SLVUBX8B October   2020  – December 2021 TPS2661

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 EVM Features
    2. 1.2 EVM Applications
  3. 2Description
  4. 3Schematic
  5. 4General Configurations
    1. 4.1 Physical Access
    2. 4.2 Test Equipment and Setup
      1. 4.2.1 Power Supplies
      2. 4.2.2 Meters
      3. 4.2.3 Oscilloscope
      4. 4.2.4 Loads
  6. 5Test Setup and Procedures
    1. 5.1 Overload Protection Test
    2. 5.2 Output Short-Circuit Test
    3. 5.3 Input Undervoltage Protection Test
    4. 5.4 Output Undervoltage Protection Test
    5. 5.5 Output Overvoltage Protection Test
    6. 5.6 TPS26612 Overload Protection Test
    7. 5.7 Current Limiting for VIN < –Vs
    8. 5.8 Surge Protection Test (Current Input, CH1)
    9. 5.9 Surge Protection Test (Analog Output, CH2)
  7. 6EVAL Board Assembly Drawings and Layout Guidelines
    1. 6.1 PCB Drawings
  8. 7Bill Of Materials (BoM)
  9. 8Revision History

7 Bill Of Materials (BoM)

Table 7-1 lists the EVM BOM.

Table 7-1 TPS2661EVM Bill of Materials
Designator QTY Value Description Package Reference Part Number Manufacturer Alternate Part Number(1) Alternate Manufacturer(1)
!PCB1 1 Printed Circuit Board PSIL116 Any
C1, C2, C6, C7 4 0.1 uF CAP, CERM, 0.1 µF, 50 V,±10%, X7R, AEC-Q200 Grade 1, 0603 0603 C0603C104K5RACAUTO Kemet
C4, C9 2 100 pF CAP, CERM, 100 pF, 25 V, ±10%, X7R, 0603 0603 06033C101KAT2A AVX
D1, D5 2 Red LED, Red, SMD Body1.6x0.8mm APTD1608LSECK/J3-PF Kingbright
D2 1 45 V Diode, Schottky, 45 V, 0.1 A, SOD-523 SOD-523 SDM10U45-7-F Diodes Inc.
D4, D9 2 Green LED, Green, SMD 1.6x0.8x0.8mm LTST-C190GKT Lite-On
H1, H2, H3, H4 4 Bumpon, Hemisphere, 0.44 X 0.20, Clear Transparent Bumpon SJ-5303 (CLEAR) 3M
J1, J3, J9 3 Terminal Block, 2x1, 5.08mm, TH 10.16x15.2x9mm 282841-2 TE Connectivity
J2, J8 2 Terminal Block, 5.08mm, 3x1, Tin, TH Terminal Block, 5.08mm, 3x1, TH 282841-3 TE Connectivity
J4, J10, J14, J15 4 Header, 100mil, 3x1, Tin, TH Header, 3 PIN, 100mil, Tin PEC03SAAN Sullins Connector Solutions
J5, J7, J11, J12, J16, J17, J18, J19, J20 9 Header, 100mil, 2x1, Gold, TH Header, 100mil, 2x1, TH HTSW-102-07-G-S Samtec
J6 1 Header, 100mil, 3x2, Tin, TH 3x2 Header PEC03DAAN Sullins Connector Solutions
J13 1 SMA Straight Jack, Gold, 50 Ohm, TH SMA Straight Jack, TH 901-144-8RFX Amphenol RF
R1, R4 2 1.00 k RES, 1.00 k, 0.5%, 0.1 W, 0603 0603 RT0603DRD071KL Yageo
R2, R5 2 0 RES, 0, 5%, 0.1 W, 0603 0603 RC0603JR-070RL Yageo
R3, R6 2 180 k RES, 180 k, 0.1%, 0.125 W, 0805 0805 RT0805BRD07180KL Yageo America
R7, R10 2 24.3 k RES, 24.3 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060324K3FKEA Vishay-Dale
R8 1 49.9 Res Thick Film 0402 49.9Ohm 0.1% 10ppm/K Paper T/R 0402 TNPW040249R9BYEP Vishay
R9 1 100 100 Ohms ±0.1% 0.2W, 1/5W Chip Resistor 0805 (2012 Metric) Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant 0805 TNPW0805100RBYEN Vishay
