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Bill of Materials

9

Bill of Materials

Table 2

lists the TPS92691EVM-001 components list according to the schematic shown in

Figure 2

.

Table 2. Bill of Materials

Designator

Qty

Value

Description

Package

PartNumber

Manufacturer

U1

1

Multi-Topology LED Driver with Rail-to-Rail Current

PWP0016J

TPS92691QPWPRQ1

Texas Instruments

Sense Amplifier

C1

1

0.1uF

CAP, CERM, 0.1 µF, 100 V, +/- 10%, X7R

0805

C0805C104K1RACTU

Kemet

C2, C18

2

1000pF

CAP, CERM, 1000 pF, 100 V, +/- 5%, C0G/NP0

0603

C1608C0G2A102J

TDK

C3, C4, C5, C7, C8,

9

4.7uF

CAP, CERM, 4.7 µF, 100 V, +/- 10%, X7S, 1210

1210

C3225X7S2A475K200AE

TDK

C11, C12, C15, C24

C10, C16

2

0.1uF

CAP, CERM, 0.1 µF, 100 V, +/- 10%, X7R

0805

C2012X7R2A104K

TDK

C13

1

0.1uF

CAP, CERM, 0.1 µF, 100 V, +/- 10%, X7R

1210

GRM32NR72A104KA01L

MuRata

C14, C25, C26

3

0.1uF

CAP, CERM, 0.1 µF, 25 V, +/- 10%, X8R

0603

C1608X8R1E104K

TDK

C17

1

2.2uF

CAP, CERM, 2.2 µF, 16 V, +/- 10%, X7R

0805

C2012X7R1C225K

TDK

C19

1

0.022uF

CAP, CERM, 0.022 µF, 16 V, +/- 10%, X7R

0603

GRM188R71C223KA01D

MuRata

C20

1

0.033uF

CAP, CERM, 0.033 µF, 25 V, +/- 10%, X7R

0805

GRM216R71E333KA01D

MuRata

C21

1

0.1uF

CAP, CERM, 0.1 µF, 100 V, +/- 10%, X7R

0603

GRM188R72A104KA35D

MuRata

C22

1

10pF

CAP, CERM, 10 pF, 50 V, +/- 5%, C0G/NP0

0603

C1608C0G1H100D

TDK

C23

1

100pF

CAP, CERM, 100 pF, 50 V, +/- 5%, C0G/NP0

0603

C1608C0G1H101J

TDK

C28

1

0.01uF

CAP, CERM, 0.01 µF, 100 V, +/- 10%, X8R

0603

C1608X8R2A103K

TDK

D1

1

30V

Diode, Schottky, 30 V, 0.2 A, SOD-323

SOD-323

BAT54HT1G

ON Semiconductor

D2

1

100V

Diode, Schottky, 100 V, 3 A, AEC-Q101

PowerDI5

PDS3100Q-13

Diodes Inc.

D3

1

8.2V

Diode, Zener, 8.2 V, 200 mW

SOD-323

MMSZ5237BS-7-F

Diodes Inc.

L1, L3

2

3.3uH

Inductor, Shielded, Ferrite, 3.3 µH, 5 A

6.2x4.5

CLF7045T-3R3N

TDK

L2

1

22uH

Coupled inductor, 22 µH, 7.26 A

12.3x8.05

MSD1278T-223MLB

Coilcraft

Q1

1

-100V

MOSFET, P-CH, -100 V, -13.2 A

1212

SI7113DN-T1-GE3

Vishay-Siliconix

Q2

1

100V

MOSFET, N-CH, 100 V, 20 A, AEC-Q101

8-PowerVDFN

STL8N10LF3

STMicroelectronics

Q3

1

100V

MOSFET, N-CH, 100 V, 3.8 A

8-PowerVDFN

DMN10H120SFG-13

Diodes Inc.

Q4

1

100V

MOSFET, N-CH, 100 V, 1.4 A, SOT-23

SOT-23

DMN10H220L-7

Diodes Inc.

R2, R3, R14

3

100k

RES, 100 k, 1%, 0.1 W, 0603

0603

CRCW0603100KFKEA

Vishay-Dale

R4

1

6.04k

RES, 6.04 k, 1%, 0.1 W, 0603

0603

CRCW06036K04FKEA

Vishay-Dale

R5

1

0.1

RES, 0.1, 1%, 0.33 W, 1210

1210

ERJ-L14KF10CU

Panasonic

R6

1

2.00k

RES, 2.00 k, 1%, 0.1 W, 0603

0603

CRCW06032K00FKEA

Vishay-Dale

R7

1

10.0

RES, 10.0, 1%, 0.25 W, 1206

1206

CRCW120610R0FKEA

Vishay-Dale

R8

1

0

RES, 0, 5%, 0.25 W, 1206

1206

CRCW12060000Z0EA

Vishay-Dale

19

SLVUAL8 – December 2015

TPS92691 SEPIC LED Driver Evaluation Board

Submit Documentation Feedback

Copyright © 2015, Texas Instruments Incorporated

Содержание TPS92691

Страница 1: ...7 Optimizing EVM Performance Based on LED String Voltage and Current 17 8 TPS92691EVM 001 Assembly Drawing and PCB layout 17 9 Bill of Materials 19 List of Figures 1 Connection Diagram 4 2 TPS92691EV...

