Renesas P9412 Manual page 5

P9412 Evaluation Board Manual
2.1.12.19.
2.1.12.20.
2.1.12.21.
2.1.12.22.
2.1.12.23.
2.1.12.24.
2.1.12.25.
2.1.13. Commonly Used Registers ................................................................................................... 62
2.1.13.1.
2.1.13.2.
3. Schematic Diagram ..................................................................................................................................... 63
4. Bill of Materials ............................................................................................................................................ 64
5. Board Layout ................................................................................................................................................ 66
5.1 FTDI Dongle ........................................................................................................................................ 72
6. Ordering Information ................................................................................................................................... 74
7. Revision History .......................................................................................................................................... 74
Figures
Figure 1. P9412 CSP Demo Board v1.3 ................................................................................................................... 1
Figure 2. Capacitor Divider Mode Transition Sequence ........................................................................................... 7
Figure 3. GUI Software ............................................................................................................................................. 8
Figure 4. FTDI USB-I2C Bridge Connected to I2C Terminal J3 of P9412 CSP TRx Demo Board .......................... 8
Figure 5. Initial Screen of P9412 GUI ....................................................................................................................... 9
Figure 6. USB-Bridge is Detected, P9412 is Not Connected ................................................................................... 9
Figure 7. P9412 MTP Programming using I
Figure 8. MTP Programming Successful ................................................................................................................10
Figure 9. GUI Detects an Unprogrammed Part and Issues a Warning ..................................................................11
Figure 10. Firmware Program Verification Success ...............................................................................................11
Figure 11. Verify FW Revision and Date Code .......................................................................................................12
Figure 12. I2C Read / Write Registers ....................................................................................................................13
Figure 13. Basic 1 Tab, after a "Read 1 time" Operation .......................................................................................13
Figure 14. VOUT Adjustments Can be made in Three Ways .................................................................................14
Figure 15. Check Cap Divider Mode ......................................................................................................................15
Figure 16. Enable Cap Divider Mode Operation.....................................................................................................16
Figure 17. P9412 Successfully Enters Cap Div. Mode and is Ready to Transition to High-Power Operation .......16
Figure 18. P9412 Transition to High Power Operation ...........................................................................................17
Figure 19. Using the GUI to Manually Increase the RX Vout Voltage ....................................................................17
Figure 20. Using the GUI to Manually Decrease the RX Vout Voltage ..................................................................18
Figure 21. Basic Registers Initial Read Back; Before TX Mode Entry....................................................................19
Figure 22. Tx Mode Entry, Without an Rx Placed on the P9412 Coil; Vrect and Vout Voltage Read Back ~7V ...19
Figure 23. Tx Mode, With an Rx Placed on the P9412 Coil; Use the GUI to Monitor the Status ...........................20
Figure 24. Exit Tx Mode, With an Rx Placed on the P9412 Coil; Use the GUI to Send Exit Command ................20
Figure 25. Verify Exit TX Mode; Use the GUI to Read Mode .................................................................................21
Figure 26. I2C Read Protocol using P9412 ............................................................................................................21
Rev.1.7
Jul.8.20
TX Mode Over-Voltage Protection Register, Tx_OVP_L (0x9E), TX_OVP_H (0x9F).................. 60
TX Mode Over-Current Protection Register, TX_OCP_L (0xA0), TX_OCP_H (0xA1) ................. 61
TX Conflict Threshold Register, TxConfThrsh (0x134) ................................................................ 61
TX Conflict Count Register, TxConfCnt (0xAF) ........................................................................... 61
TX Power Register, TX_Power_L (0xAC), TX_Power_H (0xAD) ................................................ 61
TX Dead Time Register, TX_DeadTime (0x9C) .......................................................................... 61
TX Control Delay Register, TX_ControlDelay (0xAE) .................................................................. 62
Monitoring, Status, Interrupt, and Operating Mode Registers ........................................................ 62
Settings and Command Registers ................................................................................................. 62
2
C Slave Device Address 0x3C .........................................................10
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