Texas Instruments TLC6984 User manual

User’s Guide

TLC6984 48 × 16 Common Cathode Matrix LED Display

Driver Evaluation Module

ABSTRACT

This user’s guide describes the TLC6984 evaluation module used as a reference for engineering demonstration

and evaluation. Included in this user’s guide are setup instructions, a schematic diagram, printed board (PCB)

layout, and a bill of materials (BOM).

Table of Contents

1 Introduction.............................................................................................................................................................................2

1.1 Features............................................................................................................................................................................. 2

1.2 Applications........................................................................................................................................................................2

2 Test Setup and Results.......................................................................................................................................................... 3

2.1 TLC6984 EVM Board......................................................................................................................................................... 3

2.2 Connectors.........................................................................................................................................................................4

2.3 Jumpers..............................................................................................................................................................................4

3 Test Setup................................................................................................................................................................................5

4 Board Layout...........................................................................................................................................................................6

5 Schematics and Bill of Materials...........................................................................................................................................7

5.1 Schematics.........................................................................................................................................................................7

5.2 Bill of Materials.................................................................................................................................................................10

List of Figures

Figure 2-1. Driver IC Side of the TLC6984EVM Board................................................................................................................3

Figure 3-1. TLC6984EVM and MSP430F5529 LaunchPad™ Connector Pinout......................................................................... 5

Figure 4-1. TLC6984EVM Layout................................................................................................................................................ 6

Figure 5-1. TLC6984EVM Schematic (1 of 3)..............................................................................................................................7

Figure 5-2. TLC6984EVM Schematic (2 of 3)..............................................................................................................................8

Figure 5-3. TLC6984EVM Schematic (3 of 3)..............................................................................................................................9

List of Tables

Table 3-1. TLC6984EVM Parameters..........................................................................................................................................5

Table 5-1. TLC6984 EVM Bill of Materials................................................................................................................................. 10

Trademarks

LaunchPad™ is a trademark of Texas Instruments.

All trademarks are the property of their respective owners.

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1 Introduction

1.1 Features

The TLC6984 is a highly integrated, common cathode matrix LED display driver with 48 constant current

sources and 16 scanning FETs. One TLC6984 is capable of driving 16 × 16 RGB LED pixels, while stacking

two TLC6984s can drive 32 × 32 RGB LED pixels, three TLC6984s are capable of driving 48 × 48 RGB LED

pixels, and stacking four TLC6984s can drive 64 × 64 RGB LED pixels. To achieve low power consumption, the

device supports separated power supplies for the red, green, and blue LEDs by its common cathode structure.

Furthermore, the operation power of the TLC6984 is significantly reduced by ultra-low operation voltage range

(Vcc down to 2.5 V) and ultra-low operation current (Icc down to 3.6 mA).

The TLC6984 implements a high speed, dual-edge transmission interface to support high device count daisy-

chained and high refresh rate while minimizing electrical-magnetic interference (EMI). The device supports up

to 25-MHz SCLK (external) and up to 160-MHz GCLK (internal). Meanwhile, the device integrates enhanced

circuits and intelligent algorithms to solve the various display challenges in Narrow Pixel Pitch (NPP) LED

display applications and mini and micro-LED products. The display challenges are dim at the fist scan line, upper

and downside ghosting, non-uniformity in low gray scale, coupling, caterpillar caused by open or short LEDs,

which make the TLC6984 a perfect choice in such applications.

The TLC6984 also implements LED open and weak, short and short detections and removals during operations

and can also report this information out to the accompanying digital processor.

1.2 Applications

The TLC6984 EVM can be used as a basic function evaluation module for the following applications:

• Narrow Pixel Pitch (NPP) LED display

• Mini and micro-LED products

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2 Test Setup and Results

This section describes the TLC6984EVM connections, test points, and jumpers.

2.1 TLC6984 EVM Board

Figure 2-1 shows the image of the driver IC side of the TLC6984EVM board.

