P9415-R Datasheet

© 2021 Renesas Electronics Corporation

4

May 4, 2021

List of Figures

Figure 1. Pin Assignments..................................................................................................................................................................................7

Figure 2. Block Diagram of WPC System.........................................................................................................................................................14

Figure 3. System Efficiency vs Output Current, VOUT = 12V ..........................................................................................................................15

Figure 4. VRECT vs Output Current, VOUT = 12V...........................................................................................................................................15

Figure 5. System Efficiency vs Output Current, VOUT = 9V ............................................................................................................................16

Figure 6. VRECT vs Output Current, VOUT = 9V.............................................................................................................................................16

Figure 7. PDIFF (PTX-PRX) vs Iout on NOK9 Transmitter...............................................................................................................................17

Figure 8. Initial Startup Waveform ....................................................................................................................................................................17

Figure 9. Rx Mode Active Charging Area (Efficiency, 18 x 18 mm)..................................................................................................................18

Figure 10. Load Transient Response (Iout Change from 0A to 1.3A).................................................................................................................18

Figure 11. INHIBIT Operation.............................................................................................................................................................................19

Figure 12. TRx Mode System Efficiency (Test with P9415-R for Rx) .................................................................................................................19

Figure 13. P9415-R TRx Mode Active Charging Area with P9415-R Rx (Efficiency, 17 x 17 mm).....................................................................20

Figure 14. X-Y Alignment....................................................................................................................................................................................20

Figure 15. Internal Block Diagram ......................................................................................................................................................................21

Figure 16. Rx Modulation Components ..............................................................................................................................................................23

Figure 17. Communication Packet Structure......................................................................................................................................................23

Figure 18. Bit Encoding Scheme ........................................................................................................................................................................24

Figure 19. Byte Encoding Scheme .....................................................................................................................................................................24

Figure 20. WPC System Feedback Control........................................................................................................................................................25

Figure 21. Enabling WattShareTM (TRx) Mode....................................................................................................................................................28

Figure 22. WattShareTM Mode Demodulation Filter............................................................................................................................................29

Figure 23. Typical XY Align Coil Schematic Level Connection Guide ................................................................................................................32

Figure 24. GP2 Pin External Connection to Thermistor Configuration ...............................................................................................................34

Figure 25. P9415-R Wireless Power Pro GUI ....................................................................................................................................................37

Figure 26. Typical TRx Applications Schematic .................................................................................................................................................38

List of Tables

Table 1. Pin Descriptions...................................................................................................................................................................................8

Table 2. Absolute Maximum Ratings...............................................................................................................................................................10

Table 3. Thermal Characteristics[a][b][c][d]..........................................................................................................................................................10

Table 4. Device Characteristics.......................................................................................................................................................................11

Table 5. Recommended Coil Manufacturer.....................................................................................................................................................30

Table 6. Transient Voltage Suppressors (TVS) Recommendations................................................................................................................31

Table 7. Q Factor Main – GP1.........................................................................................................................................................................33

Table 8. Q Factor Offset – GP3.......................................................................................................................................................................33

Table 9. Recommended Maximum Estimated Power Loss.............................................................................................................................35

Table 10. Chip ID (0x00, 0x01)..........................................................................................................................................................................40