SLVUBI1 May   2021

 

  1.   Trademarks
  2. 1TPS7H4002EVM-CVAL Overview
    1. 1.1 Features
    2. 1.2 Applications
  3. 2TPS7H4002EVM-CVAL Default Configuration
  4. 3TPS7H4002EVM-CVAL Initial Setup
  5. 4TPS7H4002EVM-CVAL Testing
    1. 4.1 Output Voltage Regulation
    2. 4.2 Output Voltage Ripple
    3. 4.3 Soft Start-up
    4. 4.4 Transient Response to Positive/Negative Load Step (0 A to 3A to 0A)
    5. 4.5 Input Voltage Ripple
    6. 4.6 Loop Frequency Response
    7. 4.7 Current Limiting
  6. 5TPS7H4002EVM-CVAL EVM Schematic
  7. 6TPS7H4002EVM-CVAL Bill of Materials (BOM)
  8. 7Board Layout

6 TPS7H4002EVM-CVAL Bill of Materials (BOM)

Table 6-1 displays the EVM BOM.

Table 6-1 TPS7H4002EVM-CVAL Bill of Materials (BOM)
Designator QTY Value Description Package Reference Part Number Manufacturer
!PCB1 1 Printed Circuit Board LP043 Any
C1 1 0.01uF CAP, CERM, 0.01 uF, 50 V, ±10%, X7R, 0805 0805 C0805C103K5RACTU Kemet
C3 1 4.7uF CAP, CERM, 4.7 uF, 10 V, ±10%, X7R, 1210 1210 C1210C475K8RACTU Kemet
C4, C5 2 0.1uF CAP, CERM, 0.1 uF, 50 V, ±5%, X7R, 0805 0805 08055C104JAT2A AVX
C6 1 22pF CAP, CERM, 22 pF, 50 V, ±5%, C0G/NP0, 0805 0805 C0805C220J5GACTU Kemet
C7, C21 2 330uF CAP, Tantalum Polymer, 330 uF, 10 V, ±20%, 0.006 ohm, 7343-43 SMD 7343-43 T530X337M010ATE006 Kemet
C8 1 22uF CAP, CERM, 22 uF, 16 V, ±10%, X7R, 1210 1210 C3225X7R1C226K250AC TDK
C14 1 0.022uF CAP, CERM, 0.022 uF, 100 V, ±10%, X7R, 0805 0805 08051C223KAT2A AVX
C15 1 0.47uF CAP, CERM, 0.47 uF, 50 V, ±10%, X7R, 0805 0805 C2012X7R1H474K125AB TDK
C20 1 0.1uF CAP, CERM, 0.1 uF, 50 V, ±5%, X7R, 1206 1206 C1206C104J5RACTU Kemet
D1 1 5.1V Diode, Zener, 5.1 V, 300 mW, AEC-Q101, SOT-23 SOT-23 DZ23C5V1-E3-18 Vishay-Semiconductor
D2 1 Orange LED, Orange, SMD LED_0805 LTST-C170KFKT Lite-On
D3 1 30V Diode, Schottky, 30 V, 2 A, SMB SMB B230-13-F Diodes Inc.
H1, H2, H3, H4 4 Machine Screw, Round, #4-40 x 1/4, Nylon, Philips panhead Screw NY PMS 440 0025 PH B&F Fastener Supply
H5, H6, H7, H8 4 Standoff, Hex, 0.5"L #4-40 Nylon Standoff 1902C Keystone
J1, J6 2 Terminal Block, 4x1, 5.08mm, TH 4x1 Terminal Block 39544-3004 Molex
J2, J5, J7, J8 4 Standard Banana Jack, Uninsulated, 5.5mm Keystone_575-4 575-4 Keystone
J3 1 Header, 100mil, 2x1, Gold, TH 2x1 Header TSW-102-07-G-S Samtec
J4, J9 2 Compact Probe Tip Circuit Board Test Points, TH, 25 per TH Scope Probe 131-5031-00 Tektronix
