SLVUCA5 June   2022

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
    1. 1.1 Before You Begin
  4. 2TPS7B4255EVM-062 Schematic
  5. 3Setup
    1. 3.1 LDO Input/Output Connector Descriptions
      1. 3.1.1 VIN and GND
      2. 3.1.2 VOUT and GND
      3. 3.1.3 EN
    2. 3.2 Optional Load Transient Input/Output Connector Descriptions
      1. 3.2.1 VDD and GND
      2. 3.2.2 J15
      3. 3.2.3 J18
      4. 3.2.4 J19
      5. 3.2.5 J21
      6. 3.2.6 J22
      7. 3.2.7 J23
      8. 3.2.8 J26
      9. 3.2.9 TP3
    3. 3.3 TPS7B4255-Q1 LDO Operation and Component Selection
    4. 3.4 Optional Load Transient Circuit Operation
  6. 4Board Layout
  7. 5Bill of Materials

5 Bill of Materials

Table 5-1 shows the bill of materials for the TPS7B4255EVM-062.

Table 5-1 Bill of Materials
Designator Quantity Value Description PackageReference PartNumber Manufacturer Alternate PartNumber Alternate Manufacturer
!PCB1 1 Printed Circuit Board LP062 Any
C4, C8 2 1µF 1 µF ±10% 50V Ceramic Capacitor X7R 0603 (1608 Metric) 0603 CC0603KRX7R9BB105 Yageo
C11 1 10µF CAP0805 X7R 10UF 10% 25V 0805 CL21B106KAYQNNE Samsung Electro-Mechanics
C12 1 0.1uF CAP, CERM, 0.1 uF, 100 V, +/- 10%, X7R, 0805 0805 HMK212B7104KG-T Taiyo Yuden
C13 1 0.01uF CAP, CERM, 0.01 uF, 50 V, +/- 10%, X7R, 0805 0805 08055C103KAT2A AVX
C17 1 0.1uF CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, 0402 0402 C1005X7R1H104K050BB TDK
C18, C19 2 10µF 10 µF ±10% 50V Ceramic Capacitor X7R 1206 (3216 Metric) 1206 GMC31X7R106K50NT Cal-Chip Electronics
D1 1 60V Diode, Schottky, 60 V, 3 A, SOD-128 SOD-128 PMEG6030EP,115 Nexperia
FID1, FID2, FID3, FID4, FID8 5 Fiducial mark. There is nothing to buy or mount. N/A N/A N/A
J1, J2, J21 3 SMA Straight Jack, Gold, 50 Ohm, TH SMA Straight Jack, TH 901-144-8RFX Amphenol RF
J3, J4, J20 3 Standard Banana Jack, insulated, 10A, red 571-0500 571-0500 DEM Manufacturing
J5, J11 2 Header, 100mil, 2x1, Gold, TH Sullins 100mil, 1x2, 230 mil above insulator PBC02SAAN Sullins Connector Solutions
J6, J7 2 Terminal Block, 5 mm, 2x1, Tin, TH Terminal Block, 5 mm, 2x1, TH 691 101 710 002 Wurth Elektronik
J8, J18, J19, J23, J24 5 Jumper, SMT shorting jumper, SMT JMP-36-30X40SMT Any
J9, J10, J25 3 Standard Banana Jack, insulated, 10A, black 571-0100 571-0100 DEM Manufacturing
J12 1 Header, 100mil, 3x1, Gold, TH 3x1 Header TSW-103-07-G-S Samtec
J14 1 Header, 100mil, 3x2, Gold, TH 3x2 Header TSW-103-07-G-D Samtec
Q1 1 N-Channel 100 V 1.2A (Ta) 1.8W (Ta) Surface Mount PG-SOT223-4 SOT223 BSP296NH6327XTSA1 Infineon
R4 1 200k RES, 200 k, 1%, 0.1 W, 0603 0603 CRCW0603200KFKEA Vishay-Dale
R6 1 17.8k RES, 17.8 k, 1%, 0.1 W, 0603 0603 RC0603FR-0717K8L Yageo