Figure 2-1. Driver IC Side of the TLC6984EVM Board

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2.2 Connectors

The TLC6984EVM has the following connectors:

• TP1 (+5 V): input power supply for VLEDG/VLEDB and DC/DC

• TP2 (GND): supply ground

• J1, J2: boosterpack connectors for connecting with the MSP430F5529 LaunchPad™

• J3: mini-USB connector for 5-V power input

2.3 Jumpers

The TLC6984EVM has the following jumpers:

• J4 (5-V Jumper): input 5-V power supply from J3 or J1/J2

• J4 (3V3 Jumper): input 3V3 power supply from J3 (DC/DC) or J1/J2

• J5: 3.3-V power supply from DC/DC

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3 Test Setup

Table 3-1 shows the typical parameters for TLC6984 EVM.

Table 3-1. TLC6984EVM Parameters

Parameter Value

VCC device supply voltage 2.5–5.5 V

VLEDR/G/B supply voltage 2.5–5.5 V

ICH constant output source current 0.2–20 mA

The TLC6984EVM can be setup and tested by following these steps:

1. USB power supply

a. Download the code to MSP430F5529 LaunchPad with TI CCS software.

b. Connect boosterpack connectors (J1, J2 on EVM board) with the MSP430F5529 LaunchPad. Figure 3-1

shows the connection method.

c. Disconnect J4 jumpers (5 V/ 3V3) block, connect J5 jumper, and connect J3 with the mini-USB cable

(the same cable with the MSP430F5529 LaunchPad).

2. External power supply

a. Download the code to MSP430F5529 LaunchPad with TI CCS software.

b. Connect boosterpack connectors (J1, J2 on EVM board) with the MSP430F5529 LaunchPad. Figure 3-1

shows the connection method.

c. Disconnect J4 jumpers (5 V/ 3V3), connect J5 jumper, and connect TP1/TP2 to 5V/GND power source.

d. Power on 5 V/GND power supply.

Figure 3-1. TLC6984EVM and MSP430F5529 LaunchPad™ Connector Pinout

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4 Board Layout

Figure 4-1 illustrates the EVM Board Layout.

Figure 4-1. TLC6984EVM Layout

Board Layout www.ti.com

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5 Schematics and Bill of Materials

5.1 Schematics

EVM schematics are shown as below.

VBUS

D-

D+

GND

11 10

13 12

ZX62R-B-5P(30)

