P9412 Datasheet

R35DS0011EU0120 Rev.1.2

Jul.6.21

Page 3

3.17 Input Capacitor (VRECT Capacitors) .................................................................................................. 20

3.18 Output Capacitors (VOUT and CPOUT Capacitors) ........................................................................... 21

3.19 LDO1P8 Capacitor............................................................................................................................... 21

3.20 LDO5P0 Capacitor............................................................................................................................... 21

3.21 XY Alignment ....................................................................................................................................... 21

3.22 PCLAMP Connection........................................................................................................................... 22

3.23 Low Power Ping Detection (PDETB) ................................................................................................... 22

3.24 SW Inhibit ............................................................................................................................................ 22

3.25 Reported Q-Factor (EPP Rx mode)..................................................................................................... 22

3.26 Typical Operating Characteristics........................................................................................................ 23

4.

Package Outline Drawings.......................................................................................................................... 28

5.

Ordering Information................................................................................................................................... 28

6.

Revision History .......................................................................................................................................... 28

Figures

Figure 1. Block Diagram ...........................................................................................................................................1

Figure 2. Pin Assignments – Top View.....................................................................................................................4

Figure 3. Block Diagram of a WPC System............................................................................................................12

Figure 4. Simplified Block Diagram ........................................................................................................................13

Figure 5. Tx DEMOD Filter and AC Coupling.........................................................................................................14

Figure 6. Typical XY Align Coil Schematic Level Connection Guide......................................................................22

Figure 7. Wireless Initial Start-Up Waveforms Rx Mode from First Digital PING...................................................23

Figure 8. Wireless Start-Up Waveforms Rx Mode from First Digital PING until VOUT..........................................23

Figure 9. Capacitive Divider Start-up Waveforms (Initiated after Wireless Power Start-Up), VOUT=6V...............23

Figure 10. Capacitive Divider Shutdown Waveforms (Initiated after Wireless Power Start-Up), VOUT=6V .........23

Figure 11. WP Efficiency vs. Output Current; Capacitor Divider Mode at 10V 0 to 30W, various Rx Coils...........24

Figure 12. WP Efficiency vs. Output Current; Capacitor Divider Mode at 6V, 7.5V with Rx only Coil ...................24

Figure 13. Efficiency vs. Output Current during Wireless Power Transfer; Bypass Mode (VOUT=CPOUT).........25

Figure 14. Efficiency vs. Output Current during Wireless Power transfer; Tx Mode (VIN=CPOUT)......................25

Figure 15. Efficiency vs. Output Current Stand-alone Capacitor Divider Only (VOUT=Vrect=2xCPout)...............26

Figure 16. P9412 CSP Demo PCB Reference Schematic .....................................................................................27

Tables

Table 1. Pin Descriptions..........................................................................................................................................5

Table 2. Absolute Maximum Ratings ........................................................................................................................7

Table 3. Thermal Characteristics..............................................................................................................................7

Table 4. Electrical Characteristics ............................................................................................................................8