Wireless Power Update. Mete YASAN Oğuzhan DEMİRCİ

Transcription

1 Wireless Pwer Update Mete YASAN Oğuzhan DEMİRCİ 1

2 Agenda Brief Wireless Pwer Overview WPC v1.1 t v1.2 New Prducts TI Designs 2

3 Wireless Pwer Overview 3

4 Market Drivers fr Wireless Pwer Cnvenience Water Prf N Cables r Cnnectrs Rugged Industrial Design 4

5 Wireless Pwer Applicatins Smart Phnes/Tablets <5W Charging like USB >10W Fast Charging Pwerbanks Wearables Smart Watches Fitness Bands Health Mnitrs Medical Bld Glucse Meters/Mnitrs Health Patches Surgical Tls Autmtive Charging f Smart Phnes Charging f Tablets EV Vehicle Charging Infrastructure Integrated int Furniture Lcated in Htels, Restaurants, Cffee Shps, Airprts Industrial Scanners & Pint f Sale Pwer Tls and Appliances Crdless Instruments 5

6 Wireless pwer verview Check ut 6

7 System Battery (Lad) Hw des Wireless Pwer wrk? Return t Cntents Inductive Cupling The System prvides current t flw thrugh the primary cil wire (Transmitter cil) Current passing thrugh the wire generates a magnetic field (Ampère's Right-Hand-Rule) Receiver Cil The magnetic field induces a vltage/current in the secndary cil wire (Receiver cil) The newly received current can be used t charge a battery r pwer a device Transmitter Cil 7

8 Functinal Blck Diagram Return t Cntents TRANSMITTER Pwer RECEIVER Cntrller Cil Drivers (DC t AC) Rectificatin (AC t DC) Vltage Cnditining Lad Sensing Cntrller Cmmunicatin DC Current AC Current Cntrl Signals Pwer is delivered thrugh shielded cils (like a transfrmer with separated primary and secndary cils) Befre delivering pwer, the TX sends ping signals t detect the RX and start system cmmunicatin The RX cntrl system tells the TX hw much pwer t send and when t send it 8

9 WPC v1.1 t v1.2 Cnversin 9

10 WPC v1.1 t v1.2 WPC v1.2 is NOT the resnant extensin f the spec WPC v1.2 defines requirements fr lw pwer and medium pwer prducts WPC Lw Pwer (LP) specificatin adds a new thermal test fr transmitters up t 5 W WPC apprved the Medium Pwer (MP) specificatin fr receivers and transmitters up t 15 W This dcument allws LP implementatins t take advantage f the MP framewrk (received pwer calibratin, imprved FOD ) This specificatin has bth mandatry and ptinal features All WPC v1.1 and v1.2 devices are cmpatible 10

11 What s New In WPC v1.2 Lw Pwer Feature Applies t TX Applies t RX Cmment Mandatry Features New Thermal Test YES NO Changed thermal test frm v1.1 t imprve perfrmance New Versin Number NO YES RX will declare itself v1.2 New Timing Requirements YES YES Editrial changes t make the spec mre rbust Tw-way Cmmunicatin YES Optinal Features YES FOD Framewrk YES YES Negtiatin, WPID YES YES 11

12 What s New In WPC v1.2 Medium Pwer Feature Applies t TX Applies t RX Cmment Mandatry Features New Thermal Test YES (at 5W) NO Changed thermal test frm v1.1 t imprve perfrmance New Versin Number NO YES RX will declare itself v1.2 New Timing Requirements YES YES Editrial changes t make the spec mre rbust Tw-way Cmmunicatin YES YES TX can cmmunicate t RX FOD Framewrk YES YES Added mechanism t detect FO presence befre pwer transfer Negtiatin YES YES Allw the RX t negtiate fr > 5 W WPID YES YES OPTIONAL: Unique MAC address 12

13 Wireless Pwer Prtfli & New Prducts 13

14 Transmitters Receivers Wireless Pwer Prduct Prtfli bq510xx First fully integrated WPC v1.1 Pwer Supply r Direct Charge bq W ptimized Small 30mm 2 slutin Smallest RX Slutin bq A6 Cil Array Simplified BOM DPL fr 5V/USB PWR bq500212a A11 Cil Array Simplified BOM DPL fr 5V/USB PWR bq51221 Dual mde 50% lwer lsses Dual Mde: WPC/PMA bq500414q Q100 Aut Qualified Aut Transmitter I2C, Lw EMI w/ Shield bq51025 Fully integrated Prprietary 10W 80% efficiency TX/RX Synergy 10W. 84% Efficiency bq W Slutin Prprietary 10W TX/RX Synergy bq50002 bq AFE/ Cntrller Gen3 TX, 2-Chip slutin 5V/A11 design Lw Pwer 15W TX bq WPC MP 15W TX Fixed Frequency bq51222 WPC v1.2 5W RX Dual mde bq50002a bq500511a Imprved cmmunicatin Release Date