AGND

UCB2SIMO

UCB2SOMI

UCB2CLK

AGND

10V

1µF

10V

1µF

7.87k

AGND

SCLK

UCB0SIMO

SOUT1

3V3

1 2

3 4

5 6

7 8

9 10

11 12

13 14

TSM-110-01-L-DV

1 2

3 4

5 6

7 8

9 10

11 12

13 14

TSM-110-01-L-DV

3V3 5V

AGND

SCLK

UCB0SIMO

UCB0SOMI

UCB2SOMI UCB2SIMO

UCB2CLK

L00

L01

L02

L03

L04

L05

L06

L07

L08

L09

L10

L11

L12

L13

L14

L15

L16

L17

L18

L19

L20

L21

L22

L23

L24

L25

L26

L27

L28

L29

L30

L31

R00

R01

R03

R04

R05

R06

R07

R09

R10

R11

R02

R12

R13

R14

R15

G00

G01

G03

G04

G02

B00

B01

B03

B04

B02

G05

G06

G07

B05

B06

B07

G08

G09

G10

B09

B10

G11

G12

G13

G14

G15

B11

B12

B13

B14

B15

R16

R17

R19

R20

R21

R22

R28

R29

R30

R31

R23

R27

R18

G16

G17

G19

G20

G18

B16

B17

B19

B20

B18

G21

G22

G23

B21

B22

B23

G28

G29

G30

G31

G27

B28

B29

B30

B31

B27

AGND

3V3-1

10V

10uF

10V

4.7uF

C10

P3.0---SIN

P2.4---SCLK

P3.1---SOUT

FB 3

GND 4

SW 5

VIN

TPS62825DMQT

100k

470nH

51.7k

226k

AGND

50V

120pF

C11

TP1

1503-2

TP2

1503-2

AGND

10V

10uF

10V

10uF

AGND

10V

1µF

10V

1µF

7.87k

AGND

3V3

10V

10uF

10V

10uF

AGND

UCB0SOMI

R24

G24

B24

R25

G25

B25

R26

G26

B26

R08

B08

1 2

3 4

TSM-102-01-L-DV

Line0 76

Line1 75

Line2 74

Line3 73

Line4 72

Line5 71

Line6 70

Line7 69

Line8 68

Line9 67

Line10 66

Line11 65

Line12 64

Line13 63

Line14 62

Line15 61

U1D

TLC6984RRF

B8 30

B9 33

B10 36

B11 39

B12 42

B13 45

B14 52

B15 55

G8 31

G9 34

G10 37

G11 40

G12 43

G13 46

G14 53

G15 56

R8 32

R9 35

R10 38

R11 41

R12 44

R13 47

R14 54

R15 57

U2C

TLC6984RRF

Line0 76

Line1 75

Line2 74

Line3 73

Line4 72

Line5 71

Line6 70

Line7 69

Line8 68

Line9 67

Line10 66

Line11 65

Line12 64

Line13 63

Line14 62

Line15 61

U2D

TLC6984RRF

VCC

IREF

SCLK

SIN

SOUT

58 GND 7

GND 77

U1A

TLC6984RRF

B0 3

B1 6

B2 13

B3 16

B4 19

B5 23

B6 26

B7 29

G0 2

G1 5

G2 12

G3 15

G4 18

G5 22

G6 25

G7 28

R0 1

R1 4

R2 11

R3 14

R4 17

R5 21

R6 24

R7 27

U1B

TLC6984RRF

B8 30

B9 33

B10 36

B11 39

B12 42

B13 45

B14 52

B15 55

G8 31

G9 34

G10 37

G11 40

G12 43

G13 46

G14 53

G15 56

R8 32

R9 35

R10 38

R11 41

R12 44

R13 47

R14 54

R15 57

U1C

TLC6984RRF

VCC

IREF

SCLK

SIN

SOUT

58 GND 7

GND 77

U2A

TLC6984RRF

SOUT1

B0 3

B1 6

B2 13

B3 16

B4 19

B5 23

B6 26

B7 29

G0 2

G1 5

G2 12

G3 15

G4 18

G5 22

G6 25

G7 28

R0 1

R1 4

R2 11

R3 14

R4 17

R5 21

R6 24

R7 27

U2B

TLC6984RRF

SCLK

TSM-102-03-T-SV

3V3

Figure 5-1. TLC6984EVM Schematic (1 of 3)

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TLC6984 48 × 16 Common Cathode Matrix LED Display Driver Evaluation

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D1(D1_M0, ...)

EAST1616RGBA8

D2 (D2_M0,...)

EAST1616RGBA8

D3 (D3_M0,...)

EAST1616RGBA8

D4 (D4_M0,...)

EAST1616RGBA8

D5 (D5_M0,...)

EAST1616RGBA8

D6 (D6_M0,...)

EAST1616RGBA8

D7 (D7_M0,...)

EAST1616RGBA8

D8 (D8_M0,...)

EAST1616RGBA8

D9 (D9_M0,...)

EAST1616RGBA8

D10 (D10_M0, ...)

EAST1616RGBA8

D11(D11_M0, ...)

EAST1616RGBA8

D12 (D12_M0,...)

EAST1616RGBA8

D13 (D13_M0, ...)

EAST1616RGBA8

D14 (D14_M0,...)

EAST1616RGBA8

D15 (D15_M0,...)

EAST1616RGBA8

D16 (D16_M0, ...)

EAST1616RGBA8

Green0

Green1

Green2

Green3

Green4

Green5

Green6

Green7

Green8

Green9

Green10

Green11

Green12

Green13

Green14

Green15

Red0

Red1

Red2

Red3

Red4

Red5

Red6

Red7

Red8

Red9

Red10

Red11

Red12

Red13

Red14

Red15

Blue0

Blue1

Blue2

Blue3

Blue4

Blue5

Blue6

Blue7

Blue8

Blue9

Blue10

Blue11

Blue12

Blue13

Blue14

Blue15

D17 (D17_M0,...)

EAST1616RGBA8

D18 (D18_M0,...)

EAST1616RGBA8

D19 (D19_M0,...)

EAST1616RGBA8

D20 (D20_M0,...)

EAST1616RGBA8

D21(D21_M0, ...)

