MOBASE ELECTRONICS SYECFWPC1706 Wireless Charging System User Manual

SEOYON ELECTRONICS CO., LTD. Wireless Charging System

User Manual

U S E R M A N U A L Page 1/11 Established By W.P.C SYSTEM Spec No. Seoyon Electronics I N D E X 1. PURPOSE 2. SCOPE 3. ABBREVIATIONS AND DEFINITIONS 4. SYSTEM OVERVIEW - RELEASED ALL 2017.05.26 W.C NO Rev.NO DESCRIPTION OF CHANGED CHANGE PAGE REV. DATE REV. BY REV. DATE 2017.05.26 SORT PREPARED CHECKED APPROVED A P P R O V A L WON CHUL NO HO NAM KIM GYEONG HEUM CHOI (PLM MANAGEMENT SYSTEM) DSF-4-02-01A-1 SEOYON ELECTRONICS A4(210x297)
U S E R M A N U A L SPEC NO (SHT/SHTS) 2/11 Document Change History Date Ver. Editor Chap. Description CR#
U S E R M A N U A L SPEC NO (SHT/SHTS) 3/11 Contents list page 1. PURPOSE ............................................................................................................................................... 3 2. SCOPE ................................................................................................................................................ 4 3. ABBREVIATIONS AND DEFINITIONS .......................................................................................... 4 4. SYSTEM OVERVIEW ........................................................................................................................ 6 4.1. SYSTEM DESCRIPTION ........................................................................................................................................6 4.2. OPERATION PRINCIPLE .......................................................................................................................................6 4.3. ROLE AND CHARATERISTICS OF W.P.C PING ................................................................................................8 4.4. W.P.C COMMUNICATION AND CHARGING CHARACTERISTICS ................................................................9 4.5. PACKET LIST OF W.P.C CONTROLLER ..............................................................................................................9 4.6. W.P.C FLOW CHART ......................................................................................................................................... 10 4.7. HARDWARE CONFIGURATION ....................................................................................................................... 10 4.8. SYSTEM CONFIGURATION .............................................................................................................................. 11 4.9. W.P.C OPERATION CONDITION ..................................................................................................................... 11 4.9.1. W.P.C OPERATING VOLTAGE .......................................................................................................................... 11 4.9.2. W.P.C INPUT/OUTPUT SPECIFICATIONS ...................................................................................................... 12 4.9.2.1.UNIT Input/Output Interface ........................................................................................................................................................... 12 1. PURPOSE This specification specifies general functional requirements, quality requirements and constraints applicable to the wireless charging system. If there is a difference between this specification and the drawings, the drawings take precedence.
U S E R M A N U A L SPEC NO (SHT/SHTS) 4/11 2. SCOPE This specification specifies general functional requirements, quality requirements and constraints applicable to the wireless charging system. If there is a difference between this specification and the drawings, the drawings take precedence. 3. ABBREVIATIONS AND DEFINITIONS Item, abbreviation, acronym Description WPC Wireless Power Charger Active Area An interface surface portion through which magnetic flux penetrates sufficiently when the base station provides power to the mobile device Power Transmitter Wireless power transmission system Subsystem of base station that generates inductive power in Active Area and controls power transmission to RX Base Station Devices that transmit power wirelessly Digital Ping Application of Power Signal for RX Detection and Device Identification Free Positioning Place the mobile device on the interface surface of the base station. The user does not need to align the active area of the mobile device with the active area of the base station. Guided Positioning One way to locate a mobile device on the interface surface of the base station is to provide feedback for the user to align the active area of the mobile device to the active area of the base station Interface Surface Base station and mobile device Connected surface Mobile Device Devices that can consume inductive power in active area in wireless power transmission system Packet Data structure that RX uses to communicate messages to TX Power Receiver Wireless Power Transmission System Subsystem of Mobile Device that acquires inductive power in Active Area and controls the validity of its output power Power Signal Vibrating flux surrounded by primary cell and secondary coil Power Transfer Contract A set of boundary conditions with parameters having characteristics for power transmission from TX to RX