15 bq51222 WPC v1.2 + PMA 5-W receiver Features WPC v1.2 and PMA Certified Receiver Adjustable Output Vltage (4.5 V 8.0 V) Patented Transmitter Pad Detect Functin I 2 C Cmmunicatin with Hst Up t 80% Efficiency Benefits Fully Cmpliant t Latest WPC v1.2 Specificatin Backwards Cmpatible t WPC v1.1 Transmitters Dual Mde PMA Cmpatibility High Efficiency Allws Minimal Temperature Rise Applicatins Qi-Certified Smart Phnes, Tablets, and Other Handhelds Smart Watches Health Mnitrs Scanners / epos Crdless Instruments Pwer-banks 15

16 bq W v1.2 Qi-certified transmitter Features Enables High Pwer Charging Bi-Directinal Cmmunicatin High Vltage Dedicated Charging Prt (HVDCP) supprt Freign Object Detectin (FOD) Cnfrms t Wireless Pwer Cnsrtium (WPC) MP-A5 Transmitter type specificatin 86% Efficiency Applicatins Qi-Certified Smart Phnes, Tablets, and Other Handhelds Pint-f-Sale Devices Custm Wireless Pwer Applicatins Industrial/Medical Handheld Benefits Backwards cmpatible with existing 5-W WPC receivers and TI 10-W prprietary receivers Fixed frequency (130 khz) avids resnant cmplexities Internal cntrl f rail vltage regulatr FOD can be tuned t accmmdate nn-wpc cmpliant applicatins 16

17 TI Designs (TIDA) 17

18 Wireless Charging fr Wearables TI Designs t demnstrate perfrmance and simplify prduct develpment TI Receiver design: (Qi cert w/ Charger) TI Receiver design: (Smallest size, n Qi) TI Transmitter design: (bq50002a based, Nn Qi) TI Transmitter design: (Small size, n Qi, 2.5W) TI Transmitter design: (Smallest, 1W n Qi) TIDA bq

19 T Qi, r nt t Qi WIRELESS POWER C O N S O R T I U M bq500xxx (TX) and bq51xxx (RX) devices frm TI were develped t cmply with the Wireless Pwer Cnsrtium (WPC) - Qi standard They can als be used fr prprietary, nn-standard applicatins Benefits f Qi cmpliance: Any Qi-certified RX device can be used with any Qi-certified TX pad r system (e.g. chargers built int furniture) OEM fr the handheld device des nt have t build their charging pad Sme OEMs d nt want Qi cmpliance Requires that OEM develp bth sides f the wireless pwer system Allws custm frm factrs, physical matching between TX device and RX in prtable device Gd fr nn-planar shapes, r applicatins where the prtable device OEM wants t have full cntrl ver the pssible charging surce (prevent 3 rd party unknwn chargers) Saves time and cst f Qi certificatin prcess, but OEM is respnsible fr certifying their wn design including safety

20 Tls & sftware (Transmitter) TI Designs Name Descriptin TIDA W Wireless Pwer Slutin TIDA Cmpact 1W Wireless Pwer Slutin TIDA Small Wireless Transmitter Slutin, 2.5W TIDA W WPC (Qi) Cmpliant Wireless Pwer TIDA Miniaturized 5W Wireless Pwer Slutin Name bq50002aevm-607 Descriptin bq500511a and bq50002a Wireless Pwer Transmitter Evaluatin Mdule bq500212aevm-550 5V, Qi Cmpliant Wireless Pwer Transmitter Manager Evaluatin Mdule Evaluatin Mdules bq500215evm-648 bq500410aevm-085 bq500412evm-584 WPC v1.1 Cmpliant Wireless Pwer Transmitter Cntrller Prprietary 10-W Pwer Qi-Cmpliant, Free-Psitining Wireless Pwer Transmitter Manager Free Psitining, Qi-Cmpliant Wireless Pwer Transmitter Manager Evaluatin Mdule bq500414qevm-629 bq500414q Evaluatin Mdule Autmtive Free Psitining Wireless Pwer Transmitter Manager 20 bq501210evm-756 bq WPC 1.2 Wireless Pwer Transmitter Manager Evaluatin Mdule with 15-W Pwer Delivery

