SLVU793A October   2012  – June 2021 TPS56921

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Background
    2. 1.2 Performance Specification Summary
    3. 1.3 Modifications
      1. 1.3.1 Output Voltage Setpoint
      2. 1.3.2 Slow-Start Time
      3. 1.3.3 Adjustable UVLO
      4. 1.3.4 Input Voltage Rails
  3. 2Test Setup and Results
    1. 2.1 Input/Output Connections
    2. 2.2 Efficiency
    3. 2.3 Output Voltage Load Regulation
    4. 2.4 Output Voltage Line Regulation
    5. 2.5 Load Transients
    6. 2.6 Loop Characteristics
    7. 2.7 Output Voltage Ripple
    8. 2.8 Input Voltage Ripple
    9. 2.9 Powering Up
  4. 3Board Layout
    1. 3.1 Layout
  5. 4Schematic and Bill of Materials
    1. 4.1 Schematic
    2. 4.2 Bill of Materials
  6. 5Revision History

4.2 Bill of Materials

Table 4-1 presents the bill of materials for the TPS56921EVM-188.

Table 4-1 TPS56921EVM-188 Bill of Materials
CountRefDesValueDescriptionSizePart NumberMFR
1C14.7uFCapacitor, Ceramic, 25V, X5R, 10%805StdStd
2C2, C310uFCapacitor, Ceramic, 25V, X5R, 10%1206StdStd
2C4, C80.1uFCapacitor, Ceramic, 25V, X5R, 10%603StdStd
1C50.01uFCapacitor, Ceramic, 25V, X7R, 10%603StdStd
1C6220pFCapacitor, Ceramic, 50V, NPO, 5%603StdStd
1C70.022uFCapacitor, Ceramic, 50V, X7R, 10%603StdStd
2C9, C10100uFCapacitor, Ceramic, 6.3V, X5R, 20%1210StdStd
0C11openCapacitor, Ceramic1210StdStd
0C12openCapacitor, Ceramic603StdStd
7JP1, JP2, JP3, JP4, JP5, JP6, JP7PEC02SAANHeader, Male 2-pin, 100mil spacing,0.100 inch x 2PEC02SAANSullins
2J1, J2ED555/2DSTerminal Block, 2-pin, 6-A, 3.5mm0.27 x 0.25 inchED555/2DSOST
1J3PEC05DAANHeader, Male 2x5-pin, 100mil spacing0.100 inch x 5 X 2PEC05DAANSullins
1J4ED120/2DSTerminal Block, 2-pin, 15-A, 5.1mm0.40 x 0.35 inchED120/2DSOST
1L11.0uHInductor, Power Choke7.0 x 6.9 mm744311100Wurth Elektronik
0R1openResistor, Chip, 1/16W, 1%603StdStd
0R2openResistor, Chip, 1/16W, 1%603StdStd
2R3, R6100kResistor, Chip, 1/16W, 1%603StdStd
3R4, R5, R1010.0kResistor, Chip, 1/16W, 1%603StdStd
1R71.58kResistor, Chip, 1/16W, 1%603StdStd
1R80Resistor, Chip, 1/16W, 1%603StdStd
1R951.1Resistor, Chip, 1/16W, 1%603StdStd
1R1126.7kResistor, Chip, 1/16W, 1%603StdStd
3TP1, TP3,TP115000Test Point, Red, Thru Hole Color Keyed0.100 x 0.100 inch5000Keystone
4TP2, TP4 ,TP8, TP125001Test Point, Black, Thru Hole Color Keyed0.100 x 0.100 inch5001Keystone
5TP5, TP6, TP7, TP9, TP105002Test Point, White, Thru Hole Color Keyed0.100 x 0.100 inch5002Keystone
1U1TPS56921PWPIC, 4.5V to 17V Input, 9A Synchronous Step Down SWIFTConverter With VID ControlHTSSOPTPS56921PWPTI
7--Shunt, 100-mil, Black0.100929950-003M
1--Label (See Note 5)1.25 x 0.25 inchTHT-13-457-10Brady
1--PCB, 3" x 3" x 0.062"PWR188Any