R7 1 30.0k RES, 30.0 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 ERJ-3EKF3002V Panasonic
R8 1 48.7k RES, 48.7 k, 1%, 0.1 W, 0603 0603 RC0603FR-0748K7L Yageo
R15 1 487 RES, 487, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW0603487RFKEA Vishay-Dale
R16 1 442 RES, 442, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW0603442RFKEA Vishay-Dale
R21 1 49.9 RES Thick Film, 49.9Ω, 1%, 0.75W, 100ppm/°C, 1206 1206 CRCW120649R9FKEAHP Vishay Dale
TP1, TP2, TP3 3 Test Point, Compact, SMT Testpoint_Keystone_Compact 5016 Keystone, Keystone Electronics
U1 1 TPS7B4255QDYBRQ1 SOT5 TPS7B4255QDYBRQ1 Texas Instruments
U2 1 150-mA, wide VIN, low IQ, low-dropout regulator, DRB0008F (VSON-8) DRB0008F TPS7B8401QWDRBRQ1 Texas Instruments Texas Instruments
U3 1 5V, 7A/5A Low Side GaN Driver With 60MHz/1ns Speed, YFF0006AEAE (DSBGA-6) YFF0006AEAE LMG1020YFFR Texas Instruments LMG1020YFFT Texas Instruments
C1, C15 0 4.7µF Cap Ceramic 4.7uF 50V X7R 10% Pad SMD 0805 +125°C Automotive T/R 0805 CGA4J1X7R1H475K125AC TDK Corporation
C2, C3, C6 0 1uF CAP, CERM, 1 uF, 100 V, +/- 10%, X7R, 1206 1206 C3216X7R2A105K160AA TDK
C5 0 1uF CAP, CERM, 1 µF, 100 V,+/- 10%, X7R, AEC-Q200 Grade 1, 0805 0805 08051C105K4Z2A AVX
C7 0 1uF CAP, CERM, 1 uF, 50 V, +/- 10%, X7R, 0805 0805 C2012X7R1H105K085AC TDK
C9 0 1uF CAP, CERM, 1 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 1206 1206 CGA5L3X7R1H105K160AB TDK
C10 0 0.1uF CAP, CERM, 0.1 uF, 100 V, +/- 10%, X7R, 0805 0805 C2012X7R2A104K125AA TDK
C14 0 1pF CAP, CERM, 1 pF, 100 V, +/- 5%, C0G/NP0, 0805 0805 GQM2195C2A1R0CB01D MuRata
C16 0 0.015uF CAP, CERM, 0.015 uF, 50 V, +/- 10%, X7R, 0402 0402 GRM155R71H153KA12D MuRata
C20, C21 0 1000pF CAP, CERM, 1000 pF, 100 V, +/- 5%, X7R, 0603 0603 06031C102JAT2A AVX
FID5, FID6, FID7 0 Fiducial mark. There is nothing to buy or mount. N/A N/A N/A
J13, J15, J16 0 Header, 100mil, 2x1, Gold, TH Sullins 100mil, 1x2, 230 mil above insulator PBC02SAAN Sullins Connector Solutions
J17 0 Header, 100mil, 2x2, Gold, TH 2x2 Header TSW-102-07-G-D Samtec
J22, J26 0 SMA Straight Jack, Gold, 50 Ohm, TH SMA Straight Jack, TH 901-144-8RFX Amphenol RF
R1, R3 0 10 kOhms ±1% 0.333W, 1/3W Chip Resistor 0805 (2012 Metric) Thick Film 0805 CRGH0805F10K TE Connectivity
R2, R20 0 1.00 RES, 1.00, 1%, 0.333 W, AEC-Q200 Grade 1, 0805 0805 RL1220S-1R0-F Susumu Co Ltd
R5, R17 0 1.00k RES, 1.00 k, 1%, 0.125 W, AEC-Q200 Grade 0, 0805 0805 ERJ-6ENF1001V Panasonic
R9, R10, R11, R12, R13 0 154 RES, 154, 1%, 0.5 W, 1210 1210 RC1210FR-07154RL Yageo
R14 0 0 RES, 0, 5%, 0.125 W, AEC-Q200 Grade 0, 0805 0805 ERJ-6GEY0R00V Panasonic
R18, R19 0 0 RES, 0, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 RMCF0603ZT0R00 Stackpole Electronics Inc