Table of Contents
Advertisement
Quick Links
AN11524
NXQ1TXA6 Evaluation Board
Rev. 1 — 17 February 2015
Document information
Info
Keywords
Abstract
Content
NXQ1TXA6, NWP2081, Wireless Charging, Qi, mobile devices, base
station, magnetic coupled power transfer
This document illustrates how to create a Qi A6 wireless power base
station. It uses the NXQ1TXA6 charging controller and its evaluation board
that can deliver up to 5 W effective output at the wireless mobile device
side
Application note
Advertisement
Table of Contents
Related Manuals for NXP Semiconductors AN11524
Summary of Contents for NXP Semiconductors AN11524
- Page 1 AN11524 NXQ1TXA6 Evaluation Board Rev. 1 — 17 February 2015 Application note Document information Info Content Keywords NXQ1TXA6, NWP2081, Wireless Charging, Qi, mobile devices, base station, magnetic coupled power transfer Abstract This document illustrates how to create a Qi A6 wireless power base station.
- Page 2 For sales office addresses, please send an email to: salesaddresses@nxp.com AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 2 of 54...
-
Page 3: Introduction
Wireless charging system as defined by Wireless Power Consortium AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 3 of 54... -
Page 4: Scope
NFC technology but they are not within the scope of this application note. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015... -
Page 5: Getting Started
NFC tap to power on, ensure that the receivers support both Qi wireless charging and NFC technology. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 5 of 54... -
Page 6: Main Features
AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 6 of 54... - Page 7 The function of the switch and push buttons as well as the meaning of the status LED is explained in the next subsections. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 7 of 54...
-
Page 8: Stand-By Power Mode Switch
LED blinks with a rate of 1 Hz. When FOD is disabled, the green LED blinks with a rate of 3 Hz. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 8 of 54... -
Page 9: Status Led
Other content can be programmed into NTAG IC by using, for example, NXPs TagWriter. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015... -
Page 10: Nxp Product Offering
8 leads 9353 026 97118 back controller (SMPS) AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 10 of 54... -
Page 11: System Overview
6. Each subblock is described in Section 5.1 Section 5.8. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 11 of 54... - Page 12 The NXQ1TXA6/001 supports the A6 single-coil and 3-coil configurations. Fig 6. NXQ1TXA6 evaluation board block diagram AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 12 of 54...
-
Page 13: Nxq1Txa6 Charging Controller
AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 13 of 54... -
Page 14: Current Measurement
NXP TagWriter application (see Section 3.9 “NFC functionality”). AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 14 of 54... -
Page 15: Schematics And Bill Of Materials
The half-bridge driver stage enable - nEN_HB1, 2 and 3 signal node • System and power grounds - GND, GNDI AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 15 of 54... -
Page 16: Schematics
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx 6.1 Schematics +3V3 R102 47 kΩ +3V3 JP101 C103 220 nF U101 RESET TEST101 VDD1 SEL3 ASEL3... - Page 17 xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx U203* +12 V TP203 C206 INA214AIDCKT C218 22 μF U202* n.c. R207 R202 1210 ISOUT 10 Ω...
- Page 18 xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx [1, 2, 4] T302 +12 V C307 NX2020N2 68 nF R304 U301 COG 100 V C305 C303 1 Ω...
- Page 19 Fig 10. Amplitude Shift Keying (ASK) envelope detector schematic AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 19 of 54...
- Page 20 xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx OPTION FOR LDO (ALTERNATIVE FOR DC/DC) U602 3 VOUT TDA3663 JP601 +12V T602 SJ601 NX2020P1 U601 C607...
-
Page 21: Bill Of Materials
NTC - only when NTC is needed • NC - not connected, do not place AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 21 of 54... - Page 22 xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx Table 3. Bill Of Materials (BOM) Part Value Part number Manufacturer Package Optional Description audio indicator;...
- Page 23 xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx Table 3. Bill Of Materials (BOM) …continued Part Value Part number Manufacturer Package Optional Description C308 68 nF/C0G/1812...
- Page 24 C0603 capacitor, ceramic, 50 V, NP0, 5 % C706 1nF/NP0 Standard C0603 capacitor, ceramic, 50 V, NP0, 5 % D501 BAS21 BAS21 NXP Semiconductors SOT23 High-voltage switching diode D502 BAS21 BAS21 NXP Semiconductors SOT23 High-voltage switching diode D503 BAS21 BAS21...
- Page 25 xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx Table 3. Bill Of Materials (BOM) …continued Part Value Part number Manufacturer Package Optional Description R109 1 k...
