Texas Instruments TPS61193-Q1EVM User Manual Download Page 15

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D11

D10

1
2
3

J10

1
2
3

J11

1
2
3

J12

D31

D30

D29

D28

D27

D26

D25

D24

1
2
3

J26

1
2
3

J27

1
2
3

J28

1
2
3

J29

1
2
3

J30

1
2
3

J31

1
2
3

J32

1
2
3

J33

D51

D50

D49

D48

D47

D46

D45

D44

1
2
3

J47

1
2
3

J48

1
2
3

J49

1
2
3

J50

1
2
3

J51

1
2
3

J52

1
2
3

J53

1
2
3

J54

D71

D70

D69

D68

D67

D66

D65

D64

1
2
3

J68

1
2
3

J69

1
2
3

J70

1
2
3

J71

1
2
3

J72

1
2
3

J73

1
2
3

J74

1
2
3

J75

D91

D90

D89

D88

D87

D86

D85

D84

1
2
3

J89

1
2
3

J90

1
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J91

1
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3

J92

1
2
3

J93

1
2
3

J94

1
2
3

J95

1
2
3

J96

D111

D110

D109

D108

D107

D106

D105

D104

1
2
3

J110

1
2
3

J111

1
2
3

J112

1
2
3

J113

1
2
3

J114

1
2
3

J115

1
2
3

J116

1
2
3

J117

D20

D19

D18

D17

D16

D15

D14

D13

1
2
3

J14

1
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3

J15

1
2
3

J16

1
2
3

J17

1
2
3

J18

1
2
3

J19

1
2
3

J20

1
2
3

J21

GND

J22

D40

D39

D38

D37

D36

D35

D34

D33

1
2
3

J35

1
2
3

J36

1
2
3

J37

1
2
3

J38

1
2
3

J39

1
2
3

J40

1
2
3

J41

1
2
3

J42

GND

J43

D60

D59

D58

D57

D56

D55

D54

D53

1
2
3

J56

1
2
3

J57

1
2
3

J58

1
2
3

J59

1
2
3

J60

1
2
3

J61

1
2
3

J62

1
2
3

J63

GND

J64

D80

D79

D78

D77

D76

D75

D74

D73

1
2
3

J77

1
2
3

J78

1
2
3

J79

1
2
3

J80

1
2
3

J81

1
2
3

J82

1
2
3

J83

1
2
3

J84

GND

J85

D100

D99

D98

D97

D96

D95

D94

D93

1
2
3

J98

1
2
3

J99

1
2
3

J100

1
2
3

J101

1
2
3

J102

1
2
3

J103

1
2
3

J104

1
2
3

J105

GND

J106

D120

D119

D118

D117

D116

D115

D114

D113

1
2
3

J119

1
2
3

J120

1
2
3

J121

1
2
3

J122

1
2
3

J123

1
2
3

J124

1
2
3

J125

1
2
3

J126

GND

J127

BOOST1

BOOST1
LED1
LED2
LED3
LED4
LED5
LED6

J129

GND

10.0

D12

1
2
3

J13

D32

D52

D72

D92

D112

1
2
3

J34

1
2
3

J55

1
2
3

J76

1
2
3

J97

1
2
3

J118

1
2
3

J25

1
2
3

J46

1
2
3

J67

1
2
3

J88

1
2
3

J109

D23

D43

D63

D83

D103

1
2
3

J24

1
2
3

J45

1
2
3

J66

1
2
3

J87

1
2
3

J108

1
2
3

J23

1
2
3

J44

1
2
3

J65

1
2
3

J86

1
2
3

J107

D21

D41

D61

D81

D101

D22

D42

D62

D82

D102

1
2
3

6
7

J130

www.ti.com

Appendix A: LED Load Board

Figure 11. LED Load Board - Schematic Diagram

SNVU491 – October 2015

TPS61193EVM Evaluation Module

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Summary of Contents for TPS61193-Q1EVM

Page 1: ...Using the TPS61193EVM and TPS61193 Q1EVM Evaluation Module User s Guide Literature Number SNVU491 October 2015...