21 Tls & sftware (Receiver) TI Designs Name Descriptin TIDA W WPC(Qi) Cmpliant Wireless Pwer and Charger TIDA Tiny Wireless Receiver Slutin TIDA Wireless Charger Bster Pack TIDA Wireless Charger with 19mm Cil Bster Pack TIDA Smartwatch Battery Management Slutin PMP11311 Wearable Device with Wireless Charging TIDA Wireless Charger Bster Pack with Gauge TIDA Dual Mde (WPC&PMA) Wireless Receiver Name bq51003evm-764 Descriptin Wireless Pwer Receiver Evaluatin Mdule bq51010bevm-764 Wireless Pwer Receiver Evaluatin Mdule Evaluatin Mdules bq51013bevm-764 bq51020evm-520 WPC 1.1 Cmpatible Fully Integrated Wireless Pwer Receiver IC Evaluatin Mdule bq51020 Wireless Pwer Receiver Evaluatin Mdule bq51025evm-649 bq51025 Wireless Pwer Receiver Evaluatin Mdule 21 bq51050bevm-764 Wireless Pwer Receiver Evaluatin Mdule

22 Overview f TI Receiver Slutins Part Number bq51003 bq51013b bq51010b bq51020/1 bq51221/2 bq51025 bq51050/51b/52b Architecture C O I L Sync Rect LDO Charger C O I L Sync Rect Charger Standard Supprted WPC WPC WPC & WPC/PMA WPC (10W Prp) Pwer <2.5W W 5W 5-10W 3-4W CSP (mm 3 ) QFN (mm 2 ) 3 x 2 x x 2 x x 4.5 WPC 3.6 x 2.9 x x 2.9 x x 2 x x 4.5 IC/Sys Eff 93%/70% 93%/75% 96%/78% 96%/84% 90%/77% I2C N N Yes Yes N Pad Det/ Alignment Aid N N Yes Yes N Slutin Size 50 mm 2 75 mm 2 77 mm mm 2 75 mm 2 Typical Cil 20 x 20 mm 2 35 x 35 mm 2 42 x 38 mm 2 48 x 32 mm 2 35 x 35 mm 2 22

23 Wireless Pwer by Applicatin/Pwer Level <2.5W (Wearable) <5W <15W RX TX RX TX RX TX TI Designs Devices bq5105x bq51003 bq51013b TIDA TIDA bq500212a bq50002a/ bq500511a TIDA TIDA bq51013b bq51010b bq51020/1 bq51221 bq51222 TIDA bq500212a bq50002a/ bq500511a TIDA All devices have EVMs available bq51025 bq bq New

24 TIDA Transmitter fr Wearables (1 W) Features Wireless pwer transmitter based n bq50002a Analg Frnt End and bq500511a TX cntrller 5-V Micr-USB DC pwer input 1-W lad pwer (5 V, 200 ma) when cmbined with the bq51003 (r similar) receiver >60% Efficiency Small (20 r 30-mm diameter) transmitter cil Applicatins Nn Qi-Certified wearable slutins Watches Fitness trackers GPS lcatrs Benefits Lw parts cunt (<43) and lw cst bq50002a & bq500511a plus all passive cmpnents fit in the same area as the cil t allw fr cmpact system designs Pair with a TIDA (RX + charger) fr a cmplete wearable wireless pwer system Efficiency with: 20-mm TDK TX cil bq51003evm

25 TIDA blck diagram 5V V-in VCC ISENSE 3.0V LDO Current Sense Amp V-in SCL SDA DRV_EN Gate Driver A TX COIL MODE PWM_CTRL PWM1 / CLK_OUT PWM2 / UP_DOWN Lgic And Oscillatr Gate Driver B V-in BQ Cmm2 Cmm1 Demd1 Demd2 Filter 2 Filter

26 TIDA Size ptimized TX (5 W) Features 2-chip slutin t enable simple implementatin f A11 (A5) WPC transmitter bq50002a AFE designed with analg prcess bq500511a Digital cntrller with digital prcess 75% peak efficiency (Lw pwer imprved efficiency) Lw standby pwer during Ping Benefits Lw parts cunt (<43) and lw cst Cmpact slutin size < 1 in 2 (6.45 cm 2 ) Pair with any 5-W receiver fr a cmplete slutin Imprved efficiency at light lads Applicatins Qi-Certified 5-W slutins Efficiency better than bq500212a at light lad bq500212a TIDA

27 TIDA details bq50002a / bq500511a reference design bq500511a Current Sense bq50002a 5-V TX input, 5-W RX utput Cmpact slutin size < 1 in 2 (6.45 cm 2 ) WPC A11 cil (50 mm x 50 mm) bq50002a 32-pin QFN (5 mm x 5 mm) bq500511a 40-pin QFN (6 mm x 6mm) Resnant Caps A11 Cil, n magnet 27

28 TIDA Applicatin Schematic Input & I 2 C cnnectin Current Sense Pwer Sectin Bulk Filter C Demd filter 1&2 TX Cil & Resnant Caps Tank vltage sample Temp / FOD / LED Mde 3.0-V regulatr utput / filter LED & Buzzer 28