- Page 26 SLIDE-SPDT C&K Components SLIDE-SPDT ZERO OS102011MA1QN1 - switch, SPDT, 0.1 A, 12 V, PCB, R/A T201 NX3008NBKW NX3008NBKW NXP Semiconductors SOT323 30 V, 350 mA N-channel Trench MOSFET T203 NX2020N2 NX2020N2 NXP Semiconductors SOT1220 30 V N-channel Trench MOSFET T204...
- Page 27 Bill Of Materials (BOM) …continued Part Value Part number Manufacturer Package Optional Description T402 NX2020N2 NX2020N2 NXP Semiconductors SOT1220 30 V N-channel Trench MOSFET T403 NX2020N2 NX2020N2 NXP Semiconductors SOT1220 30 V N-channel Trench MOSFET T601 NX3008NBKW NX3008NBKW NXP Semiconductors SOT323 ZERO...
-
Page 28: Critical Components
NX2020N2 (T203 and T204) is used in combination with NWP2081 (U201) half-bridge controller IC. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 28 of 54... -
Page 29: Capacitor Snubber Circuits
Refer to Bill Of Materials in Section 6 for more information. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 29 of 54... -
Page 30: Amplitude-Shift Keying Envelope Detector
The ASEL2 and ASEL3 signals are used for influencing the FOD detection method. Contact NXP for details on specific design configurations. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 30 of 54... -
Page 31: Thermal Protection
If not used, the NTC input must be connected to VDD. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015... -
Page 32: Nfc Antenna Tuning Capacitor
The NFC functionality is optional and not needed for creating a wireless charging base station with NXQ1TXA6 controller. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 32 of 54... -
Page 33: Pcb Layout Guidelines
26, are close by and connected with a wide trace. It ensures effective decoupling action to ground. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 33 of 54... - Page 34 Fig 21. Decoupling capacitors (left) & GND stitching vias underneath NXQ1TXA6 (right) AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015...
-
Page 35: Power Stage
Fig 23. PCB layout of half-bridge driver of coil 1 in NXQ1TXA6 evaluation board AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015... -
Page 36: Dc-To-Dc Converter
AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 36 of 54... -
Page 37: Emc Common Mode Filter
L601 should be used. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015... -
Page 38: Summary
7. Test points for key signal nodes AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 38 of 54... -
Page 39: Waveforms
AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 39 of 54... - Page 40 Depending on receiver characteristics, the waveform on the connection between charging coil and capacitor might have different shape. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 40 of 54...
- Page 41 32, the dead time behavior of the half-bridge driver is visible in the waveform measured at the output of the driver stage. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 41 of 54...
-
Page 42: Ask Waveforms
ASK waveform visible on the charging coil voltage at spot Coil2C and the resulting output AM of the envelope detector. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 42 of 54... -
Page 43: Digital Ping
Qi receiver device. The waveforms show the digital ping when no receiver is present. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 43 of 54... -
Page 44: Nfc Tap To Power On
PWR_ON signal as observed in CH4. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 44 of 54... -
Page 45: Pcb Layout
10. PCB layout aaa-015921 Fig 36. PCB component placement AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 45 of 54... - Page 46 NXQ1TXA6 Evaluation Board aaa-015922 Fig 37. PCB top silkscreen AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 46 of 54...
- Page 47 NXQ1TXA6 Evaluation Board aaa-015923 Fig 38. PCB top layer AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 47 of 54...
- Page 48 NXQ1TXA6 Evaluation Board aaa-015924 Fig 39. PCB layer 2 AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 48 of 54...
- Page 49 NXQ1TXA6 Evaluation Board aaa-015925 Fig 40. PCB layer 3 AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 49 of 54...
- Page 50 NXQ1TXA6 Evaluation Board aaa-015926 Fig 41. PCB bottom layer AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 50 of 54...
-
Page 51: Conclusion
It also demonstrates how to achieve zero power in standby mode base station using NFC technology. AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015 51 of 54... -
Page 52: Legal Information
In no event shall NXP Semiconductors, its affiliates or their suppliers be liable Notwithstanding any damages that customer might incur for any reason to customer for any special, indirect, consequential, punitive or incidental whatsoever, NXP Semiconductors’... -
Page 53: Tables
Fig 39. PCB layer 2 ......48 AN11524 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Application note Rev. 1 — 17 February 2015... -
Page 54: Table Of Contents
Summary ......38 Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. © NXP Semiconductors N.V. 2015. All rights reserved. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com...
Need help?
Do you have a question about the AN11524 and is the answer not in the manual?
Questions and answers