L1 1 Shielded Power Inductor 2.2µH 12.1A 12.43mOhm Max 2SMD SMD2 XEL5050-222MEC Coilcraft
LBL1 1 Thermal Transfer Printable Labels, 0.650" W x 0.200" H - 10,000 per roll PCB Label 0.650 x 0.200 inch THT-14-423-10 Brady
R1, R8, R9 3 0 RES, 0, 5%, 0.125 W, AEC-Q200 Grade 0, 0805 0805 CRCW08050000Z0EA Vishay-Dale
R2 1 1.00k RES, 1.00 k, 1%, 0.125 W, AEC-Q200 Grade 0, 0805 0805 ERJ-6ENF1001V Panasonic
R3 1 2.00k RES, 2.00 k, 1%, 0.125 W, AEC-Q200 Grade 0, 0805 0805 ERJ-6ENF2001V Panasonic
R5 1 4.70k RES, 4.70 k, 0.1%, 0.125 W, 0805 0805 RG2012P-472-B-T5 Susumu Co Ltd
R7 1 10.0k RES, 10.0 k, 0.1%, 0.125 W, 0805 0805 RG2012P-103-B-T5 Susumu Co Ltd
R10 1 95.3k RES, 95.3 k, 1%, 0.125 W, AEC-Q200 Grade 0, 0805 0805 CRCW080595K3FKEA Vishay-Dale
R11 1 910 RES, 910, 5%, 0.125 W, AEC-Q200 Grade 0, 0805 0805 CRCW0805910RJNEA Vishay-Dale
R13 1 10.0k RES, 10.0 k, 1%, 0.125 W, AEC-Q200 Grade 0, 0805 0805 CRCW080510K0FKEA Vishay-Dale
R14 1 11.8k RES, 11.8 k, 1%, 0.125 W, AEC-Q200 Grade 0, 0805 0805 ERJ-6ENF1182V Panasonic
R15 1 3.40k RES, 3.40 k, 1%, 0.125 W, AEC-Q200 Grade 0, 0805 0805 CRCW08053K40FKEA Vishay-Dale
TP1, TP4, TP6, TP8, TP17, TP18, TP19 7 Test Point, Miniature, Red, TH Red Miniature Testpoint 5000 Keystone
TP2, TP3, TP5, TP7, TP9, TP22, TP27 7 Test Point, Miniature, White, TH White Miniature Testpoint 5002 Keystone
TP10, TP11, TP12, TP13, TP14, TP15, TP16, TP23, TP24, TP25, TP26 11 Test Point, Miniature, Black, TH Black Miniature Testpoint 5001 Keystone
TP20, TP21 2 Test Point, Miniature, Yellow, TH Yellow Miniature Testpoint 5004 Keystone
U1 1 Radiation Hardness Assured (RHA) 3-V to 7-V Input, 3-A Synchronous Step Down Converter CFP20 TPS7H4002HKH/EM Texas Instruments
C2 0 0.1uF CAP, CERM, 0.1 uF, 50 V, ±5%, X7R, 0805 0805 08055C104JAT2A AVX
C9, C10, C11, C12, C13 0 22uF CAP, CERM, 22 uF, 16 V, ±10%, X7R, 1210 1210 C3225X7R1C226K250AC TDK
C16, C18, C19 0 330uF CAP, Tantalum Polymer, 330 uF, 10 V, ±20%, 0.006 ohm, 7343-43 SMD 7343-43 T530X337M010ATE006 Kemet
C17, C22 0 0.1uF CAP, CERM, 0.1 uF, 50 V, ±5%, X7R, 1206 1206 C1206C104J5RACTU Kemet
C23 0 0.47uF CAP, CERM, 0.47 uF, 50 V, ±10%, X7R, 0805 0805 C2012X7R1H474K125AB TDK
FID1, FID2, FID3 0 Fiducial mark. There is nothing to buy or mount. N/A N/A N/A
R4, R6 0 0 RES, 0, 5%, 0.125 W, AEC-Q200 Grade 0, 0805 0805 CRCW08050000Z0EA Vishay-Dale
R12 0 499k RES, 499 k, 0.1%, 0.125 W, 0805 0805 RG2012P-4993-B-T5 Susumu Co Ltd