SLVUBG8A July   2018  – December 2020 TPS23755

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Features
    2. 1.2 Applications
  3. 2Electrical Specifications
  4. 3Description
  5. 4Schematic
  6. 5General Configuration and Description
    1. 5.1 Physical Access
  7. 6TPS23755EVM-894 Performance Data
    1. 6.1 Startup to PSE and DCDC Startup
    2. 6.2 Transient Response
    3. 6.3 Efficiency
    4. 6.4 Load Regulation
    5. 6.5 Recovery from VOUT Short
    6. 6.6 Slew Rate Adjust
  8. 7EVM Assembly Drawings and Layout Guidelines
    1. 7.1 PCB Drawings
    2. 7.2 Layout Guidelines
    3. 7.3 EMI Containment
  9. 8Bill of Materials
  10.   Revision History

8 Bill of Materials

Table 8-1 TPS23755EVM-894 BOM
Designator Quantity Value Description PackageReference PartNumber Manufacturer Alternate PartNumber Alternate Manufacturer
!PCB1 1 Printed Circuit Board PWR894 Any - -
C1, C2, C14 3 1000 pF CAP, CERM, 1000 pF, 100 V, +/- 10%, X7R, 0603 0603 GRM188R72A102KA01D MuRata
C3, C4 2 1000 pF CAP, CERM, 1000 pF, 2000 V, +/- 10%, X7R, 1812 1812 GR443QR73D102KW01L MuRata
C5, C6, C29, C30 4 0.01 uF CAP, CERM, 0.01 µF, 100 V, +/- 10%, X7R, 0603 0603 GRM188R72A103KA01D MuRata
C7, C24, C31, C32 4 2200 pF CAP, CERM, 2200 pF, 2000 V, +/- 10%, X7R, 1812 1812 C4532X7R3D222K130KA TDK
C8, C10 2 22 uF CAP, CERM, 22 µF, 25 V,+/- 20%, X5R, 1812 1812 C4532X5R1E226M250KA TDK
C9, C22 2 1 uF CAP, CERM, 1 µF, 25 V, +/- 10%, X7R, 0805 0805 GRM21BR71E105KA99L MuRata
C12 1 10 uF CAP, AL, 10 µF, 100 V, +/- 20%, AEC-Q200 Grade 3, SMD SMT Radial E EEE-2AA100UP Panasonic
C13 1 680 pF CAP, CERM, 680 pF, 100 V, +/- 10%, X7R, 0603 0603 06031C681KAT2A AVX
C15, C16 2 2.2 uF CAP, CERM, 2.2 µF, 100 V, +/- 10%, X7R, 1210 1210 GRM32ER72A225KA35L MuRata
C17, C20 2 0.1 uF CAP, CERM, 0.1 µF, 100 V, +/- 10%, X7R, 0805 0805 C2012X7R2A104K125AA TDK
C18 1 2.00 k RES, 2.00 k, 1%, 0.125 W, AEC-Q200 Grade 0, 0603 0603 RNCP0603FTD2K00 Stackpole Electronics Inc
C19 1 0.1 uF CAP, CERM, 0.1 µF, 25 V,+/- 10%, X7R, 0603 0603 06033C104KAT2A AVX
C21 1 100 pF CAP, CERM, 100 pF, 50 V,+/- 5%, C0G/NP0, 0402 0402 885012005061 Wurth Elektronik
C23 1 0.01 uF CAP, CERM, 0.01 µF, 100 V,+/- 20%, X7R, 0603 0603 06031C103MAT2A AVX
C25 1 2200 pF CAP, CERM, 2200 pF, 50 V, +/- 10%, X7R, 0603 0603 GRM188R71H222KA01D MuRata
C26 1 0.1 uF CAP, CERM, 0.1 µF, 25 V, +/- 10%, X7R, 0603 0603 C1608X7R1E104K080AA TDK
C27, C28 2 0.1 uF CAP, CERM, 0.1 µF, 50 V,+/- 10%, X7R, 0603 0603 06035C104KAT2A AVX
D1, D2 2 400 V Diode, Switching-Bridge, 400 V, 0.8 A, MiniDIP MiniDIP HD04-T Diodes Inc.
D3 1 60 V Diode, Schottky, 60 V, 3 A, PowerDI5 PowerDI5 PDS360-13 Diodes Inc.
D4, D5, D11 3 100 V Diode, Switching, 100 V, 0.2 A, SOD-123 SOD-123 MMSD4148T1G ON Semiconductor
D6 1 Yellow LED, Yellow, SMD LED_0603 150060YS75000 Wurth Elektronik
D7 1 200 V Diode, Ultrafast, 200 V, 1 A, SOD-123 SOD-123 RF071M2S Rohm
D8 1 30 V Diode, Schottky, 30 V, 2 A, SMB SMB B230-13-F Diodes Inc.
D9 1 58 V Diode, TVS, Uni, 58 V, 400 W, SMA SMA SMAJ58A Diodes Inc.
D10 1 6.8 V Diode, Zener, 6.8 V, 500 mW, SOD-123 SOD-123 MMSZ5235B-7-F Diodes Inc.