EAST1616RGBA8

D22 (D22_M0,...)

EAST1616RGBA8

D23 (D23_M0,...)

EAST1616RGBA8

D24 (D24_M0,...)

EAST1616RGBA8

D25 (D25_M0,...)

EAST1616RGBA8

D26 (D26_M0, ...)

EAST1616RGBA8

D27 (D27_M0,...)

EAST1616RGBA8

D28 (D28_M0,...)

EAST1616RGBA8

D29 (D29_M0, ...)

EAST1616RGBA8

D30 (D30_M0,...)

EAST1616RGBA8

D31(D31_M0, ...)

EAST1616RGBA8

D32 (D32_M0, ...)

EAST1616RGBA8

D33 (D33_M0,...)

EAST1616RGBA8

D34 (D34_M0,...)

EAST1616RGBA8

D35 (D35_M0,...)

EAST1616RGBA8

D36 (D36_M0,...)

EAST1616RGBA8

D37 (D37_M0,...)

EAST1616RGBA8

D38 (D38_M0,...)

EAST1616RGBA8

D39 (D39_M0,...)

EAST1616RGBA8

D40 (D40_M0,...)

EAST1616RGBA8

D41(D41_M0, ...)

EAST1616RGBA8

D42 (D42_M0, ...)

EAST1616RGBA8

D43 (D43_M0,...)

EAST1616RGBA8

D44 (D44_M0,...)

EAST1616RGBA8

D45 (D45_M0, ...)

EAST1616RGBA8

D46 (D46_M0,...)

EAST1616RGBA8

D47 (D47_M0,...)

EAST1616RGBA8

D48 (D48_M0, ...)

EAST1616RGBA8

D49 (D49_M0,...)

EAST1616RGBA8

D50 (D50_M0,...)

EAST1616RGBA8

D51(D51_M0, ...)

EAST1616RGBA8

D52 (D52_M0,...)

EAST1616RGBA8

D53 (D53_M0,...)

EAST1616RGBA8

D54 (D54_M0,...)

EAST1616RGBA8

D55 (D55_M0,...)

EAST1616RGBA8

D56 (D56_M0,...)

EAST1616RGBA8

D57 (D57_M0,...)

EAST1616RGBA8

D58 (D58_M0, ...)

EAST1616RGBA8

D59 (D59_M0,...)

EAST1616RGBA8

D60 (D60_M0,...)

EAST1616RGBA8

D61(D61_M0, ...)

EAST1616RGBA8

D62 (D62_M0,...)

EAST1616RGBA8

D63 (D63_M0,...)

EAST1616RGBA8

D64 (D64_M0, ...)

EAST1616RGBA8

D65 (D65_M0,...)

EAST1616RGBA8

D66 (D66_M0,...)

EAST1616RGBA8

D67 (D67_M0,...)

EAST1616RGBA8

D68 (D68_M0,...)

EAST1616RGBA8

D69 (D69_M0,...)

EAST1616RGBA8

D70 (D70_M0,...)

EAST1616RGBA8

D71(D71_M0, ...)

EAST1616RGBA8

D72 (D72_M0,...)

EAST1616RGBA8

D73 (D73_M0,...)

EAST1616RGBA8

D74 (D74_M0, ...)

EAST1616RGBA8

D75 (D75_M0,...)

EAST1616RGBA8

D76 (D76_M0,...)

EAST1616RGBA8

D77 (D77_M0, ...)

EAST1616RGBA8

D78 (D78_M0,...)

EAST1616RGBA8

D79 (D79_M0,...)

EAST1616RGBA8

D80 (D80_M0, ...)

EAST1616RGBA8

D81(D81_M0, ...)

EAST1616RGBA8

D82 (D82_M0,...)

EAST1616RGBA8

D83 (D83_M0,...)

EAST1616RGBA8

D84 (D84_M0,...)

EAST1616RGBA8

D85 (D85_M0,...)

EAST1616RGBA8

D86 (D86_M0,...)

EAST1616RGBA8

D87 (D87_M0,...)

EAST1616RGBA8

D88 (D88_M0,...)

EAST1616RGBA8

D89 (D89_M0,...)

EAST1616RGBA8

D90 (D90_M0, ...)

