SLUUCI9A January   2022  – December 2022 UCC28781

 

  1.   Abstract
  2.   Trademarks
  3. Introduction
  4. General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines
  5. Description of EVM
  6. Electrical Performance Specifications of EVM
  7. Schematic Diagram of EVM
  8. Operating the EVM from a DC or an AC Source
    1. 6.1 Typical Applications
    2. 6.2 Using the EVM with a DC Voltage Source
    3. 6.3 Using the EVM with an AC Voltage Source
  9. Test Set-ups
    1. 7.1 Test Set-up Requirements
      1. 7.1.1 Test Set-up Requirements for DC Input
      2. 7.1.2 Test Set-up Requirements for AC Input
    2. 7.2 Test Set-up Diagrams
    3. 7.3 Terminals and Test Points
  10. Performance Data and Typical Characteristic Curves
    1. 8.1 Table of Efficiency Measurements with DC Input
    2. 8.2 Table of Efficiency Measurements with AC Input
    3. 8.3 Efficiency Graphs with DC Input Voltage (Typical Results)
    4. 8.4 Switching Frequencies in Various Operating Modes
    5. 8.5 Key Switching Waveforms and Operating Mode Load Current
    6. 8.6 Thermal Images at Full Load (15 V, 4.0 A) with DC and AC Inputs
  11. Transformer Details
  12. 10EVM Assembly and Layout
  13. 11List of Materials
  14. 12Revision History

List of Materials

UCC28781EVM-053 list of materials for the schematic diagrams shown in Section 5.

