SNVAA98 January   2024 LM25148 , LM74910-Q1 , TPS38700 , TPS389006 , TPS389006-Q1 , TPS628301 , TPS628302 , TPS628303 , TPS6287B10 , TPS6287B25 , TPS746

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. Introduction
  5. Design Parameters
  6. Schematics
  7. Design Considerations
  8. Front-End Protection
  9. 3.3V Always-ON Bias Supply
  10. 5V Pre-Regulator Buck Converter
  11. Low-Voltage High-Current Core Rail Buck Converter
  12. On-Board Core Rail Output Load Transient Stepper
  13. 10Multiple Peripheral Rail Buck Converters Sub-Circuits Schematic
  14. 11Voltage Supervisor and Sequencer
  15. 1212-Channel Sequencer Alternative
  16. 13Summary
  17. 14References

Schematics

Figure 3-1 shows the LM74910 schematic with critical components. For layout guidance, see the corresponding device data sheet and EVM user guide.

GUID-20231120-SS0I-WZ3C-W6L9-PTDSCRHLQLPB-low.svgFigure 3-1 LM74910 Schematic for Front-End Protection

Figure 3-2 shows the TLV76033 schematic with critical components. For layout guidance, see the corresponding device data sheet and EVM user guide.

GUID-20231120-SS0I-1NCN-HQZ9-QSGCXQWRVLSD-low.svgFigure 3-2 TLV76033 Schematic for 3.3V Always-ON Bias Supply

Figure 3-3 shows the LM25148 schematic with critical components. For layout guidance, see the corresponding device data sheet and EVM user guide.

GUID-20231120-SS0I-NZPP-DPHL-02DWXP72Q4GV-low.svgFigure 3-3 LM25148 Schematic for 5V Pre-Regulator Buck Converter

Figure 3-4 shows the TPS6287B25 schematic with critical components. For layout guidance, see the corresponding device data sheet and EVM user guide.

GUID-20231120-SS0I-ZCQC-19B9-ZQRTGR4CVTVT-low.svgFigure 3-4 TPS6287B25 Schematic for Digital Core Rail

Figure 3-5 shows the TPS62830x schematic with critical components. For layout guidance, see the corresponding device data sheet and EVM user guide.

GUID-20231120-SS0I-VMSH-MPLJ-N0SB2SG91NZK-low.svgFigure 3-5 TPS62830x Schematics for Multiple Peripheral Rails

Figure 3-6 shows the TPS746 schematic with critical components. For layout guidance, see the corresponding device data sheet and EVM user guide.

GUID-20231120-SS0I-QVF5-LCSR-RXXSKC8MQ78L-low.svgFigure 3-6 TPS746 Schematic for GTAVCCAUX Rail

Figure 3-7 shows the TPS389006 and TPS38700S schematics with critical components. For layout guidance, see the corresponding device data sheet and EVM user guide.

GUID-20231120-SS0I-QDRB-5KM4-NP1HFCCXTM18-low.svgFigure 3-7 TPS389006 and TPS38700S Schematics of Voltage Supervisor and Sequencer