D13

1

6.2 V

Diode, Zener, 6.2 V, 500 mW, SOD-123

SOD-123

MMSZ5234B-7-F

Diodes Inc.

H1, H2, H3, H4 4 Bumpon, Hemisphere, 0.375 X 0.235, Black Black Bumpon SJ61A2 3M
J1, J2 2 RJ-45, No LED, tab up, R/A, TH 16.26 x 14.54 x 15.75 1-406541-1 TE Connectivity
J3, J5 2 Terminal Block, 6 A, 3.5-mm Pitch, 2-Pos, TH 7.0 x 8.2 x 6.5 mm ED555/2DS On-Shore Technology
J4 1 Header, 2.54 mm, 2 x 1, Gold, R/A, SMT Header, 2.54 mm, 2 x 1, R/A, SMT 0878980204 Molex
J6 1 Header, 100 mil, 3 x 1, Gold, TH 3 x 1 Header TSW-103-07-G-S Samtec
L1, L2, L5, L7 4 30 ohm 1.5 A Ferrite Bead, 30 ohm @ 100 MHz, SMD 0805 MMZ2012R300A TDK MMZ2012R300AT000
L3 1 3.3 uH Inductor, Drum Core, Ferrite, 3.3 µH, 1.6 A, 0.14 ohm, SMD ME3220 ME3220-332MLB Coilcraft
Q1 1 60 V MOSFET, N-CH, 60 V, 115 A, SOT-23 SOT-23 2N7002 Fairchild Semiconductor None
R1, R2, R3, R4, R32, R33 6 75.0 RES, 75.0 ohm, 1%, 0.1 W, 0603 0603 CRCW060375R0FKEA Vishay-Dale
R5 1 24 RES, 24, 5%, 0.25 W, 1206 1206 CRCW120624R0JNEA Vishay-Dale
R6 1 10.0 RES, 10.0, 1%, 0.125 W, 0805 0805 RC0805FR-0710RL Yageo America
R7 1 4.02 k RES, 4.02 k, 1%, 0.1 W, 0603 0603 CRCW06034K02FKEA Vishay-Dale
R8 1 39 k RES, 39k ohm, 5%, 0.125 W, 0805 0805 CRCW080539K0JNEA Vishay-Dale
R9 1 8.06 k RES, 8.06 k, 1%, 0.1 W, 0603 0603 CRCW06038K06FKEA Vishay-Dale
R10 1 100 RES, 100, 5%, 1 W, AEC-Q200 Grade 0, 2512 2512 CRCW2512100RJNEG Vishay-Dale
R11 1 11.5 k RES, 11.5 k, 1%, 0.1 W, 0603 0603 CRCW060311K5FKEA Vishay-Dale
R12 1 10.0 k RES, 10.0 k, 1%, 0.1 W, 0603 0603 CRCW060310K0FKEA Vishay-Dale
R13, R15 2 0.91 RES, 0.91, 1%, 0.25 W, 0805 0805 CRM0805-FX-R910ELF Bourns
R14 1 49.9 RES, 49.9, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 RMCF0402FT49R9 Stackpole Electronics Inc
R16, R17 2 24.9 k RES, 24.9 k, 1%, 0.063 W, 0402 0402 CRCW040224K9FKED Vishay-Dale
R18 1 8.66 k RES, 8.66 k, 1%, 0.063 W, 0402 0402 CRCW04028K66FKED Vishay-Dale
R19 1 47 k RES, 47 k, 5%, 0.063 W, 0402 0402 CRCW040247K0JNED Vishay-Dale
R20 1 45.3 RES, 45.3, 1%, 0.1 W, 0603 0603 CRCW060345R3FKEA Vishay-Dale