Table 11-1 UCC28781EVM-053 List of Materials
Designator Quantity Description Part Number Manufacturer
C1 1 CAP, AL, 15 µF, 400 V, +/- 20%, AEC-Q200 Grade 2, TH UVC2G150MPD Nichicon
C2 1 CAP, AL, 82 µF, 400 V, +/- 20%, TH 400BXW82MEFR18X25 Rubycon
C3 1 CAP, Film, 0.33 µF, X2 275 VAC, +/- 10%, TH 890324024003 Wurth Elektronik
C4, C5 2 CAP, CERM, 0.1 uF, 630 V, +/- 10%, X7R, 1210 C1210C104KBRAC7800 Kemet
C6 1 CAP, CERM, 1000 pF, 630 V, +/- 10%, X7R, 1206 GRM31BR72J102KW01L MuRata
C7 1 CAP, Aluminum Polymer, 680 uF, 20 V, +/- 20%, 0.012 ohm, TH APSG200ELL681MJB5S Chemi-Con
C8 1 CAP, CERM, 10 µF, 25 V,+/- 5%, X7R, AEC-Q200 Grade 1, 1206 C1206C106J3RACAUTO Kemet
C9, C26 2 CAP, CERM, 22 uF, 25 V, +/- 10%, X7R, 1210 GRM32ER71E226KE15L MuRata
C10 1 CAP, CERM, 10 uF, 50 V, +/- 10%, X5R, 1206 C3216X5R1H106K160AB TDK
C11, C17 2 CAP, CERM, 0.1 uF, 50 V, +/- 20%, X7R, 0402 GRM155R71H104ME14D MuRata
C12 1 CAP, CERM, 1 uF, 16 V, +/- 10%, X6S, 0402 C1005X6S1C105K050BC TDK
C13, C14 2 CAP, CERM, 330 pF, 50 V, +/- 10%, X7R, 0402 GRM155R71H331KA01D MuRata
C15 0 Not used, 0805 GRM21AR72E102KW01D MuRata
C16 1 CAP, CERM, 1500 pF, 250 V, +/- 10%, X7R, 0805 GRM21AR72E152KW01D MuRata
C18 0 Not used, 1210 GMK325BJ226MM-P Taiyo Yuden
C19, C21 2 CAP, CERM, 100 pF, 50 V, +/- 5%, C0G/NP0, 0402 GRM1555C1H101JA01D MuRata
C20 1 CAP, CERM, 2200 pF, X1 400 VAC/Y1 400 VAC, +/- 20%, Y5V, D9xL13mm C921U222MVVDBA7317 Kemet
C22 1 CAP, CERM, 22 µF, 35 V,+/- 20%, X5R, 1210 GMK325BJ226MM-P Taiyo Yuden
C23 1 CAP, CERM, 1 uF, 35 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603 CGA3E1X7R1V105K080AC TDK
C24 1 CAP, CERM, 22 pF, 50 V, +/- 5%, C0G/NP0, AEC-Q200 Grade 1, 0402 GCM1555C1H220JA16D MuRata
C25 1 CAP, CERM, 0.015 uF, 50 V, +/- 10%, X7R, 0402 GRM155R71H153KA12D MuRata
C27 1 CAP, CERM, 0.01 uF, 50 V, +/- 10%, X7R, 0402 GRM155R71H103KA88D MuRata
C28 0 Not used, 0402 GCM1555C1H220JA16D MuRata
D1, D2 2 Diode, Standard Recovery Rectifier, 600 V, 0.2 A, 2x1.4mm RFU02VSM6STR Rohm
D3 1 Diode, Superfast Rectifier, 200 V, 1 A, 3.5x1.6mm CSFMT104-HF Comchip Technology
D5 1 Diode, Ultrafast, 100 V, 0.25 A, SOD-323 BAS316,115 Nexperia
D6 1 Diode, TVS, Bi, 18 V, SOD-323 CDSOD323-T18C Bourns Inc.
D7 1 Diode, Schottky, 40 V, 0.2 A, SOT-323 BAS40W-05-7-F Diodes Inc.
D8 1 Diode, Standard Recovery Rectifier, 1000 V, 1 A, AEC-Q101, SMA MRA4007T3G ON Semiconductor
D9 1 Diode, TVS, Uni, 150 V, 243 Vc, 400 W, 1.6 A, SMA SMAJ150A Littelfuse
D10 1 Diode, TVS, Uni, 120 V, 193 Vc, 400 W, 2.1 A, SMA SMAJ120A Littelfuse
D11 1 Diode, Switching, 75 V, 0.3 A, SOD-523 1N4148X-TP Micro Commercial Components
D12 1 Diode, Zener, 27 V, 300 mW, AEC-Q101, SOD-323 SZMM3Z27VST1G ON Semiconductor
D13 1 Diode, Zener, 39 V, 350 mW, AEC-Q101, SOD-523 BZT585B39T-7 Diodes Inc.
DB1 1 Diode, P-N-Bridge, 600 V, 4 A, Z4-D Z4DGP406L-HF Comchip Technology
F1 1 Fuse, 3.15 A, 250VAC/VDC, TH 39213150000 Littelfuse
H1, H2, H3, H4 4 Machine Screw, Round, #4-40 x 1/4, Nylon, Philips panhead NY PMS 440 0025 PH B&F Fastener Supply
H5, H6, H7, H8 4 Standoff, Hex, 0.5"L #4-40 Nylon 1902C Keystone Electronics
J1, J2, J3, J4 4 Terminal Block, 5.08 mm, 2x1, Brass, TH ED120/2DS On-Shore Technology
J5 1 Header, 100mil, 3x1, Gold, TH TSW-103-07-G-S Samtec
L1 1 Common Mode Choke, 2.3mH 35%, 0.6x0.38x0.75 IN RLTI-1387 Renco
L2 1 WE-FI Leaded Toroidal Line Choke 7447052 Wurth Electronik
Q1 1 MOSFET, N-CH, 800 V, 8 A, DPAK IPD80R600P7ATMA1 Infineon Technologies
Q2 1 MOSFET, N-CH, Depletion Mode, 800 V, SOT-23 CPC3982TTR IXYS
Q3 1 MOSFET, N-CH, 150 V, 87 A, PG-TDSON-8 BSC093N15NS5ATMA1 Infineon Technologies
Q4 1 MOSFET, N-CH, Depletion Mode, 100 V, 0.17 A, AEC-Q101, SOT-23 BSS126H6327XTSA2 Infineon Technologies
