DRIVER/CONTROLLER. TLC5920 Datasheet

TLC5920 Datasheet PDF


Part

TLC5920

Description

16x8 BIT LED DRIVER/CONTROLLER

Manufacture

etcTI

Page 15 Pages
Datasheet
Download TLC5920 Datasheet


TLC5920 Datasheet
D Drive Capability:
– Segment . . . 30 mA × 16 Bits
– Common . . . 640 mA
D Constant Current Output . . . 3 mA to 30 mA
(Current Value Setting for All Channels
Using External Resistor)
D Constant Current Accuracy ±6% (Maximum
Error Between Bits)
D Data Input: Clock Synchronized Serial Input
D LED Type Applied Cathode Common
D Logic Power Supply Voltage 4.5 V to 5.5 V
D LED Power Supply Voltage 4.5 V to 5.5 V
D Operating Frequency . . . 10 MHz
D Operating Free-Air Temperature Range
–20°C to 85°C
D 48-Pin SSOL Package
description
The TLC5920 is an LED driver incorporating a
16-channel shift register, data latch, and constant
current circuitry with current value control and
8-channel common driver into a single chip. The
constant output current is capable of 30 mA for 16
bits simultaneously, and the current value can be
set by one external register. This device also
includes a 16-bit segment driver and 8-bit
common driver; therefore, the monocolor LED
array with 16 × 8 dots can be driven by only one
TLC5920, and a two-color LED array with 16 x 16
dots can be driven by two TLC5920s.
TLC5920
16x8 BIT LED DRIVER/CONTROLLER
SLAS264A – MARCH 2000 REVISED SEPTEMBER 2002
DL PACKAGE
(TOP VIEW)
COM3
COM2
COM1
COM0
GNDLED
NC
NC
VLED
S0
S1
S2
S3
S4
S5
S6
S7
IREF
VLED
VANA
NC
GNDANA
S8
S9
S10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48 GNDLED
47 COM4
46 COM5
45 COM6
44 COM7
43 GNDLED
42 SIN
41 LATCH
40 SCLK
39 BLANK
38 CSEL0
37 GNDLOG
36 CSEL1
35 CSEL2
34 VLOG
33 DSEL
32 SOUT
31 VLED
30 DSEL
29 S15
28 S14
27 S13
26 S12
25 S11
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright 2002, Texas Instruments Incorporated
1

TLC5920 Datasheet
TLC5920
16x8 BIT LED DRIVER/CONTROLLER
SLAS264A MARCH 2000 REVISED SEPTEMBER 2002
functional block diagram
DSEL
BLANK
CSEL0
CSEL1
CSEL2
SIN
SCLK
LATCH
IREF
3 TO 8
Decoder
Common
Driver
16 bits
Shift Register
16 bits
Data Latch
Segment Driver
and
Current Control
S0 S15
DSEL
COM0
COM7
SOUT
2 POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Features Datasheet pdf D Drive Capability: – Segment . . . 30 mA × 16 Bits – Common . . . 640 mA D Constant Current Output . . . 3 mA to 30 mA (Current Value Setting for All C hannels Using External Resistor) D Cons tant Current Accuracy ±6% (Maximum Err or Between Bits) D Data Input: Clock Sy nchronized Serial Input D LED Type Appl ied Cathode Common D Logic Power Supply Voltage 4.5 V to 5.5 V D LED Power Sup ply Voltage 4.5 V to 5.5 V D Operating Frequency . . . 10 MHz D Operating Free -Air Temperature Range –20°C to 85° C D 48-Pin SSOL Package description The TLC5920 is an LED driver incorporating a 16-channel shift register, data latc h, and constant current circuitry with current value control and 8-channel com mon driver into a single chip. The cons tant output current is capable of 30 mA for 16 bits simultaneously, and the cu rrent value can be set by one external register. This device also includes a 1 6-bit segment driver and 8-bit common d river; therefore, the monocolor LED array with 16 × 8 dots can be driven .
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