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Infineon Wireless Charging

EBV - Infineon Inductive Wireless Charging Sub Navigation (SN)

EBV - Infineon Inductive Wireless Charging (LC)

Inductive wireless charging – consumer, industrial & automotive applications

Consumer and industrial: single- and multi-coil, Qi inductive 110-205 kHz, in-band communication

Example: 10 W Qi transmitter for charging smartphones - single coil solution

Infineon´s Qi transmitter solution enables highest phone charging rates without exotic thermal management applicable for all smartphones on the market (including fast charging). The firmware based solution supports future standards evolution and impresses with accurate foreign object detection (FOD). The use of Infineon’s OptiMOS™ family, driver ICs, and voltage regulators will pay off with superior power transfer performance. Additionally, the XMC™-SC wireless power controller helps to meet strict safety, environmental and regulatory requirements, along with industry-leading charging performance and efficiency.

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Recommended highlight products for inductive wireless charging – consumer & industrial applications

BSC0993ND Super SO8, Dual N-channel OptiMOS™ 5 power MOSFET, 30V	Datasheet
BSZ0589NS OptiMOS™ 5 power MOSFET, 30V, optimized for high performance wireless charger	Datasheet	Order Now
BSZ0994NS OptiMOS™ 5 power MOSFET, 30V, optimized for high performance wireless charger	Datasheet
BSZ0909ND Dual N-channel OptiMOS™ power MOSFET, PowerStage 3x3	Datasheet
BSZ0910ND OptiMOS™ 30 V symmetric halfbridge, PowerStage3x3	Datasheet
BSZ097N04LS G OptiMOS™ 5, 40V, power transistor, 3x3mm style SuperSO8	Datasheet
IRLML0040 40V single N-channel HEXFET power MOSFET, Micro3 package	Datasheet	Order Now
IRL80HS120 logic level MOSFET for low V_GS, PQFN 2x2, half & full bridge	Datasheet	Order Now
1EDN7512G Rugged, cool, fast 1-channel low-side 4/8 A gate driver ICs	Datasheet	Order Now
IFX20002MB V33 Low dropout voltage regulator	Datasheet
XMC1302T038X0064 32-bit industrial MCU ARM® Cortex®-M0	Datasheet	Order Now

EBV - Infineon Inductive Wireless Charging - In cabin (LC)

Automotive (in-cabin):
High quality dedicated automotive product portfolio with zero defect strategy

Inductive wireless charging solution for in-cabin applications (Qi)

Image of In cabin wireless charging diagram

Click here to enlarge image

When it comes to charging in-cabin devices the critical differentiators to consumer and industrial applications are: differing topology, liability, communication, quality, security and safety requirements.

Image of in-cabin differentiators vs consumer

With its automotive standard compliant components, Infineon helps to fully exploit benefits derived from inductive charging. One of its key products being the AURIX™ 32 bit microcontroller which represents a scalable, secure solution with reliable and flexible foreign object detection (FOD). DC-DC buck-boost pre-regulator and safety MCU supply, LDO and DC-DC buck can be found in the portfolio together with a broad range of power supply products. Infineon’s MOSFETs and perfectly matching drivers are renowned for highest efficiency and stipulate benchmarks for lowest switching and conduction losses. Also the CAN transceivers add to these benefits by enabling fast communication with state of the art performance.

Download AURIX™ product brief!

For further integration and space optimization Infineon offers a brand new SBC (System Basis Chip) Family TLE9471, which combines a dual supply solution and CAN FD transceiver for communication to gateway.

AURIX™ based wireless charger - three-coil wireless charger solution

Image of AURIX based wireless charging block diagram

AURIX™ based wireless charger - more integrated option with SBC solutions (integrated MCU power and CAN interface)

Key features Best-in-class EMI (CISPR-25 class 4, ~10-12dB better than competition) Flexible FOD topology, higher accuracy than competing solutions (additional FOD capability) Single MCU supports wireless charging, system application, CAN and external NFC interface functions Supports greater coil-to-coil Z height than competing solutions Total front-to-back solution ensures maximum efficiency, minimal thermal impact and ease of certification Built-in security functionality meets latest automotive requirements Safety support up to ASIL applications ( ASIL – B/C might be required) High quality dedicated automotive product portfolio with zero defect strategy	Key benefits Enabling OEM EMI specification and lower additional cost for filter components Detection of much smaller objects (higher accuracy than standard Qi specification) Lower BOM cost and complexity than competitive solution (re-use of available AURIX™ knowledge) Higher flexibility in mechanical designs No need for additional qualification, certification -> re-use of complete system for customer projects Meeting high security requirements -> low probability of hacker attacks Meeting OEM requirements on system level by using Infineon MCU and supporting components High reliability and low maintenance cost due to high quality products

Key features

Best-in-class EMI (CISPR-25 class 4, ~10-12dB better than competition)
Flexible FOD topology, higher accuracy than competing solutions (additional FOD capability)
Single MCU supports wireless charging, system application, CAN and external NFC interface functions
Supports greater coil-to-coil Z height than competing solutions
Total front-to-back solution ensures maximum efficiency, minimal thermal impact and ease of certification
Built-in security functionality meets latest automotive requirements
Safety support up to ASIL applications ( ASIL – B/C might be required)
High quality dedicated automotive product portfolio with zero defect strategy

Key benefits

Enabling OEM EMI specification and lower additional cost for filter components
Detection of much smaller objects (higher accuracy than standard Qi specification)
Lower BOM cost and complexity than competitive solution (re-use of available AURIX™ knowledge)
Higher flexibility in mechanical designs
No need for additional qualification, certification -> re-use of complete system for customer projects
Meeting high security requirements -> low probability of hacker attacks
Meeting OEM requirements on system level by using Infineon MCU and supporting components
High reliability and low maintenance cost due to high quality products

Recommended highlight products for in-cabin wireless charging

SAK-TC212S-8F133SC AURIX™ – wireless power controller	Datasheet
TLD5190QV Automotive single inductor Buck-Boost controller	Datasheet	Order Now
AUIRS2301S Automotive high speed power MOSFET driver	Datasheet	Order Now
IPG20N10S4L-22A Automotive 100V dual N-MOSFET for coil selection	Datasheet
IPG20N04S4L-11A Automotive 40V dual N-MOSFET for bridge driver	Datasheet
TLE8366E V50 Automotive DC-DC converter	Datasheet
TLS203B0LD V33 Automotive low noise LDO family in tiny TSON package	Datasheet
TLE7250SJ/TLE9250VSJ Automotive CAN transceivers	Datasheet	Order Now
TLE9471-3ESV33 Automotive system basis chip with CAN FD	Datasheet	Order Now

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