EAST1616RGBA8

D91(D91_M0, ...)

EAST1616RGBA8

D92 (D92_M0,...)

EAST1616RGBA8

D93 (D93_M0, ...)

EAST1616RGBA8

D94 (D94_M0,...)

EAST1616RGBA8

D95 (D95_M0,...)

EAST1616RGBA8

D96 (D96_M0, ...)

EAST1616RGBA8

D97 (D97_M0,...)

EAST1616RGBA8

D98 (D98_M0,...)

EAST1616RGBA8

D99 (D99_M0,...)

EAST1616RGBA8

D100 (D10 0_M0, ...)

EAST1616RGBA8

D101(D101_M0, ...)

EAST1616RGBA8

D102 (D102_M0, ...)

EAST1616RGBA8

D103 (D10 3_M0, ...)

EAST1616RGBA8

D104 (D104_M0,...)

EAST1616RGBA8

D105 (D105_M0,...)

EAST1616RGBA8

D106 (D106_M0,.. .)

EAST1616RGBA8

D107 (D107_M0,...)

EAST1616RGBA8

D108 (D108_M0,...)

EAST1616RGBA8

D109 (D10 9_M0, ...)

EAST1616RGBA8

D110 (D110_M0,...)

EAST1616RGBA8

D111(D111_M0, ...)

EAST1616RGBA8

D112 (D112_M0, ...)

EAST1616RGBA8

D113 (D11 3_M0, ...)

EAST1616RGBA8

D114 (D114_M0,...)

EAST1616RGBA8

D115 (D115_M0,...)

EAST1616RGBA8

D116 (D11 6_M0, ...)

EAST1616RGBA8

D117 (D117_M0,...)

EAST1616RGBA8

D118 (D118_M0,...)

EAST1616RGBA8

D119 (D11 9_M0, ...)

EAST1616RGBA8

D120 (D120_M0,...)

EAST1616RGBA8

D121(D121_M0, ...)

EAST1616RGBA8

D122 (D122_M0, ...)

EAST1616RGBA8

D123 (D123_M0,...)

EAST1616RGBA8

D124 (D124_M0,...)

EAST1616RGBA8

D125 (D125_M0, ...)

EAST1616RGBA8

D126 (D126_M0,...)

EAST1616RGBA8

D127 (D127_M0,...)

EAST1616RGBA8

D128 (D12 8_M0, ...)

EAST1616RGBA8

Line0

Line1

Line2

Line3

Line4

Line5

Line6

Line7

G10

G11

G12

G13

G14

G15

R10

R11

R12

R13

R14

R15

B10

B11

B12

B13

B14

B15

G10

G11

G12

G13

G14

G15

R10

R11

R12

R13

R14

R15

B10

B11

B12

B13

B14

B15

G10

G11

G12

G13

G14

G15

R10

R11

R12

R13

R14

R15

B10

B11

B12

B13

B14

B15

G10

G11

G12

G13

G14

G15

R10

R11

R12

R13

R14

R15

B10

B11

B12

B13

B14

B15

G10

G11

G12

G13

G14

G15

R10

R11

R12

R13

R14

R15

B10

B11

B12

B13

B14

B15

G10

G11

G12

G13

G14

G15

R10

R11

R12

R13

R14

R15

B10

B11

B12

B13

B14

B15

G10

G11

G12

G13

G14

G15

R10

R11

R12

R13

R14

R15

B10

B11

B12

B13

B14

B15

G10

G11

G12

G13

G14

G15

R10

R11

R12

R13

R14

R15

B10

B11

B12

B13

B14

B15

Figure 5-2. TLC6984EVM Schematic (2 of 3)