R11 1 249 Res Precision Thin Film 1206 249 Ohm 0.1% 2/5W ±10ppm/°C Molded T/R 1206 RQ73C2B249RBTD TE Connectivity
R12 1 100 k 100 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 1 Turn Top Adjustment SMT_POT_3MM20_3MM51 22AR100KLFTR TT Electronics
R13 1 12.1 k RES, 12.1 k, 0.5%, 0.1 W, 0603 0603 RT0603DRE0712K1L Yageo America
R14 1 8.06 k RES, 8.06 k, 0.5%, 0.1 W, 0603 0603 RT0603DRE078K06L Yageo America
R15 1 4.02 k RES, 4.02 k, 0.5%, 0.1 W, 0603 0603 RT0603DRE074K02L Yageo America
R16, R17 2 2 M TRIMMER, 2M ohm, 0.5W, TH 375x190x375mil 3386P-1-205LF Bourns
R18 1 47.0 k RES, 47.0 k, 0.1%, 0.1 W, 0603 0603 RT0603BRD0747KL Yageo America
R19 1 6.73 k RES, 6.73 k, 0.1%, 0.1 W, 0603 0603 RT0603BRD076K73L Yageo America
R20 1 6.04 Meg RES, 6.04 M, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW06036M04FKEA Vishay-Dale
R21 1 1.00 Meg RES, 1.00 M, 0.5%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW06031M00DHEAP Vishay-Dale
SH-J4, SH-J5, SH-J6, SH-J7, SH-J10, SH-J11, SH-J12, SH-J14, SH-J15, SH-J16, SH-J17, SH-J18, SH-J19, SH-J20 14 1x2 Shunt, 100mil, Flash Gold, Black Closed Top 100mil Shunt SPC02SYAN Sullins Connector Solutions
TP1, TP5, TP9, TP15 4 Test Point, Multipurpose, Red, TH Red Multipurpose Testpoint 5010 Keystone
TP2, TP3, TP4, TP10, TP11, TP16 6 Test Point, Multipurpose, Orange, TH Orange Multipurpose Testpoint 5013 Keystone
TP6, TP14 2 Test Point, Multipurpose, White, TH White Multipurpose Testpoint 5012 Keystone
TP7, TP8 2 Test Point, Multipurpose, Black, TH Black Multipurpose Testpoint 5011 Keystone
TP12, TP13 2 Test Point, Compact, SMT Testpoint_Keystone_Compact 5016 Keystone
U1 1 50 V, Universal 4-20 mA, ±20-mA Current Loop Protector with Input/Output Miswiring Protection SOT23-8 TPS26610DDFR Texas Instruments
U2, U5 2 33 V Bidirectional Flat-Clamp Surge Protection Device, DRB0008A (VSON-8) DRB0008A TVS3301DRBR Texas Instruments TVS3301DRBT Texas Instruments
U3 1 TPS26611, DDF0008A (SOT-23-THN-8) DDF0008A TPS26612DDFR Texas Instruments TPS26611DDFT Texas Instruments
U4 1 High-Voltage, High-Current Operational Amplifier, 8 to 60 V, -55 to 125 degC, 7-Pin DDPAK (KTW), Green (RoHS & no Sb/Br), Tape and Reel KTW0007A OPA551FAKTWT
C3, C5, C8, C10 0 0.01 uF CAP, CERM, 0.01 uF, 50 V, ±10%, X7R, AEC-Q200 Grade 1, 0603 0603 GCM188R71H103KA37D MuRata
D3, D6 0 33 V Diode, TVS, Bi, 33 V, SMB SMB SMBJ33CA-13-F Diodes Inc.
FID1, FID2, FID3, FID4, FID5, FID6 0 Fiducial mark. There is nothing to buy or mount. N/A N/A N/A
U6, U7 0 33 V Bidirectional Flat-Clamp Surge Protection Device, DRB0008A (VSON-8) DRB0008A TVS3301DRBR Texas Instruments TVS3301DRBT Texas Instruments
(1) Unless otherwise noted in the Alternate Part Number or Alternate Manufacturer columns, all parts can be substituted with equivalents.