
Maximum LED Voltage 20-V
PART NUMBER
PACKAGE
BODY SIZE (NOM)
•
Thermal Shutdown for Overtemperature
SOIC (16)
9.90 mm × 3.91 mm
Protection
TLC5916
PDIP (16)
19.30 mm × 6.35 mm
TSSOP (16)
5.00 mm × 4.40 mm
2 Applications
SOIC (16)
9.90 mm × 3.91 mm
•
General LED Lighting Applications
TLC5917
PDIP (16)
19.30 mm × 6.35 mm
•
LED Display Systems
TSSOP (16)
5.00 mm × 4.40 mm
•
LED Signage
(1) For all available packages, see the orderable addendum at
•
Automotive LED Lighting
the end of the datasheet.
•
White Goods
•
Gaming Machines/Entertainment
Single Implementation of TLC5916 / TLC5917 Device
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
