NXP 车载无线充电发射端设计 - Wireless Power Consortium
NXP车载无线充电发射端设计DEREK WANG/王德昌MAY 2017EXTERNAL USE
NXP 0WRX30W - 200W30W – 200WWCT-15WTXAUTOWCT-15WTXAUTOS15W Qi, MP-A9 5W PMA15W Qi, MP-A9 AutosarNXP type in QiA28, MP-A4,MP-A8,MP-A9Single-Coil TxMulti-Coil TxWCT-15WTXMULTI15W15W Qi,MP-A8Single-Coil RxIndustrial/AutoWCT-15W1COILTX15W Qi, MP-A4 5W PMAWCT-5WTXMULTIWCT-5WTXAUTO5W Qi A28, 5W PMA5W Qi A13, 5W PMANXQ1TXH5WCT-5W1COILTX5W Qi A11 Integrated5W Qi A11 FlexibleWPR1500-BUCKWPR1500-LDO5-15W Qi5-15W QiExecution5WPlanningNFC TX300mWTX1ProductionProposalNFC RXRXEXTERNAL USECONFIDENTIAL AND PROPRIETARYSUBJECT TO CHANGE
控制芯片及参考设计2EXTERNAL USE
��性能:基于DSC 32-bit 56800EX 内核–100 MHz 内核工作频率（高速模式）– DSP 和 MCU 功能优化, 优化C语言编程支持片上存储器– 288 KB flash memory– 32 KB data/program封装模拟外设– 两个 8通道, 12-bit ADCs， 带有x1, x2, and x4 可编程的增益放大器– 3路模拟比较器，并带有6-bit DAC 基准– 1 12-bit 数模转换器(DAC)– eFlexPWM 模块，带有 12 PWM 输出, 包括 ，并有多种模式触发ADC采样– �控制器需求– WCT1013A: 64PIN LQFP3EXTERNAL USE
�能WCT1013A 基于15W MP-A9拓扑(NXP 申请) 125K定频，多线圈解决方案 �� �坏NFC卡 �速开发产品WCT1013A MP-A9参考设计 4符合Qi (WPC �持基于功率损耗计算的FOD安照WPC Qi N，LIN通信EXTERNAL USE
基于WCT1013A系统的原理框图5EXTERNAL USE
第一级DCDC转换电路输入电压: 8 16Vdc输出电压 (Vrail): 5 24Vdc/ 30W拓扑选择: Buck-Boost, Sepic, RNAL USE主要开关状态
逆变功率电路原理图MP-A97EXTERNAL USE
WCT1013A控制器原理图MP-A98EXTERNAL USE
NCF3340 NFC收发器原理图9EXTERNAL USE
MP-A9线圈参数--LC 谐振参数10EXTERNAL USEC 400nF C0G 100V 1206
MP-A9线圈参数--LC 谐振参数11EXTERNAL USE
效率测试MP-A9中功率接收器12EXTERNAL USE低功率接收器
充电面积测试MP-A9WPR1500 buck RX13EXTERNAL USE
�信号关闭状态: 100uA14EXTERNAL USE
PCB布局和功率走线1, �制电路的分离.2, 信号较弱的输入电流信号, 输入电压信号, �电路.15EXTERNAL USE
PCB �地在滤波电容处连接， ��以用0ohm电阻或磁珠短接16EXTERNAL USE
EMC调试无线充电系统EMI注意事项:A, 端口的输入滤波器.B, , mosfet吸收电路D, PCB板和线圈的屏蔽17EXTERNAL USE
测试标准 .00503030EXTERNAL USE9080Noise Level[dBuV]Frequency[MHz]0.150.3CISPR25 1000
05656363619EXTERNAL USENoise Level[dBuV/m]CISPR25Frequency[MHz]0.150.3Noise Level[dBuV/m]测试标准 10Frequency[MHz]100100080706050403020100
软件平台简介20EXTERNAL USE
L USE
软件流程图System Timer Check(wct callbacks.c)STARTInitialize Hardware(peripheralInit.c)main.cInitialize ApplicationInitialize Display(display.c)Check System Timer**Timer Interrupt Service 1ms TICK counter Trigger ADC conversion Service COMM callback1ms?10ms?YService debug process(wct debug.c)N100ms? YNNReturnEXTERNAL USEService Op State/Display/Low YService watchdog
tdetectedStartPingTX 发出信号检测是否有物体在表面PingRX 发包表示其存在 Identification &ConfigurationRX提供配置信息 NegotiationeTX 和RX协商建立功率传输协议 Signal StrengthPingRxDetectedIdentification&End Transfer / Error / Timeout SignalID&CConfigurationRequired onse to NEGPower Xfer contractestablishedCalibrationEnd Transfer / Signal Lost StartFOD校准 Power �工作状态AdaptedEXTERNAL USE*CMResponse toReceived PowerPT23Control DataReceived PowerControl DataReceived PowerEnd PowerResponse toReceived Power*CM: calibration modePT
��准24EXTERNAL USE实时系统调试
NFC 功能集成25EXTERNAL USE
NFC检测在无线充电系统中的集成 Qi FOD 检测 的无线充电器利用Power ��检测出硬币及其他的金属元件 Qi 些卡片会被损坏这样在充RFID HF tag /NFC card �利用了低功率唤醒的技术 LPCD �；如果收到回复， NFC TX会决定是否阻止下一步充电 �虚拟的RFID/NFC 卡26EXTERNAL USE
NFC检测状态机有符合RFID 标准的卡片被检测到 ， 这 些 标 准 包 括 ISO/IEC15693, ISO/IEC 18000-3, FeliCaand ISO/IEC 27EXTERNAL USE开始分辨实际的和虚拟的 FID/NFC 卡开始充电
