SLVU189B february   2007  – may 2023 TPS74701 , TPS74801

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
    1. 1.1 Performance Specification Summary
    2. 1.2 Modifications
  5. 2Input and Output Connector Descriptions
    1. 2.1  J1–VIN/GND
    2. 2.2  J2–GND
    3. 2.3  J3–VIN
    4. 2.4  J4–VBIAS
    5. 2.5  J5–GND
    6. 2.6  J6–VOUT
    7. 2.7  J7–GND
    8. 2.8  J8–VOUT/GND
    9. 2.9  J10–EN
    10. 2.10 J11–GND
    11. 2.11 J12-VIN/GND
    12. 2.12 J13-VOUT/GND
    13. 2.13 JP1–1 ms/Simult Versus 10 ms/Ratio
    14. 2.14 S1
    15. 2.15 TP1
    16. 2.16 TP2
    17. 2.17 TP3
    18. 2.18 TP4
  6. 3Test Setup
  7. 4Test Results
  8. 5Board Layout
  9. 6Bill of Materials and Schematic
    1. 6.1 Schematic Drawing
  10. 7Revision History

6 Bill of Materials and Schematic

Table 6-1 HPA177 Bill of Materials
Count RefDes Value Description Size Part Number MFR
-001 -002
1 0 U1 IC, 1.5A LDO Regulator with Soft-Start SON-10 TPS74801DRCRM3 TI
0 1 U1 IC, 500mA LDO With Programmable Soft Start SON-10 TPS74701DRCRM3 TI
1 1 C1 1.0 μF Chip Capacitor,0603,X5R,25V,1uF,±10% 0603 C0603X5R250-105KNE Venkel
2 2 C3, C2 4.7 μF Chip Capacitor,0603,X5R,6.3V,4.7uF,±10% 0603 C0603X5R6R3-475KNE Venkel
1 1 C4 560 pF Chip Capacitor,0603,C0G,50V,560pF,±1% 0603 C0603C0G500-561FNE Venkel
1 1 C5 5600 pF Chip Capacitor,0603,C0G,50V,5600pF,±5% 0603 C0603C0G500-562JNP Venkel
2 2 J1, J8 Terminal Block, Wire to Board, 2pin, 16A, 5mm 691137710002 Würth Elektronik
8 8 J2, J3, J4, J5, J6, J7, J10, J11 Header, 100mil, 2x1, Tin, TH 100mil x 2 PEC02SAAN Sullins Connector Solutions
1 1 JP1 Header, 100mil, 3x1, Tin, TH 100mil x 2 PEC03SAAN Sullins Connector Solutions
1 1 R1 2.49 kΩ Chip Resistor,0603,1/16W,2.49k,±1% 0603 CR0603-16W-2491FT Venkel
1 1 R2 4.99 kΩ Chip Resistor,0603,1/16W,4.99k,±1% 0603 CR0603-16W-4991FT Venkel
1 1 R3 10 kΩ Chip Resistor,0603,1/16W,10k,±1% 0603 CR0603-16W-1002FT Venkel
1 1 R7 100 kΩ Chip Resistor,0603,1/16W,100k,±1% 0603 CR0603-16W-1003FT Venkel
1 1 SH-J1 1x2 Shunt, 100mil, Gold plated, Black Shunt SNT-100-BK-G Samtech
1 1 SW1 Slide Switch, 30 V, -20 to 70 °C, 3-Pin TH EG1218 EG1218 E-Switch
4 4 TP1, TP2, TP3, TP4 Test Point, Compact, SMT Testpoint_Keystone_Compact 5016 Keystone Electronics
0 0 C6, C7 330 μF 2917
0 0 J12, J13 SMA Connector Jack, Female Socket 50Ohm Through Hole Solder CONN_RF_7MM00_7MM00 RF2-04A-T-00-50-G Adam Tech
0 0 J14 Header, 2.54mm, 4x2, Gold, TH
0 0 J15, J16, J17, J18, J19, J20, J21 Solder Shorting Jumper JMP-36-30X40SMT