微源半导体无线充电硬件设计难题的突破

-是否要双向通讯？怎么样线路设计的Bom复杂SOC还是MCU会是功率发展趋--E- m--E- --E- 带来的电磁感应技术，定频调压技术对无线充提出更高磁 --E- m-随着，小米等无线充的标配，2018年的出货主要集中在5-10W间的应用市场，其中10W及7.5W的市场将成为主要出货量的产品，5W成为礼品市场的主力，且发热低的N+N结构将成为

率汽车--E- m-2018年的出货将达到1亿只以上，还有很多未认证的发射端其中80%以上来自于手表带来的应用需求，采用Qi的标--E- m---E- m---E- m--E-

--E- m-

--E- m-

--E- m-输入电压4.3V双通道mosGate输入电压4.3V两种封装SOP16和--E- m--E-

--E- m-输入电压3.9V）内置2chNmosfet（10）支持12VVgsdriver----E- m-主流MCU的设计基本完成，--E- m---E- m-LDOLDO--E- m--E- 输入电压3.9V内置HS+LSmosfet内置4chN内置2chLDO:3.3V/5V内置内置--E- m---E- m--E- --E- --E- LP1131SPF输入电压3.9V内置4chN内置1chLDO:3.3Vor5V内置内置--E- m-

驱 驱

--E- m-LDOLDO--E- m--E- 3A输入电压4.3V同步整流内置N封装2A输入电压4.3VN

3.4A输入电压4.3V–同步整流内置N封装2.4A输入电压4.3V–同步整流内置N封装--E- m--E- 静态电流200mA诱骗协议包含全Asic--E- m--E- 型通封内阻替代1N922222221P1N--E- m--E-

--E- m---E- m--E- LPSProductProduct--E- m--E- ApplicationSport Power

(Top

Car --E- m- ClassDClassABClassFClass

N+P

Powerswitch

PanelEarphone

Powerconverter

LinearchargerSwitchingchargerBoostchargerFastchargerBatteryprotection

--E- m---E-

--E- m---E-

--E---E-

m-

--E- m---E-

--E- m---E-

+/-

7-

10- 16-

Panel--E- m---E-

--E- m---E-

--E- m---E- SC-

--E- m---E-

(N-

--E- m---E- N+P

N-

2chP-

P-

--E- m---E- Part

Syn. Syn.+

1A1A

--E- m---E-

ClassXClass

EQclassClassClass

20W--E- m---E- Pmos:LPM3407/9435Nmos:LPM15N101stSLVHVLP6460/6470:2ASOT23-6LP6480:2ASOPLP2206:2ch*600mA,Adj,Pmos:LPM3407/9435Nmos:LPM15N101stSLVHVLP6460/6470:2ASOT23-6LP6480:2ASOPLP2206:2ch*600mA,Adj,SOPLP3983S/LP3987H/LP3992PanelpowerPMIC/OP/LV/P-Gama32-55inch:LP628311-27inch:LP6284+LP629117-32inch:LP6286/6285+LP629143-65inch:LP6288+LP6297+LP6299AudioAmplifierUSBPowerLPW5209:2ALPW5201:2AwithBacklightDriverLP3350LP3351LPSforAudioamplifierLPA8302LPA4890AudioamplifierLPA8302LPA4890LP3990H:500mADFN1*1mmLP3987H:500mASOT25LP3983S:300mAadjSOT25LP3992:300mASOT25LPM9021:6ATDFN2*2LPM9022:2*5ATDFN2*3mmLPM3401/LPM3400/3413/4LPSforBuckConverterLP6312:2*2ALP6304B:BuckConverterLP6312:2*2ALP6304B:FastchargerLP28601：3.5AwithOTGLP28021:1AChargerOVP/OCPLP5301:36V/2.5ALPM5303:Panel/backlightLP3382/0/LP3307(backlight）LP3102/6280(+/-5.6V)…OTGBoostLP6252:1ASyn.LP6253HQVF:2ASyn.LP6226+LPW5210… om- AudioLPA8302LPA4890AudioLPA8302LPA4890LPM9021:6ATDFN2*2LPM9022:2*5ATDFN2*3mmLPM3401/LPM3400/3413/4LP3990H:500mADFN1*1mmLP3987H:500mASOT25LP3983S:300mAadjSOT25LP3992:300mASOT25LPSforOTGBoostOTGBoostLP6252:1ASyn.LP6253HQVF:2ASyn.LP6226+LPW5210…1stABuckConverterLP6312:2*2ALP6304:FastchargerLP28601：3.5AwithOTGLP28021:1AChargerOVP/OCPLP5301:36V/3ALPM5303:Panel/backlightLP3382/0/LP3307(backlight）LP3316/7(bias)LP3102…LPSLPSforCarLVVcoreLVVcoreLP6303:3ABuckLP3219:2ABuckLP3220:1ABuckAudioClassAB:LPA4890:1.2WClassD:LPA210025WClassF:LPA21532*5WHVSynBuckMOSfetPmos:LPM3401/3413/9435/4953/9021Nmos:LPM3400/3414/9006N+Pmos:9029COVP/OCP1ch:LP3992,3983S,3987HLP1116,39902ch:LP2201/2203/2206LP5303:2.5ALP5300/1:1ch:LP3992,3983S,3987HLP1116,39902ch:LP2201/2203/2206ChargeLP28501：3.5A,16VOTGLP62523H:OTGLP62523H:2.5ALP6252:1.2ALP6236:1APanelBacklightdriverBacklight:LP3382+/-5VBias:LP3102Vbias:LP3316/LP6236QVF1st ---LPSLPSforSportLP6312:LP6312:2*2ALP6304:4*2ALP6301:1*1.5ALP3219/3220:AudioLPA4890:2.5WClassLPA8302:3WClassLP78090：1Acharge+2Ch600mALP78090：1Acharge+2Ch600mALDOPmos:LPM3401/3413/9435/4953/9021Nmos:LPM3402/3414/9006N+Pmos:9029C1ch:LP3981,3983S,3987H,3992,LP1116,39902ch:LP2201/2203/2206OVP/OCPLP5303LP5301:LP28501：3.5A/16VLP62523H:LP62523H:LP6252:LP6236:LP28021：1A,BatteryReversePanelBacklight:LP3382/3307+/-5VBias:LP3102/6280Vbias:LP3317/LP6236QVF1st ---LPSforLVBuckLP6304:4*2ABuckLP6303:3*2AHVLP6470:2Asyn.LP6460:2ASyn.OVP/OCPLP5303LP5302:1.5A+extmosResetLP3809-2.63V/2.93V:260mS

