SLVUDN4A July   2026  – August 2026

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
    5. 1.5 General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines
  7. 2Hardware
    1. 2.1 Test Setup Requirements
    2. 2.2 Recommended Test Setups
    3. 2.3 Test Points
    4. 2.4 Terminals
  8. 3Performance Data and Typical Characteristic Curves
    1. 3.1  Efficiency Test Data for 28V Output Voltage
    2. 3.2  Efficiency Test Data for 24V Output Voltage
    3. 3.3  Efficiency Test Data for 20V Output Voltage
    4. 3.4  Efficiency Curve: Efficiency vs Output Power
    5. 3.5  Load Regulation
    6. 3.6  Startup Waveforms
    7. 3.7  Switching Frequency Across Load
    8. 3.8  Line Transient Response
    9. 3.9  Load Transient Waveform
    10. 3.10 Output Ripple Voltage
    11. 3.11 EN55022 Class B Conducted EMI Test Result
    12. 3.12 Thermal Performance at Maximum Load
    13. 3.13 PFC Test Results: Vin vs Iin
    14. 3.14 PFC Test Results: Switch node Waveforms across load
    15. 3.15 PFC Test Results: Efficiency (only PFC With External Vcc)
  9. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Transformer Details
    4. 4.4 Bill of Materials
  10. 5Additional Informations
    1.     Trademarks
  11. 6Revision History

4.4 Bill of Materials

The table below lists the bill of materials for UCG28828EVM-098.

Table 4-1 Bill of Materials
Designator Quantity Description Part Number
390V_BUS, Line, VFB, Vinrect, Vout 5 Test Point, Multipurpose, White, TH 5012
C1 1 100µF 450V Aluminum Electrolytic Capacitors Radial, Can 3000 Hrs at 105°C KCMJ2002W101MF
C2, C25, C40, C41 4 CAP, CERM, 0.1μF, 450V, ± 10%, X7T, AEC-Q200 Grade 1, 1206_190 CGA5L4X7T2W104K160AE
C3, C4 2 470nF ±10% X2 Plugin,P=7.5mm Suppression Capacitors ROHS MPX474K31B9KN20600
C5 1 CAP, CERM, 1µF, 25V,± 10%, X7R, AEC-Q200 Grade 1, 0603 CGA3E1X7R1E105K080AC
C6 1 CAP, CERM, 22pF, 50V,± 5%, C0G/NP0, 0402 CC0402JRNPO9BN220
C7 1 CAP, CERM, 10pF, 1000V, ± 5%, C0G/NP0, 1206 VJ1206A100JXGAT5Z
C8, C44 2 0.47 µF Film Capacitor 160V 450V Polypropylene (PP), Metallized Radial B32671P4474K000
C9 1 CAP, CERM, 3300pF, 50V, ± 5%, C0G/NP0, 0805 GRM2165C1H332JA01D
C10 1 CAP, CERM, 470pF, 50V, ± 10%, X7R, 0805 C0805C471K5RACTU
C11, C24 2 CAP, CERM, 0.1µF, 50V,± 10%, X7R, AEC-Q200 Grade 1, 0603 06035C104KAZ2A
C12 1 CAP, CERM, 1µF, 16V,± 10%, X7R, AEC-Q200 Grade 1, 0603 GCM188R71C105KA64J
C13 1 CAP, CERM, 0.047μF, 100V, ± 10%, X7S, 0603 C1608X7S2A473K080AB
C14 1 CAP, CERM, 0.47μF, 50V, ± 10%, X7R, 0805 GRM21BR71H474KA88L
C15 1 CAP, CERM, 10pF, 50V, ± 5%, C0G/NP0, 0603 C0603C100J5GACTU
C16 1 CAP, CERM, 2200pF, 50V, ± 5%, C0G/NP0, 0603 GRM1885C1H222JA01D
C17 1 CAP, CERM, 10μF, 25V, ± 10%, X7R, 0805 GRM21BZ71E106KE15L
C18 1 Chip Multilayer Ceramic Capacitors for General Purpose, 1206, 47000pF, C0G, 30ppm/°C, 5%, 50V GRM31M5C1H473JA01K
C19, C51, C52, C53 4 1500pF ±10% 250VAC Ceramic Capacitor X7R 1808 (4520 Metric) 1808YA250152KJTSYX
C20 1 CAP, CERM, 2200pF, 1000V, ± 10%, X7R, 1206 GRM31BR73A222KW01L
