P9222-R/RN Datasheet

© 2019-2022 Renesas Electronics Corporation

5

May 5, 2022

Figure 5. System Efficiency vs Output Current.................................................................................................................................................16

Figure 6. VRECT vs IOUT, Vout = 5.0V ...........................................................................................................................................................16

Figure 7. Reported Received Power (RPP) vs Iout on NOK9 Transmitter .......................................................................................................16

Figure 8. PDIFF (PTX-PRX) vs Iout on NOK9 Transmitter...............................................................................................................................16

Figure 9. Initial Startup......................................................................................................................................................................................17

Figure 10. Active Charging Area (Efficiency, 14 × 15 mm).................................................................................................................................17

Figure 11. Load Transient Response 1 (Vout = 5V, Iout 0mA to 500mA) .........................................................................................................17

Figure 12. Load Transient Response 2 (Vout = 5V, Iout 0mA to 1000mA) .......................................................................................................17

Figure 13. Ping Detect Timing ............................................................................................................................................................................17

Figure 14. AC Modulation (COM1) .....................................................................................................................................................................17

Figure 15. RTH1 and R21 Schematic Location ..................................................................................................................................................20

Figure 16. RTH1 and R21 PCB Location............................................................................................................................................................20

Figure 17. Timing Diagram for a User Data Transfer from the P9222-R/RN to the P9235-RB ..........................................................................23

Figure 18. Typical P9222-R/RN to P9235-RB Data Transfer using the P9235A-RB-EVK Evaluation Kit...........................................................23

Figure 19. State Diagram for User Data Transmission from the P9222-R/RN to the P9235-RB........................................................................24

Figure 20. State Diagram for Reading User Data Received from the P9235-RB ...............................................................................................26

Figure 21. Rx Modulation Components ..............................................................................................................................................................27

Figure 22. Communication Packet Structure......................................................................................................................................................28

Figure 23. WPC Packet Example with Reference Clock Shown ........................................................................................................................28

Figure 24. Byte Encoding Scheme .....................................................................................................................................................................28

Figure 25. WPC System Feedback Control BPP Mode......................................................................................................................................29

Figure 26. Dual Resonant Circuits with Receiver Coil........................................................................................................................................31

Figure 27. P9222-R/RN Recommended Enable Default State Configurations...................................................................................................32

Figure 28. GP0 Pin External Connection to Thermistor Configuration ...............................................................................................................33

Figure 29. GP2 Pin External Connections for External EEPROM Selection ......................................................................................................34

Figure 30. Ping Detection – Typical Application Schematic Components and Connections ..............................................................................34

Figure 31. P9222-R/RN Ping Detect Waveforms ...............................................................................................................................................35

Figure 32. Writing to the Vout_Set Register using P9222-R/RN Windows GUI .................................................................................................37

Figure 33. Changing the Default VOUT Value using the P9222-R/RN Windows GUI........................................................................................38

Figure 34. Changing the Default FOD Registers using the P9222-R/RN Windows GUI ....................................................................................40

Figure 35. Modulation and INT Settings Tab......................................................................................................................................................41

Figure 36. P9222-R/RN Application Schematic..................................................................................................................................................53

List of Tables

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

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

Table 3. Thermal Characteristics for 40-WLCSP Package .............................................................................................................................10

Table 4. ESD Information ................................................................................................................................................................................11

Table 5. Electrical Characteristics ...................................................................................................................................................................11

Table 6. Registers Used for Data Transmission from P9222-R/RN to P9235-RB...........................................................................................22