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L03

L12

L13

L11

L09

L10

L08

L29

L07

L02

L21

L14

L17

L26

L20

L19

L18

L24

L05

L15

L25

L31

L23

L01

L04

L00

L16

L27

L28

L06

L30

L22

G14

G00

R15

G05

R10

G13

R11

G08

G02

G03

G04

G07

R12

B15

R09

G10

R01

G06

R14

R07

B10

B14

R02

R04

B12

R05

B02

B05

B08

G12

B03

B00

B09

G09

G11

G01

R13

B04

R03

B13

B01

R00

R08

B07

G15

R06

B11

B06

G31

G27

B28

B29

B30

B31

B27

R24

R20

B21

R31

R17

G21

B20

G26

R26

G25

B18

G23

B22

G18

G20

R27

B16

B19

R23

R28

B26

G24

R29

R21

R22

R18

R19

G17

B24

G29

G16

R30

G19

B25

G30

B23

R16

R25

B17

G22

G28

Line7

Line2

Line1

Line4

Line3

Line5

Line6

Line0

Green11

Green8

Green6

Green4

Blue7

Blue9

Green3

Red12

Blue4

Green13

Blue15

Green1

Blue3

Red5

Blue13

Green14

Red1

Blue8

Blue11

Blue12

Red6

Red2

Green2

Red11

Red15

Red4

Blue5

Blue6

Red10

Red9

Green9

Red7

Red13

Blue0

Green15

Blue10

Red0

Green0

Red14

Blue1

Blue14

Blue2

Green10

Red3

Red8

Green5

Green7

Green12

TLC6984EVM_LEDsch.SchDoc

R10

R11

R12

R13

R14

R15

G10

G11

G12

G13

G14

G15

B10

B11

B12

B13

B14

B15

R10

R11

R12

R13

R14

R15

R16

R17

R18

R19

R20

R21

R22

R23

R24

R25

R26

R27

R28

R29

R30

R31

G10

G11

G12

G13

G14

G15

G16

G17

G18

G19

G20

G21

G22

G23

G24

G25

G26

G27

G28

G29

G30

G31

B10

B11

B12

B13

B14

B15

B16

B17

B18

B19

B20

B21

B22

B23

B24

B25

B26

B27

B28

B29

B30

B31

Line7

Line2

Line1

Line4

Line3

Line5

Line6

Line0

Green11

Green8

Green6

Green4

Blue7

Blue9

Green3

Red12

Blue4

Green13

Blue15

Green1

Blue3

Red5

Blue13

Green14

Red1

Blue8

Blue11

Blue12

Red6

Red2

Green2

Red11

Red15

Red4

Blue5

Blue6

Red10

Red9

Green9

Red7

Red13

Blue0

Green15

Blue10

Red0

Green0

Red14

Blue1

Blue14

Blue2

Green10

Red3

Red8

Green5

Green7

Green12

TLC6984EVM_LEDsch.SchDoc

R10

R11

R12

R13

R14

R15

G10

G11

G12

G13

G14

G15

B10

B11

B12

B13

B14

B15

Line7

Line2

Line1

Line4

Line3

Line5

Line6

Line0

Green11

Green8

Green6

Green4

Blue7

Blue9

Green3

Red12

Blue4

Green13

Blue15

Green1

Blue3

Red5

Blue13

Green14

Red1

Blue8

Blue11

Blue12

Red6

Red2

Green2

Red11

Red15

Red4

Blue5

Blue6

Red10

Red9

Green9

Red7

Red13

Blue0

Green15

Blue10

Red0

Green0

Red14

Blue1

Blue14

Blue2

Green10

Red3

Red8

Green5

Green7

Green12

TLC6984EVM_LEDsch.SchDoc

Line7

Line2

Line1

Line4

Line3

Line5

Line6

Line0

Green11

Green8

Green6

Green4

Blue7

Blue9

Green3

Red12

Blue4

Green13

Blue15

Green1

Blue3

Red5

Blue13

Green14

Red1

Blue8

Blue11

Blue12

Red6

Red2

Green2

Red11

Red15

Red4

Blue5

Blue6

Red10

Red9

Green9

Red7

Red13

Blue0

Green15

Blue10

Red0

Green0

Red14

Blue1

Blue14

Blue2

Green10

Red3

Red8

Green5

Green7

Green12

TLC6984EVM_LEDsch.SchDoc

R11

R16

R17

R18

R19

R20

R21

R22

R23

R24

R25

R26

R27

R28

R29

R30

R31

G14

G16

G17

G18

G19

G20

G21

G22

G23

G24

G25

G26

G27

G28

G29

G30

G31