C21, C23 2 Aluminum Electrolytic Capacitors (Radial Lead Type) 820μF ± 20% 35V EEUFS1V821
C23, C36 2 CAP, CERM, 22μF, 10V, ± 20%, X7R, 0805 GRM21BZ71A226ME15L
C26 1 CAP CER 1000PF 1KV X7R 0805 C0805X102KDRACTU
C27 1 CAP, CERM, 1μF, 50V, ± 10%, X5R, 0603 C1608X5R1H105K080AB
C28 1 CAP, CERM, 0.47μF, 50V, ± 10%, X7R, 0603 C1608X7R1H474K080AC
C29 1 CAP, CERM, 0.1µF, 100V,± 10%, X7R, AEC-Q200 Grade 1, 0603 HMK107B7104KAHT
C30, C31 2 Chip Multilayer Ceramic Capacitors for General Purpose, 1206, 4.7μF, X7R, 15%, 10%, 100V GRM31CZ72A475KE11L
C32 1 CAP, CERM, 0.1μF, 50V, ± 10%, X7R, 0603 C1608X7R1H104K080AA
C33 1 CAP, CERM, 10µF, 35V,± 10%, X5R, 0805 GMK212BBJ106KG-T
C34 1 CAP, CERM, 1µF, 50V,± 10%, X7R, AEC-Q200 Grade 1, 0805 08055C105K4Z2A
C35 1 CAP, CERM, 1000pF, 100V, ± 5%, C0G/NP0, 0603 C1608C0G2A102J080AA
C37 1 CAP, CERM, 0.1μF, 25V, ± 10%, X7R, 0402 GRM155R71E104KE14D
C38 1 CAP, CERM, 330pF, 50V, ± 1%, C0G/NP0, 0402 GRM1555C1H331FA01J
C39, C50 2 Multi-Layer Ceramic Capacitor 10nF 50V C0G ± 5% 0603 Paper T/R GRT1885C1H103JA02D
C43 1 CAP, CERM, 0.022μF, 500V, ± 10%, X7R, 1206 VJ1206Y223KXEAT5Z
C45 1 CAP, CERM, 0.22μF, 500V, ± 10%, X7R, 2220 VJ2220Y224KBEAT4X
C46 1 CAP, CERM, 0.22μF, 100V, ± 10%, X7R, 0805 CL21B224KCFSNWE
D1 1 Rectifier, Single, 600V, 3A, Smc Rohs Compliant: Yes S3J-13F
D3 1 Diode, Hyperfast, 600V, 6A, AEC-Q101, TO-277A VS-6ESH06HM3/86A
D4, D5 2 Diode 1000V 2A Surface Mount SOD-123F S2MFL
D6 1 Diode, Switching, 75V, 0.15A, AEC-Q101, SOD-323 1N4148WS-7F
D7 1 Diode Rectifier Bridge Single 600V 8A 4-Pin Case GBU Tube GBU806
D8 1 Diode Small Signal Schottky 100V 0.5A 2-Pin SOD-123T/R BAS100AS_R1_00001
D9 1 Diode 1000V 1A Surface Mount SOD-123FL SL1M
D10 1 Diode, Fast Rectifier, 800V, 1A, SMA US1K-13F
D11, D12 2 Diode, Superfast Rectifier, 600V, 1A, 3.5x1.6mm CSFMT108-HF
D13 1 Diode, Zener, 15V, 200mW, SOD-323 MMSZ5245BS-7F
F1 1 Fuse Subminiature Slow Blow Acting 3.15A 350V Radial 8.35X 4X 7.8mm Thermoplastic Box 0697W3150-01
H1, H2, H3, H4 4 Standoff, Hex, 0.5"L #4-40 Nylon NY PMS 440 0025 PH
H5, H6, H7, H8 4 Standoff, Hex, 0.5"L #4-40 Nylon 1902C
J1, J2 2 Terminal Block, 5.08mm, 2x1, Brass, TH ED120/2DS
L1 1 'Power Choke Unshielded Wirewound 150uH 10% 10KHz Ferrite 2A 180mΩ DCR RDL Tray 7447480151
L2 1 Inductor 240uH 10% 100kHz 0.223Ω 9.8A 26.16x26.16x19.05mm TH 750317130
L3 1 Coupled inductor, 1mH, 2A, 0.045Ω, TH 744821201
L4 1 Coupled Inductor 15mH DC-SQ1515-02010-03L
Neutral, PGND1, PGND2, SGND 4 Test Point, Multipurpose, Black, TH Neutral, PGND, SGND
Q2 1 MOSFET, N-CH, 150V, 87A, PG-TDSON-8 BSC093N15NS5ATMA1
Q3 1 MOSFET, N-CH, 100V, 0.17A, SOT-23 BSS123
Q4 1 Optoisolator Transistor Output 5000Vrms 1 Channel 6-SO TLP383(GR-TPL,E)
R1, R3, R6, R8, R11, R14, R17, R18, R20 9 RES, 3.32M, 1%, 0.25W, AEC-Q200 Grade 0, 1206 CRCW12063M32FKEA
R2 1 RES, 0, 5%, 0.125W, AEC-Q200 Grade 0, 0805 ERJ-6GEY0R00V
R4 1 RES SMD 127Ω 0.5% 1/10W 0603 RT0603DRD07127RL