Страница 2: ...Nominal Operation 14 21 Over Voltage Protection 14 22 SYNC Operation 14 23 PWM Dimming Duty Cycle 50 Frequency 240 Hz 14 24 PWM Dimming Duty cycle 50 Frequency 240 Hz 14 25 PWM Dimming Duty cycle 4 F...

Страница 3: ...with either high or low side current sensing implementations The DC current set point can be varied over a 15 1 ratio using the high impedance analog adjust IADJ input An integrated gate driver circui...

Страница 4: ...SS pin of the TPS92691 Q1 device The voltage range is from 0 V to 5 V if driven externally The SS voltage can be monitored with this test point Pulling SHUTDOWN to GND will also serve to disable the p...

Страница 5: ...lifier can be monitored with this test point The pin can be connected to an external comparator or microcontroller to detect LED short circuit LED to VIN and LED to GND fault conditions 4 Electrical P...

Страница 6: ...S92691EVM 001 Schematic Configured With a High Side Current Sense and a High Side Series PFET Device 6 TPS92691 SEPIC LED Driver Evaluation Board SLVUAL8 December 2015 Submit Documentation Feedback Co...

Страница 7: ...Alternate Configuration With a Low Side Current Sense and a Low Side Series NFET Device 7 SLVUAL8 December 2015 TPS92691 SEPIC LED Driver Evaluation Board Submit Documentation Feedback Copyright 2015...

Страница 8: ...wing performance curves are presented for the EVM configured with a high side current sense resistor and a series PFET device Figure 2 The EVM circuit can be modified to implement low side current sen...

Страница 9: ...ent mA 5 10 15 20 25 30 35 40 99 99 5 100 100 5 101 D004 LEDs 3 LEDs 7 LEDs 13 www ti com Performance Data and Typical Characteristic Curves 6 2 Line Regulation Figure 7 Output LED Current vs Input Vo...

Страница 10: ...98 5 99 99 5 100 100 5 101 101 5 102 D007 VIN 10V VIN 14V VIN 18V Performance Data and Typical Characteristic Curves www ti com 6 3 Load Regulation Figure 10 Output LED Current vs LED String Configura...

Страница 11: ...00mA ILED 300mA ILED 500mA www ti com Performance Data and Typical Characteristic Curves 6 4 Temperature Characteristics Figure 13 LED Current Error vs Ambient Temperature VIN 14 V Number of LEDs in s...

Страница 12: ...resistor divider network R23 and R4 The internal reference clamp of 2 4 V can be activated by depopulating resistor R4 and connecting IADJ to VCC through pull up resistor R23 External control via IADJ...

Страница 13: ...VIADJ VIN 14 V Number of LEDs in Series 3 6 6 PWM Dimming In order to enable EVM at power up the PWM pin of TPS92691 Q1 is tied to VCC through a 100 k pullup resistor R14 The PWM pin can be over driv...

Страница 14: ...ge Time 400 ms div spaCh3 Switch sense current resistor R15 voltage Time 1 s div Figure 21 Over Voltage Protection Figure 22 SYNC Operation spaCh1 DDRV voltage Ch2 PWM input TP3 spaCh1 DDRV voltage Ch...

Страница 15: ...re 26 PWM Dimming Duty cycle 4 Frequency 240 Hz 240 Hz spaCh2 IADJ voltage Ch3 IMON voltage spaCh1 IMON voltage Ch2 IADJ voltage spaCh4 LED current Time 200 s div spaCh4 LED current Time 10 s div Figu...

Страница 16: ...Ch4 LED current Time 1 ms div Figure 30 Start Stop Warm Crank Transient Response 6 8 EMI Figure 31 Conducted EMI Based on CISPR 25 Class 3 Limits 16 TPS92691 SEPIC LED Driver Evaluation Board SLVUAL8...

Страница 17: ...is achieved by pulling the IADJ pin to VCC through an external resistor The slope compensation voltage can be adjusted by changing the switch current sense resistor RIS R15 based on the maximum expect...

Страница 18: ...ti com Figure 33 Top Layer and Top Overlay Top View Figure 34 Bottom Layer and Bottom Overlay Bottom View 18 TPS92691 SEPIC LED Driver Evaluation Board SLVUAL8 December 2015 Submit Documentation Feed...

Страница 19: ...3 1 100pF CAP CERM 100 pF 50 V 5 C0G NP0 0603 C1608C0G1H101J TDK C28 1 0 01uF CAP CERM 0 01 F 100 V 10 X8R 0603 C1608X8R2A103K TDK D1 1 30V Diode Schottky 30 V 0 2 A SOD 323 SOD 323 BAT54HT1G ON Semic...

Страница 20: ...03 CRCW060310K0FKEA Vishay Dale R15 1 0 06 RES 0 06 1 1 W 2010 2010 CSRN2010FK60L0 Stackpole R16 1 1 00k RES 1 00 k 1 0 25 W 1206 1206 CRCW12061K00FKEA Vishay Dale R17 1 0 RES 0 5 0 25 W 1210 1210 MCR...

Страница 21: ...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...

Страница 22: ...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...

Страница 23: ...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...

Страница 24: ...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...

Страница 25: ...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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