B12

B16

B17

B18

B19

B20

B21

B22

B23

B24

B25

B26

B27

B28

B29

B30

B31

L01

L02

L03

L04

L05

L06

L07

L08

L09

L10

L11

L12

L13

L14

L15

L00

L01

L02

L03

L04

L05

L06

L07

L08

L09

L10

L11

L12

L13

L14

L15

L16

L17

L18

L19

L20

L21

L22

L23

L24

L25

L26

L27

L28

L29

L30

L31

Designator

TLC6984EVM_Hardware.SchDoc

B10

B15

R10

G10

G11

B11

R12

G12

R13

G13

B13

R14

B14

R15

G15

L24

L25

L26

L27

L28

L29

L30

L31

Line7

Line2

Line1

Line4

Line3

Line5

Line6

Line0

Green11

Green8

Green6

Green4

Blue7

Blue9

Green3

Red12

Blue4

Green13

Blue15

Green1

Blue3

Red5

Blue13

Green14

Red1

Blue8

Blue11

Blue12

Red6

Red2

Green2

Red11

Red15

Red4

Blue5

Blue6

Red10

Red9

Green9

Red7

Red13

Blue0

Green15

Blue10

Red0

Green0

Red14

Blue1

Blue14

Blue2

Green10

Red3

Red8

Green5

Green7

Green12

TLC6984EVM_LEDsch.SchDoc

Line7

Line2

Line1

Line4

Line3

Line5

Line6

Line0

Green11

Green8

Green6

Green4

Blue7

Blue9

Green3

Red12

Blue4

Green13

Blue15

Green1

Blue3

Red5

Blue13

Green14

Red1

Blue8

Blue11

Blue12

Red6

Red2

Green2

Red11

Red15

Red4

Blue5

Blue6

Red10

Red9

Green9

Red7

Red13

Blue0

Green15

Blue10

Red0

Green0

Red14

Blue1

Blue14

Blue2

Green10

Red3

Red8

Green5

Green7

Green12

TLC6984EVM_LEDsch.SchDoc

R11

R16

R17

R18

R19

R20

R21

R22

R23

R24

R25

R26

R27

R28

R29

R30

R31

G14

G16

G17

G18

G19

G20

G21

G22

G23

G24

G25

G26

G27

G28

G29

G30

G31

B12

B16

B17

B18

B19

B20

B21

B22

B23

B24

B25

B26

B27

B28

B29

B30

B31

B10

B15

R10

G10

G11

B11

R12

G12

R13

G13

B13

R14

B14

R15

G15

L16

L17

L18

L19

L21

L22

L23

L20

Line7

Line2

Line1

Line4

Line3

Line5

Line6

Line0

Green11

Green8

Green6

Green4

Blue7

Blue9

Green3

Red12

Blue4

Green13

Blue15

Green1

Blue3

Red5

Blue13

Green14

Red1

Blue8

Blue11

Blue12

Red6

Red2

Green2

Red11

Red15

Red4

Blue5

Blue6

Red10

Red9

Green9

Red7

Red13

Blue0

Green15

Blue10

Red0

Green0

Red14

Blue1

Blue14

Blue2

Green10

Red3

Red8

Green5

Green7

Green12

TLC6984EVM_LEDsch.SchDoc

R16

R17

R18

R19

R20

R21

R22

R23

R24

R25

R26

R27

R28

R29

R30

R31

G16

G17

G18

G19

G20

G21

G22

G23

G24

G25

G26

G27

G28

G29

G30

G31

B16

B17

B18

B19

B20

B21

B22

B23

B24

B25

B26

B27

B28

B29

B30

B31

Line7

Line2

Line1

Line4

Line3

Line5

Line6

Line0

Green11

Green8

Green6

Green4

Blue7

Blue9

Green3

Red12

Blue4

Green13

Blue15

Green1

Blue3

Red5

Blue13

Green14

Red1

Blue8

Blue11

Blue12

Red6

Red2

Green2

Red11

Red15

Red4

Blue5

Blue6

Red10

Red9

Green9

Red7

Red13

Blue0

Green15

Blue10

Red0

Green0

Red14

Blue1

Blue14

Blue2

Green10

Red3

Red8

Green5

Green7

Green12

TLC6984EVM_LEDsch.SchDoc

R16

R17

R18

R19

R20

R21

R22

R23

R24

R25

R26

R27

R28

R29

R30

R31

G16

G17

G18

G19

G20

G21

G22

G23

G24

G25

G26

G27

G28

G29

G30

G31

B16

B17

B18

B19

B20

B21

B22

B23

B24

B25

B26

B27

B28

B29

B30

B31

L00

Figure 5-3. TLC6984EVM Schematic (3 of 3)