R5, R49 2 RES, 0, 5%, 0.125W, AEC-Q200 Grade 0, 0805 RC0603JR-070RL
R9, R12, R15, R27 4 RES, 324k, 1%, 0.25W, AEC-Q200 Grade 0, 1206 ERJ-8ENF3243V
R10 1 RES, 24.9k, 1%, 0.125W, AEC-Q200 Grade 0, 0805 CRCW080524K9FKEA
R13 1 1.01kΩ ±0.1% 0.1W, 1/10W Chip Resistor 0603 (1608 Metric) Moisture Resistant Thin Film RN73R1JTTD1011B25
R16 1 RES, 3.00k, 0.1%, 0.1W, 0603 RG1608P-302B-T5
R19, R35 2 RES, 1.00M, 1%, 0.125W, 0603 MCT06030C1004FP500
R22 1 RES, 47, 5%, 0.1W, AEC-Q200 Grade 0, 0603 CRCW060347R0JNEA
R23 1 RES, 180k, 0.1%, 0.125W, 0805 RT0805BRD07180KL
R24 1 RES, 20.0k, 0.1%, 0.1W, 0603 RT0603BRD0720KL
R25 1 RES, 180k, 0.1%, 0.1W, 0603 RT0603BRD07180KL
R26 1 RES, 220k, 0.1%, 0.1W, 0603 RG1608P-224B-T5
R29 1 RES, 10.0, 0.5%, 1W, AEC-Q200 Grade 0, 1206 HRG3216Q-10R0D-T1
R30 1 RES, 0, 5%, 0.063W, AEC-Q200 Grade 0, 0402 CRCW04020000Z0ED
R31 1 RES, 511, 1%, 0.063W, AEC-Q200 Grade 0, 0402 CRCW0402511RFKED
R32, R63 2 RES, 511, 1%, 0.25W, AEC-Q200 Grade 0, 1206 CRCW1206511RFKEA
R33 1 RES, 10.0, 0.05%, 0.1W, 0805 RNCF0805AKT10R0
R34 1 RES, 100k, 1%, 0.1W, 0402 ERJ-2RKF1003X
R36 1 0Ωs Jumper 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film RMCF0805ZT0R00
R37 1 RES, 15.0k, 0.05%, 0.1W, AEC-Q200 Grade 0, 0603 ERA-3ARW153V
R38 1 RES, 2.74k, 0.1%, 0.1W, 0603 RT0603BRD072K74L
R39, R53 2 RES, 249k, 0.1%, 0.1W, 0603 RT0603BRD07249KL
R40 1 RES, 7.68k, 0.5%, 0.1W, 0603 RT0603DRE077K68L
R41, R60, R61, R72, R73 5 RES, 0, 0%, 0.25W, AEC-Q200 Grade 0, 0603 RCS06030000Z0EA
R42 1 RES, 1.00k, 0.01%, 0.063W, 0603 RNCF0603TKY1K00
R43 1 RES, 28.7k, 0.5%, 0.1W, 0603 RT0603DRE0728K7L
R44 1 RES, 75.0k, 0.5%, 0.1W, 0603 RT0603DRE0775KL
R45 1 RES, 49.9k, 0.5%, 0.1W, 0603 RT0603DRE0749K9L
R46 1 RES, 5.23k, 0.1%, 0.1W, 0603 RT0603BRD075K23L
R47 1 RES, 35.2k, 0.1%, 0.1W, 0603 RT0603BRD0735K2L
R48 1 RES, 44.2k, 0.5%, 0.1W, 0603 RT0603DRE0744K2L
R54 1 RES, 49.9k, 0.1%, 0.1W, 0603 RT0603BRD0749K9L
R55 1 RES, 95.3k, 0.1%, 0.1W, 0603 RT0603BRD0795K3L
R59 1 RES, 2.0k, 5%, 0.25W, AEC-Q200 Grade 0, 1206 CRCW12062K00JNEA
R64 1 RES, 28.7k, 0.1%, 0.1W, 0603 RT0603BRD0728K7L
R65 1 RES, 24.3k, 0.1%, 0.1W, 0603 RT0603BRD0724K3L
R66 1 RES, 5.05, 0.5%, 0.1W, 0603 RT0603DRE075R05L
R68 1 NTC Thermistor 150k 0603 (1608 Metric) NT06155F4050B1F
R71 1 RES, 64.9k, 0.5%, 0.1W, 0603 RT0603DRE0764K9L
RV1 1 VARISTOR 490V 1.2KA DISC 7MM V300LA2P
T1 1 Transformer ATQ28T-351K-W5
T2, T3, VD_SR 3 Test Point, Miniature, SMT 5019
U1 1 650V GaN FET With Integrated Driver and Current Sense Emulation LMG3622REQ
U2 1 6-Pin Single-Phase Transition-Mode PFC Controller, DBV0006A (SOT-23-6) UCC28056ADBVR
U3 1 Active-low voltage monitor with low quiescent current and 2.5% threshold accuracy 5-SOT-23 -40 to 85 LM8364BALMF20/NOPB
U4 1 FAST TURN-OFF INTELLIGENT RECTIF MP6908AGJ-P
U5 1 Self-Biased High Frequency QR Flyback Converter With 750V Integrated GaN HEMT UCG28828-1REZR
U6 1 Shunt Voltage Reference IC Adjustable 2.5V 36VV ±1% 15mA SOT-23-3 ATL431LIAIDBZR
ZD1, ZD2 2 Diode, Zener, 5.1V, 400mW, SOD-323F D3Z5V1BF-7