SLVAFU5 July   2024 LP87521-Q1 , LP87562-Q1 , LP87563-Q1 , TPS62811-Q1 , TPS745-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1 Introduction
  5. 2 Design Parameters
  6. 3 Power Design
  7. 4 Sequencing
    1. 4.1 Startup
    2. 4.2 Shutdown
  8. 5 Schematic
  9. 6 Compatibility with X9HP
  10. 7 Software Drivers
  11. 8 Recommended External Components
  12. 9 Summary
  13. 10References

8 Recommended External Components

Assuming 1mm keep-out around each component, and multiplying by component count

Table 8-1 Bill of Materials
COUNT VENDOR PART NUMBER SYSTEM COMPONENT W (mm) L (mm) H (mm) UNIT AREA TOTAL BOARD AREA
3 TI LP875x-Q1 Configurable 4-phase Buck 4 4.5 0.9 27.5 82.5
12 Murata DFE252012PD-R47M LP875x Inductor 0.47µH, Imax 4.0A, Rdc typ 21mOhm 2.5 2 1.2 10.5 126
12 Murata GCM21BR71A106KE22 LP875x SMPS Input Capacitor 10µF, 10V, 10% 2 1.25 1.25 6.75 81
24 Murata GCM21BD70J226ME35 LP875x SMPS Output Capacitor 22µF, 10V, 10% 2 1.25 1.25 6.75 162
3 Murata GCM155R71C104KA55D LP875x Input Capacitor 0.1µF, 16V, 10% 1 0.5 0.5 3 9
5 TI TPS74501-Q1 Low Dropout Regulator (adjustable) 2 2 0.8 9 45
5 Murata GCM188R71C105KA64D Input Capacitor 1µF 1 0.5 0.5 3 15
15 Output voltage set/PG resistor 1 0.5 0.5 3 45
5 Murata GRT155C71A225KE13 Output Capacitor 2.2µF 1 0.5 0.5 3 15
1 TI TPS628501-Q1 Buck Converter 3 2 0.8 12 12
1 Murata DFE252012PD-R47M Inductor 0.47µH, Imax 4.0A, Rdc typ 21mOhm 2.5 2 1.2 10.5 10.5
1 Murata GCM21BD70J226ME35 Input Capacitor 22µF, 10V, 10% 2 1.25 1.25 6.75 6.75
2 Murata GCM21BD70J226ME35 Output Capacitor 22µF, 10V, 10% 2 1.25 1.25 6.75 13.5
2 Frequency set/PG resistor 1 0.5 0.5 3 6
1 TI TPS6281120-Q1 Buck Converter 3 2 0.8 12 12
1 Murata DFE252012PD-R47M Inductor 0.47µH, Imax 4.0A, Rdc typ 21mOhm 2.5 2 1.2 10.5 10.5
1 Murata GCM21BD70J226ME35 Input Capacitor 22µF, 10V, 10% 2 1.25 1.25 6.75 6.75
2 Murata GCM21BD70J226ME35 Output Capacitor 22µF, 10V, 10% 2 1.25 1.25 6.75 13.5
1 Murata GRT155R71H472KE01 CSS capacitors 1 0.5 0.5 3 3
4 Config resistor 1 0.5 0.5 3 12
1 Murata GCM21BR71A106KE22 Output Capacitor 10µF, 10V, 10% 2 1.25 1.25 6.75 6.75
1 TI TLV76733-Q1 Low Dropout Regulator 3 3 1 16 16
1 Murata GCM188R71C105KA64D Input Capacitor 1µF 1 0.5 0.5 3 3
1 Murata GCM188R71C105KA64D Input Capacitor 1µF 1 0.5 0.5 3 3
TOTAL 715.75mm2
Routing area calculated with 0.3 routing factor 306.75mm2
Total estimated area 1022.5mm2