LP1116:800mA,SOT223LP3995:IqLP3983S:Adjoutput300mA,SOT25LP3987H:500mASOT25LP3992/LP3981:300mASOT25LP3986:300mASOT23/SOT89MOSfetPmos:LPM3401/3413/9435/4953/9021Nmos:LPM3402/3414/9006N+Pmos:9029COTGBoostLP62523H:2.5AsynLP6252:1.2AsynLP6236:1AUSBPowerLPW5206/5208/5210LPW5203:power

AudioLine-out1st LPS +/-5VLP6280:150mAdriverLP3100:50mALP3101:50mABacklightLP3322:10pcsseriesLP3380:2*6pcsFastchargeLP28601:3.5AHV LPS100:QC2.0device

FlashLEDLP3367LP3368双路LP3110300mASingleLDOLP3990:DFN1*1mmLP3992:SOT23-5LP3982:SC-70LP3983S:SOT252chLP2201/2202SOT23-LP2204/2206 LP6301:1ASyn.1stLPSLPSforCharge(BatteryReverseProtection)LP28021:36V/1A,BRP,ESOP8/TDFN10LP28053/28057/:30v/12v/1A,BRP,ESOP8LP4055:12V/600mA,BRP,TDFN2*2-LP4060/4061:600mA,BRP,SOT25/SOT26LP28013/28014:30V/1A,BRP,TDFN-10FastchargeLP28300:1/2/3cell2.0A20V,DFN10/esop8LP28303:7V/3A,1cell,TDFN10/esop8LP28400A:2/3/4cell2Afrom5VOVPLP5301QVF:36V/2.5A,TDFN62*2Sync.BoostconverterLP6255：20V/2AControl,LP6216:12V/400mA(Gatedriver)LP3301:12V/400mA(OLED)

VoltageBatteryDetector:LP3808

MosfetGateMosfetGateLP1110:40V/3.5Adriver,TDFN10LP1111:40V/3.5A,Driver,TDFN-8LP1120:40V/3A,2chDriver,TDFN16LP1130:half-LPM9040:1ch40V/10mΩ,TDFN3*3LPM9042:2ch40V/12mΩ,TDFN3*3LPM9033:2ch30V/8mΩ,TDFN3*3LPM9034:1chP-chLPM9035:1ch30V/15mΩ,TDFN3*3LPM9023:1ch20V/30mΩ,TDFN2*2LPM3401:2ch30V/50mΩ,SOT23LP3995A:36V/2uAIowIq200mALP3990:TDFN1*1mm300mALP6257:12V/400mAsyn.(Soon)

1st

-- LPSLPSforAudio-----E- m---E- FastchargeLP28501:3.5AHVFastchargeLP28501:3.5AHVSWLP28300:2AHVSWLP28400A：2cellfrom5-BatteryChargeLP4060:500mAsot25LP28057:1A,reverseLP4055:500mA,reverseLPM3401/3400/3413/3414LPM9021-12VLPM30N50:30VLPSforAudio--E- BoostConverterLP6212:6V/2Aoutput--E- BoostConverterLP6212:6V/2AoutputLP6213: