SNVU822 May   2022

 

  1.   Trademarks
  2. 1Introduction
  3. 2Warnings and Cautions
  4. 3Description
    1. 3.1 Typical Applications
    2. 3.2 Features
    3. 3.3 Connector and Test Point Description
    4. 3.4 Electrical Performance Specifications
  5. 4Test Setup
    1. 4.1 Input Supplies and LED Load Connections
    2. 4.2 Analog Duty Cycle Control Using APWM
    3. 4.3 Analog Dimming Using IADJ
    4. 4.4 PWM Dimming Using nExt_PWM Test Points
    5. 4.5 Switching Frequency Set Point Using RON
  6. 5Performance Data and Typical Characteristic Curves
    1. 5.1 Efficiency
    2. 5.2 Analog Dimming
    3. 5.3 PWM Dimming
    4. 5.4 PWM Dimming Waveforms
  7. 6Schematic
  8. 7TPS92643EVM-204 PCB Layout
  9. 8Bill of Materials

Bill of Materials

Table 8-1 contains the TPS92643EVM-204 components list according to the schematic shown in Figure 6-1.

Table 8-1 TPS92643EVM-204 Bill of Materials
Reference DesignatorQTYValueDescriptionSizePart NumberMFR

C1

1

1.0 µF

CAP, CERM, 1 uF, 50 V, +/- 10%, X5R, 0603

0603

C1608X5R1H105K080AB

TDK

C3

1

0.1 µF

CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603

0603

CGA3E2X7R1H104K080AA

TDK

C4, C5

2

2.2 µF

CAP, CERM, 2.2 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0805

0805

CGA4J3X7R1H225K125AB

TDK

C6

1

10.0 µF

CAP, CERM, 10 µF, 50 V,+/- 10%, X7R, 1210

1210

CL32B106KBJNNWE

Samsung Electro-Mechanics

C7

1

2.2 µF

CAP, CERM, 2.2 µF, 16 V,+/- 10%, X7R, 0603

0603

CC0603KRX7R7BB225

Yageo America

C8

1

4700 pF

CAP, CERM, 4700 pF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402

0402

GCM155R71H472KA37D

MuRata

C9

1

10.0 µF

CAP, CERM, 10 µF, 16 V,+/- 20%, X6S, AEC-Q200 Grade 2, 0603

0603

GRT188C81C106ME13D

MuRata

C10

0

1000 pF

CAP, CERM, 1000 pF, 16 V,+/- 10%, X7R, AEC-Q200 Grade 1, 0402

0402

AC0402KRX7R7BB102

Yageo

C11, C12

2

100 nF

0.1µF ±10% 16V Ceramic Capacitor X7R 0402 (1005 Metric)

0402

ATC530L104KT16T

American Technical Ceramics

D1

1

60 V

Diode, Schottky, 60 V, 3 A, AEC-Q101, SMA

SMA

B360AM-13-F

Diodes Inc.

D2, D3

2

40V

Diode, Schottky, 40 V, 1 A, SOD-123

SOD-123

1N5819HW-7-F

Diodes Inc.

J1, J2

2

Header, 2.54 mm, 2x1, Tin, TH

Header, 2.54 mm, 2x1, TH

TSW-102-07-T-S

Samtec

L1

1

22.0 µH

22 µH Shielded Wirewound Inductor 6 A 24.7mOhm Nonstandard

SMD_IND_12MM8_12MM8

7443551221

Wurth Electronics

Q1

1

30 V

MOSFET, N-CH, 30 V, 0.85 A, SOT-23

SOT-23

BSH103,215

Nexperia

R1

1

0.050

RES, 0.05, 1%, 1 W, 2010

2010

CSRN2010FK50L0

Stackpole Electronics Inc

R2

1

4.75

RES, 4.75, 1%, 0.1 W, 0603

0603

RC0603FR-074R75L

Yageo

R4, R9, R10

3

100.0 k

100 kOhms ±1% 0.063W, 1/16W Chip Resistor 0402 (1005 Metric) Thick Film

0402

CRCW0402100KFKEDC

Vishay-Dale

R5

1

267 k

RES, 267 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402

0402

CRCW04021K02FKED

Vishay-Dale

R6, R13

2

1.02 k

RES, 1.02 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402

0402

CRCW04021K02FKED

Vishay-Dale

R7

1

28 k

28 kOhms ±1% 0.063W, 1/16W Chip Resistor 0402 (1005 Metric) Moisture Resistant Thick Film

0402

CRCW040228K0FKED

Vishay-Dale

R8

1

24.9 k

RES, 24.9 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402

0402

CRCW040224K9FKED

Vishay-Dale

R12

1

11 k

11 kOhms ±1% 0.063W, 1/16W Chip Resistor 0402 (1005 Metric) Automotive AEC-Q200 Thick Film

0402

RMCF0402FT11K0

Stackpole Electronics Inc

TP1, TP3, TP4, TP5, TP7, TP11

6

Terminal, Turret, TH, Double

Keystone1593-2

1593-2

Keystone

TP2

1

Test Point, Compact, SMT

Testpoint_Keystone_Compact

5016

Keystone

TP6, TP8, TP9, TP10, TP12

5

Test Point, Multipurpose, Red, TH

Multipurpose Testpoint

5010

Keystone

TP13

1

Test Point, Miniature, SMT

Testpoint_Keystone_Miniature

5015

Keystone

TP21, TP22, TP24

3

Test Point, Compact, SMT

Testpoint_Keystone_Compact

5016

Keystone

U1

1

3-A Synchronous Buck LED Driver

HTSSOP16

TPS92643QPWPRQ1

Texas Instruments

R2

0

2.2

RES, 2.2, 5%, 0.5 W, 1206

1206

CRM1206-JW-2R2ELF

Bourns

R11

0

100 k

100 kOhms ±1% 0.063W, 1/16W Chip Resistor 0402 (1005 Metric) Thick Film

0402

CRCW0402100KFKEDC

Vishay-Dale

C2

0

2200 pF

CAP, CERM, 2200 pF, 50 V, +/- 10%, X7R, 0603

0603

C0603C222K5RAC

Kemet

C14

0

2.2 uF

CAP, CERM, 2.2 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0805

0805

CGA4J3X7R1H225K125AB

TDK

C13

0

0.1 uF

CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603

0603

CGA3E2X7R1H104K080AA

TDK