Page 2: ...1 PWM Input to Initiate Start up Sequence 8 6 2 Shutdown Sequence 8 7 Boost Converter 9 7 1 Switching Frequency 9 7 2 Spread Spectrum and Synchronization 9 7 3 Voltage Control 10 8 LED Current Sinks...

Page 3: ...age vs R12 10 7 Output Current vs RISET 11 8 Evaluation Board Schematic 12 9 LED Load Board Top Side 14 10 LED Load Board Bottom View 14 11 LED Load Board Schematic Diagram 15 12 Forward Voltage for C...

Page 4: ...t this interference 1 4 If You Need Assistance Contact your local TI sales representative 2 Introduction The Texas Instruments TPS61193EVM evaluation module EVM helps designers to evaluate the operati...

Page 5: ...stop start and load dump condition The TPS61193 or TPS61193 Q1 device supports PWM brightness dimming ratio up to 10 000 1 for an input PWM frequency of 200 Hz The device integrates extensive safety...

Page 6: ...TROL POINTS Hardware Setup www ti com 4 Hardware Setup Figure 1 shows connectors and main components on the TPS61193 or TPS61193 Q1 board Figure 1 Evaluation Board Connectors and Setup 6 TPS61193EVM E...

Page 7: ...Top Layer Figure 3 Bottom Layer GND See the TPS61193 SNVSAF4 or TPS61193 Q1 datasheet SNVSAC7 for PCB layout guidelines 7 SNVU491 October 2015 TPS61193EVM Evaluation Module Submit Documentation Feedba...

Page 8: ...and the VDDIO EN voltage is set above threshold voltage 1 2 V By default boost switching frequency is 400 kHz jumper J4 connecting R3 160 k to FSET and boost maximum voltage is 37 V R12 750 k and R13...

Page 9: ...ency remove jumper J4 short pins 7 and 8 on jumper J17 and connect the external resistor to connector J18 Boost internal parameters are adjusted automatically according to chosen frequency during star...

Page 10: ...2 V R12 R13 values are in k 2 Figure 6 Converter Maximum Output Voltage vs R12 Maximum voltage should be chosen based on the maximum voltage required for LED strings Recommended maximum voltage is abo...

Page 11: ...7 Output Current vs RISET 8 3 Brightness Control The TPS61193 or TPS61193 Q1 controls the brightness of the display with conventional PWM Output PWM directly follows the input PWM Input PWM frequency...

Page 12: ...Schematic www ti com 10 Evaluation Board Schematic Figure 8 Evaluation Board Schematic 12 TPS61193EVM Evaluation Module SNVU491 October 2015 Submit Documentation Feedback Copyright 2015 Texas Instrume...

Page 13: ...0 Samtec TSW 108 07 G D 2 mil above insulator J16 Header TH 100mil 10x2 Gold plated Samtec TSW 110 07 G D 1 230 mil above insulator J18 Header TH 100mil 10x1 Gold plated Samtec TSW 110 07 G S 1 230 mi...

Page 14: ...h maximum current 175 mA and maximum forward voltage 3 5 mA at 80 mA 3 3 V typical are used on the board For theTPS61193 or TPS61193 Q1 4 strings are assembled NOTE The LED board is not included with...

Page 15: ...58 1 2 3 J59 1 2 3 J60 1 2 3 J61 1 2 3 J62 1 2 3 J63 GND 1 2 3 4 J64 D80 D79 D78 D77 D76 D75 D74 D73 1 2 3 J77 1 2 3 J78 1 2 3 J79 1 2 3 J80 1 2 3 J81 1 2 3 J82 1 2 3 J83 1 2 3 J84 GND 1 2 3 4 J85 D10...

Page 16: ...der 100mi 2x2 Samtec TSW 102 07 G D 7 J85 J106 J127 J2 J21 J23 J42 J44 J63 J65 J84 Header 100mi 3x1 Samtec TSW 103 07 G S 121 J86 J105 J107 J126 J129 J130 Header 100mi 7x1 Samtec TSW 107 07 G S 1 D1 D...

Page 17: ...ing the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repa...

Page 18: ...transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indic...

Page 19: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Page 20: ...REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE L...

Page 21: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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