无线充电和NFC卡检测技术的集成 扩展添加NFC 控制芯片NCF3340，来实现NFC 卡的保护使用NFC控制器的LPCD NAL USE
Q值检测方法29EXTERNAL USE
接收端RX 值。30EXTERNAL USE
自由谐振法测LC 回路的Qlc值 ；Qlc /(-ln(Rate)） 如下图所示， Rate 31EXTERNAL USE谐振波形
�振频率和衰减率Rate 。32EXTERNAL USE
路的Q值可以计算： Qlc �。33EXTERNAL USE
5W Qi A28, 5W PMA WCT-15WTXMULTI 15W Qi,MP-A8 WCT-15WTXAUTOS 15W Qi, MP-A9 Autosar Production Proposal Planning Execution WPR1500-BUCK 5-15W Qi WCT-200WTX 30W - 200W WPR-200WRX 30W - 200W WCT-5WTXAUTO 5W Qi A13, 5W PMA WCT-15W1COILTX 15W Qi, MP-A4 5W PMA NXQ1TXH5 5W Qi A11 Integrated WCT-15WTXAUTO 15W Qi, MP-A9 5W PMA Single-Coil Tx Multi .
packages assembled at NXP and NXP's assembly and test vendors. Refer to Section Downloading package information from NXP website of this application note for step by step instructions for retrieving package information. For more details about NXP products, visit www.nxp.com or contact the appropriate product application team.
PUBLIC 2 NXP's SOLUTIONS ORGANIZATION Cross Business Line organization within NXP Application specific expertise and focus Work at system level, bringing together cross-NXP hardware and software to develop and support complete solutions For wireless power, this is Qi certified transmitters and receivers, that contain NXP application software, libraries, controllers, NFC .
Power Supply Design for NXP i.MX 6 Using the TPS65023 Application Report SLVA943-February 2018 Power Supply Design for NXP i.MX 6 Using the TPS65023 ABSTRACT This document details the design considerations of a power management unit solution for the NXP i.MX 6Solo and 6DualLite processors using the TPS65023 power management IC (PMIC).
(*) Qi (pronounced Chee, is the wireless charging standard from the Wireless Power Consortium (WPC). The Qi Wireless Charging Technology Qi is the Wireless Power Consortium (WPC) standard for close coupled inductive wireless charging, and involves coupling EMF from a transmitter coil
W2E2 Wireless Women for Entrepreneurship & Empowerment W3C World Wide Web Consortium W4C Wireless for Communities WAS Wireless Access System W-CDMA Wideband Code Division Multiple Access WCN Wireless community networks Wi-Fi Wireless Fidelity WiMAX Worldwide Interoperability for Microwave Access WLAN Wireless local area network WLL Wireless in .
1.11. "Intellectual Property Management Plan" or "IPMP" refers to Appendix A in which the Consortium Members have agreed upon management of intellectual property rights. 1.12. "Inventing Consortium Member" means the Consortium Member whose Participating Researcher is an inventor or creator of NAWI IP. 1.13.
Wireless AC3200 Tri Band Gigabit Cloud Router Wireless AC3150 Ultra-WiFi Gigabit Cloud Router Wireless AC1900 Gigabit Cloud Router Wireless AC1750 Gigabit Cloud Router Wireless AC1750 High-Power Gigabit Router Wireless AC1200 Gigabit Cloud Router Wireless Technology Tri Band Wireless AC (5300
TRENDnet’s AC1750 Dual Band Wireless Router, model TEW-812DRU, produces the ultimate wireless experience with gigabit wireless speeds. Manage two wireless networks—the 1300 Mbps Wireless AC band for the fastest wireless available and the 450 Mbps Wireless N ba