R21 1 6.49 k RES, 6.49 k, 1%, 0.063 W, 0402 0402 CRCW04026K49FKED Vishay-Dale
R22 1 0 RES, 0, 5%, 0.063 W, 0402 0402 RC0402JR-070RL Yageo America
R23 1 20 ohm 3314 - 4-mm Square Trimpot Trimming Potentiometer 5 x 4.5 mm 3314J-1-200E Bourns
R24 1 237 k RES, 237 k, 1%, 0.063 W, 0402 0402 CRCW0402237KFKED Vishay-Dale
R25 1 60.4 k RES, 60.4 k, 1%, 0.063 W, 0402 0402 CRCW040260K4FKED Vishay-Dale
R26 1 100 ohm 3314 - 4-mm Square Trimpot Trimming Potentiometer 5 x 4.5 mm 3314J-1-101E Bourns
R29 1 1.00 k RES, 1.00 k, 1%, 0.1 W, 0402 0402 ERJ-2RKF1001X Panasonic
R30 1 2.0 k RES, 2.0 k, 5%, 0.1 W, 0603 0603 CRCW06032K00JNEA Vishay-Dale
R31 1 100 k RES, 100 k, 1%, 0.1 W, 0603 0603 RC0603FR-07100KL Yageo America
R34 1 0 RES, 0, 5%, 0.125 W, 0603 0603 MCT06030Z0000ZP500 Vishay/Beyschlag
SH-J1, SH-J2 2 1 x 2 Shunt, 100 mil, Gold plated, Black Shunt 969102-0000-DA 3M SNT-100-BK-G Samtec
T1 1 350 uH Transformer, 350 uH, SMT 358 x 236 x 500 mil H2019FNLT Pulse Engineering
T2 1 150 uH Transformer, 150 uH, SMT 14 x 15.1 mm LDT0950-50 Linkcom Manufacturing Co. 750317728 Wurth Elektronik
TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10 10 Test Point, Miniature, SMT Test Point, Miniature, SMT 5019 Keystone
U1 1 IEEE 802.3at PoE PD with No-Opto Flyback DC-DC Controller, RJJ0023B (VQFN-23) RJJ0023B TPS23755RJJ Texas Instruments Texas Instruments
U2 1 Optocoupler, 3.75 kV, 80-160% CTR, SMT Mini Flat Package HMHA2801A Fairchild Semiconductor
C11 0 22 uF CAP, CERM, 22 µF, 25 V,+/- 20%, X5R, 1812 1812 C4532X5R1E226M250KA TDK
C33 0 0.22 uF CAP, CERM, 0.22 µF, 100 V,+/- 10%, X5R, 1206 1206 C3216X5R2A224K115AA TDK
D12 0 100 V Diode, Switching, 100 V, 0.2 A, SOD-123 SOD-123 MMSD4148T1G ON Semiconductor
FID1, FID2, FID3, FID4, FID5, FID6 0 Fiducial mark. There is nothing to buy or mount. Fiducial N/A N/A
L4, L6 0 51 uH Coupled inductor, 51 µH, A, 0.14 ohm, SMD 7.1 x 6mm B82793S513N201 TDK
R27, R28 0 10 RES, 10, 5%, 0.063 W, 0402 0402 CRCW040210R0JNED Vishay-Dale