Q5 1 Transistor, PNP, 40 V, 0.2 A, AEC-Q101, SOT-323 MMST3906-7-F Diodes Inc.
R1 1 RES Thick Film, 4.22kΩ, 1%, 0.063W, 100ppm/°C, 0402 CRCW04024K22FKED Vishay
R2 1 RES, 470 k, 5%, 0.125 W, AEC-Q200 Grade 0, 0805 CRCW0805470KJNEA Vishay-Dale
R3, R4 2 RES, 13 k, 5%, 0.25 W, AEC-Q200 Grade 0, 1206 CRCW120613K0JNEA Vishay-Dale
R5, R7 2 RES, 15, 5%, 0.125 W, AEC-Q200 Grade 0, 0805 CRCW080515R0JNEA Vishay-Dale
R6 0 Not used, 0402 CRCW04021M00JNED Vishay-Dale
R8 1 RES, 169 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW0402169KFKED Vishay-Dale
R9 1 RES, 93.1 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW040293K1FKED Vishay-Dale
R10, R24 2 RES, 1.0 M, 5%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW04021M00JNED Vishay-Dale
R11 1 RES, 10, 5%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW040210R0JNED Vishay-Dale
R12 0 Not used, 1206 CRCW120610R0JNEA Vishay-Dale
R13 1 RES, 39.2 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW040239K2FKED Vishay-Dale
R14 1 RES, 191 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW0402191KFKED Vishay-Dale
R15 1 RES, 100, 5%, 0.125 W, AEC-Q200 Grade 0, 0805 CRCW0805100RJNEA Vishay-Dale
R16, R29, R41 3 RES, 10.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW040210K0FKED Vishay-Dale
R17 1 RES, 0, 0%, 0.2 W, AEC-Q200 Grade 0, 0402 CRCW04020000Z0EDHP Vishay-Dale
R18, R27 2 RES, 511, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW0402511RFKED Vishay-Dale
R19 1 RES, 402, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW0402402RFKED Vishay-Dale
R20 1 RES, 15.4 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW040215K4FKED Vishay-Dale
R21 1 RES, 0.22, 1%, 0.5 W, 1210 MCR25JZHFLR220 Rohm
R22 1 RES, 0, 5%, 0.063 W, 0402 RC0402JR-070RL Yageo America
R23 1 RES, 6.98 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW04026K98FKED Vishay-Dale
R25 1 RES, 150 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0402 ERJ-2RKF1503X Panasonic
R26 1 RES, 15.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW040215K0FKED Vishay-Dale
R28 1 RES, 0.68, 1%, 0.125 W, AEC-Q200 Grade 0, 0805 ERJ-6RQFR68V Panasonic
R30 1 RES, 20.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW040220K0FKED Vishay-Dale
R31 1 RES, 30.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW040230K0FKED Vishay-Dale
R32 1 RES, 5.62 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW04025K62FKED Vishay-Dale
R33, R34, R35 3 RES, 220 k, 5%, 0.25 W, AEC-Q200 Grade 0, 1206 CRCW1206220KJNEA Vishay-Dale
R36 1 RES, 102, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW0402102RFKED Vishay-Dale
R37, R38 2 RES, 2.10 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW04022K10FKED Vishay-Dale
R39 1 RES, 27.4 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW040227K4FKED Vishay-Dale
R40 1 RES, 1.00 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW04021K00FKED Vishay-Dale
RT1 1 Thermistor NTC, 47k ohm, 5%, 0603 NCP18WB473J03RB MuRata
SH-J1 1 Shunt, 100mil, Tin plated, Black SNT-100-BK-T-H Samtec
T1 1 Transformer FLYBACK for UCC28781EVM-053 RLTI-1431 Renco
TP1, TP3 2 Test Point, Multipurpose, Black, TH 5011 Keystone Electronics
TP2, TP4, TP5 3 Test Point, Multipurpose, White, TH 5012 Keystone Electronics
U1 1 Zero-Voltage-Switching Flyback Controller with Dedicated Synchronous Rectifier Gate-Drive UCC28781QRTWRQ1 Texas Instruments
U2 1 4-A/6-A, Single-Channel Reinforced Isolation Gate Driver with High Noise Immunity, DWV0008A (SOIC-8) UCC5304DWV Texas Instruments
U3 1 2.5V Low Iq Adjustable Precision Shunt Regulator, DBZ0003A (SOT-23-3) ATL431AIDBZR Texas Instruments
U4 1 Optoisolator Transistor Output 5000Vrms 1 Channel 6-SO TLP383(GR-TPL,E Toshiba