www.ti.com Schematics and Bill of Materials

SLVUCB5 – OCTOBER 2021

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TLC6984 48 × 16 Common Cathode Matrix LED Display Driver Evaluation

Module

5.2 Bill of Materials

Table 5-1 lists the TLC6984 EVM BOM.

Table 5-1. TLC6984 EVM Bill of Materials

Item

No. Designator QTY Value Part Number Manufacturer Description Package

Reference

1 C1, C3, C6, C8 4 1 uF CL05A105MP5NNNC Walsin CAP, CERM, 1 µF, 10 V,+/- 20%,

X5R, 0402 0402

2C2, C4, C5, C7,

C9 5 10 uF ZRB18AD71A106KE01L MuRata CAP, CERM, 10 uF, 10 V, +/- 10%,

X7T, 0603 0603

3 C10 1 4.7 uF CGB3B1X5R1A475K055A

CTDK CAP, CERM, 4.7 uF, 10 V, +/- 10%,

X5R, 0603 0603

4 C11 1 120 pF VJ0603A121FXACW1BC Vishay-Sprague CAP, CERM, 120 pF, 50 V, +/- 1%,

C0G/NP0, 0603 0603

5D1_M0…

D128_M7 1024 RGB EAST1616RGBA8 Everlight LED, RGB, SMD 1.6x1.6mm

6 J1, J2 2 TSM-110-01-L-DV Samtec Header, 2.54mm, 10x2, Gold, SMT

Header,

2.54mm,

10x2, SMT

7 J3 1 ZX62R-B-5P(30) Hirose Electric

Co. Ltd.

Connector, Receptacle, Micro-USB

Type B, Top Mount SMT

Connector

USB Mini B

8 J4 1 TSM-102-01-L-DV Samtec Header, 2.54 mm, 2x2, Gold, SMT

Header,

2.54mm, 2x2,

SMT

9 J5 1 TSM-102-03-T-SV Samtec Header, 2.54 mm, 2x1, Tin, SMT

Header,

2.54mm, 1x2,

SMT

10 L1 1 470 nH DFE201610E-R47M=P2 MuRata

Inductor, Shielded, Metal

Composite, 470 nH, 3.6 A, 0.032

ohm, SMD

1.6x2mm

11 LBL1 1 THT-14-423-10 Brady

Thermal Transfer Printable Labels,

0.650" W x 0.200" H - 10,000 per

roll

PCB Label

0.650 x 0.200

inch

12 R1, R2 2 7.87 k CRCW04027K87FKED Vishay-Dale RES, 7.87 k, 1%, 0.063 W, AEC-

Q200 Grade 0, 0402 0402

13 R3 1 100 k CRCW0603100KFKEA Vishay-Dale RES, 100 k, 1%, 0.1 W, 0603 0603

14 R4 1 226 k CRCW0603226KFKEA Vishay-Dale RES, 226 k, 1%, 0.1 W, 0603 0603

15 R5 1 51.7 k RT0603BRD0751K7L Yageo America RES, 51.7 k, 0.1%, 0.1 W, 0603 0603

16 TP1, TP2 2 1503-2 Keystone Terminal, Turret, TH, Double Keystone1503

-2

17 U1, U2 2 TLC6984RRF Texas

Instruments

48x16 Common Cathode Matrix

LED Display Driver with Ultra Low

Power

VQFN76

18 U3 1 TPS62825DMQT Texas

Instruments

2-A High Efficiency Synchronous

Buck Converter, DMQ0006A

(VSON-HR-6)

DMQ0006A

Schematics and Bill of Materials www.ti.com

10 TLC6984 48 × 16 Common Cathode Matrix LED Display Driver Evaluation

Module

SLVUCB5 – OCTOBER 2021

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