SNVU695A June   2020  – January 2022 LP87702-Q1

 

  1. 1Introduction
  2. 2xWR Power Supply Requirements
    1. 2.1 Recommended Supply Voltage Requirements
    2. 2.2 Input Supply Current Requirements
    3. 2.3 Input Supply Ripple Requirements
  3. 3Power Solution
    1. 3.1 1.0 V and 1.8 V RF Rail LC Filters
  4. 4Measurements
  5. 5Schematic
  6. 6Bill of Materials
  7. 7Conclusion
  8. 8References
  9. 9Revision History

5 Schematic

Figure 5-1 shows the xWR radar power tree schematics with critical components. Notice the capacitors C31 and C36 are not populated but it is recommended to provision an area for third capacitor to improve noise performance if necessary.

GUID-C2B598D6-B084-460D-970A-9846921440D1-low.gif Figure 5-1 Schematic of the Power Tree