29 TIDA RX & charger fr wearables Features Wireless pwer receiver slutin featuring bq51003 RX and bq25100 linear charger Qi-cmpliant ensures peratin with any WPC transmitter Small slutin size 5 mm x 15 mm (75 mm 2 ) bq25100 Adjustable charging current (10 t 250 ma) Terminatin current dwn t 1 ma Applicatins Qi-Certifiable 1-W wearable slutins Benefits Qi-certifiable slutin RX & charger integrated included Lw leakage (bq25100 < 75 na) Ideal with multiple TIDA transmitters TIDA (bq500212a based 2.5 W) TIDA (bq500212a based 1 W) 29

30 TIDA Applicatin Schematic Cmm / Bt / OVP Charger bq25100 RX cil Cs Caps Cd Caps Cmm / Bt / OVP 30

31 TIDA Ultra-small RX fr wearables Features Wireless pwer receiver slutin featuring bq51003 RX Easily adjust maximum current Efficiency increases with crrect current limit Same design fr bq51050b Benefits Tiny slutin size < 29 mm 2 Easily adjustable maximum current Ideal with multiple TIDA transmitters TIDA (bq500212a based) TIDA (bq500212a based) TIDA (bq50002a/bq500511a based) Applicatins Nn Qi-Certifiable 1-W wearable slutins 17 mm diameter US $ mm x 5.48 mm 2 W 31

32 TIDA Applicatin Schematic 32

33 TIDA Transmitter fr wearables (1 W) Features Wireless pwer transmitter based n bq500212a TX cntrller 5-V Micr-USB DC pwer input 1-W lad pwer (5 V, 200 ma) when cmbined with the bq51003 (r similar) receiver Built-in utput pwer limit Benefits Lw parts cunt and cst Small (20-mm diameter) cil IC and passive cmpnents fit int the same area as the cil t allw cmpact system designs Can be easily paired with the TIDA RX + charger fr a cmplete wearable pwer system Applicatins Nn Qi-Certifiable 1-W wearable slutins 33

34 TIDA Transmitter fr wearables (2.5 W) Features Wireless pwer transmitter based n bq500212a TX cntrller 5-V Micr-USB DC pwer input 2.5-W lad pwer (5 V, 500 ma) when cmbined with the bq51003 (r similar) receiver Full-bridge pwer stage Built-in utput pwer limit Applicatins Nn Qi-Certifiable 2.5-W wearable slutins Benefits Optimized fr 2.5-W slutins Lw parts cunt and cst Small (30-mm diameter) cil IC and passive cmpnents fit int the same area as the cil t allw cmpact system designs Can be easily paired with the TIDA RX + charger fr a cmplete wearable pwer system Efficiency with: 30-mm Wurth cil bq51003evm

35 PMP Integrated pwer management + Features Pwer management reference design fr a wearable device with wireless charging Wireless pwer (bq51003) Pwer management (bq25120) 300-mA charger with pwer path 100-mA LDO 300-mA DCDC Applicatins Activity trackers Watches Benefits Highly cnfigurable battery management slutin Integrated wireless pwer Integrated Li-In battery charger Bst cnverter fr display r heart rate mnitr Buck cnverter fr radi r dual cre LDO bq25120 features ship mde with ultra-lw IQ (<50 na) fr lng shelf-life Efficiency with: TIDA

36 PMP11311 Pwer Tree 36

37 TIDA Bster pack Features 50-mA wireless charger bster pack Wireless charger bster pack designed fr any lw pwer Launchpad bq51003 receiver, bq25100 charger, bq29707 prtectin TPS61220 bst, TPS62736 buck Cmplete lw pwer battery management and pwer supply slutin Benefits Qi-cmpatible recharge the battery frm any Qi transmitter 3.3-V buck fr Launchpad pwer 5.0-V bst fr pwer supply circuitry Stackable design allws fr creating a cmplete slutin Applicatins Launchpad bster packs 37

38 TIDA miniature dual-mde receiver Features Wireless pwer receiver cmpatible with bth WPC and PMA standards Designed fr 5-W applicatins (5 V at 1 A) Adjustable utput vltage I 2 C interface fr system design flexibility Lw RDSON FETs fr minimal pwer dissipatin Benefits Wrks with bth WPC and PMA standards Cmpact design 13 mm x 9 mm High efficiency Flexible cnfiguratin (external cmpnents r I 2 C) Applicatins Dual mde (WPC / PMA) slutins Phnes, cameras, prtable media players Efficiency during Charge cycle 38

39 Thank Yu! Ti.cm/WirelessPwer 39