U S E R M A N U A L SPEC NO (SHT/SHTS) 5/11 Primary Cell A single Primary Cell or Primary Cell used to provide high magnetic flux through the Active Area Secondary Coil Parts of RX that switch from magnetic flux to electromotive force Table 1 : ABBREVIATIONS
U S E R M A N U A L SPEC NO (SHT/SHTS) 6/11 4. SYSTEM OVERVIEW 4.1. SYSTEM DESCRIPTION A wireless charger (WPC) installed in a vehicle is a system that transmits power to a mobile phone or a power receiver by power transmission by magnetic induction of a WPC coil and a cell phone coil without a USB connection. Picture 1 :OPERATION PRINCIPLE 4.2. OPERATION PRINCIPLE WPC transmits power by magnetic induction to the overlapping area of the coil inner diameter of WPC and the coil inner diameter of WPC with LC resonance (111KHZ).
U S E R M A N U A L SPEC NO (SHT/SHTS) 7/11 Picture 2 : POWER FLOW
U S E R M A N U A L SPEC NO (SHT/SHTS) 8/11 4.3. ROLE AND CHARATERISTICS OF W.P.C PING - Analog Ping : Meter reading on wireless charge controller - Digital Ping : Verify that the meter reading is a wireless charger WPC receiver Packet Input Sequence Packet Purpose Division 1 Signal Strength Receiver Type Digital Ping 2 Identification Information such as the receiver manufacturer 3 Configuration Receiver internal information 4 End Power Transfer Stop power transmission Digital Ping Table 2 : Digital Ping Packe Picture 3 : Receiver Recognition (Ping) Phase and Power Transfer Phase Ping Division Voltage Timing Frequency Analog SIDE : 3.5V±0.5V 500ms 111kHz±5kHz Center : 3.0V±0.5V 500ms 111kHz±5kHz Digital - 64ms 111kHz±5kHz Table 3 : Ping Specification 500msec Within Analog Ping (Pad No object) above) Analog Ping-Pad After detection of upper object Digital Ping and receiver information recognition
U S E R M A N U A L SPEC NO (SHT/SHTS) 9/11 4.4. W.P.C COMMUNICATION AND CHARGING CHARACTERISTICS Wireless Charging Transmits messages with uni-directional in-band (ASK) communication using a specific frequency between the transmit coil and the receive coil. The wireless charger transmit coil transmits the power of the MAX15W and the operating frequency is 111KHZ. Confidential Picture 4 : Wireless charging controller communication method 4.5. PACKET LIST OF W.P.C CONTROLLER Table 4 : W.P.C Packet List
U S E R M A N U A L SPEC NO (SHT/SHTS) 10/11 4.6. W.P.C FLOW CHART Picture 5 : W.P.C Flow Chart 4.7. HARDWARE CONFIGURATION The hardware configuration consists of Conrtoll, wireless charging, and wireless charging antenna coils. - CONRTOLL CIRCUIT 1. Control of wireless charger operation 2. INDICATOR operation controll 3. CAN communication controll - W.P.C CIRCUIT 1. Wireless Charging Antenna Coil transfers the power received from BATTEY 2. Check the unidirectional Inventory (ASK) data received from the mobile phone to control the transmission power 3. Control the amount of transmission power through voltage variation 4. Control of rechargeable coil selection function among 3 coils - Wireless Charging Antenna Coil 1. Delivered power from wireless charging circuit to mobile phone
U S E R M A N U A L SPEC NO (SHT/SHTS) 11/11 4.8. SYSTEM CONFIGURATION Confidential Picture 6 : WPC BLOCK DIAGRAM 4.9. W.P.C OPERATION CONDITION 4.9.1. W.P.C OPERATING VOLTAGE OPERATION Signal Value Protection Chattering Time Re marks LOW HIGH Under Over Detect Release Detect Release CAN B+ 6.8V 7V 7.0V 7.5V 18V 17.5V 30ms WPC B+ 8.5V 9V 9.0V 9.5V 16.5V 16.0V 30ms A_ACC 7.1V 7.8V - - - - 30ms LF_Searching 3.0V 5.6V - - - - 10ms LED_AMBER 8.5V 9V - - - - - 500ms LED_GREEN 8.5V 9V - - - - - 500ms Table 5 : W.P.C OPERATING VOLTAGE
U S E R M A N U A L SPEC NO (SHT/SHTS) 12/11 4.9.2. W.P.C INPUT/OUTPUT SPECIFICATIONS - UNIT CONNECTOR : KET MG645877 - UNIT WIRING CONNECTOR : KET MG655823 Picture 7 : UNIT CONNECTOR (12PIN) 4.9.2.1.UNIT Input/Output Interface Pin Designation PIN Description Diagnosis Short circuit proof 1 B+ BATTERY Voltage Input N/A 2 A_ACC ACC Voltage Input N/A 3 N.C. NO.CONNECT N/A 4 L_LFSearchingOn_IN SMK Searching State Input Pull-up resistor/diode 5 B-CAN_HI LS-CAN High Level Signal IC self protection 6 B-CAN_LO LS-CAN Low Level Signal IC self protection 7 N.C. NO.CONNECT N/A 8 P_LED_GREEN Charging State Output Current limit circuit applied (PWM operation) 9 P_LED_AMBER Charging State Output Current limit circuit applied (PWM operation) 10 GND_ECU Ground CONNECT INDICATOR N/A 11 N.C. NO.CONNECT N/A 12 GND_POWER Ground N/A Table 6 : UNIT Input / Output Inerface <UNIT >CONNECTER <WIRING CONNECTOR> <PIN MAP>
U S E R M A N U A L SPEC NO (SHT/SHTS) 13/11 FCC This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with RF exposure requirement.
U S E R M A N U A L SPEC NO (SHT/SHTS) 14/11 IC This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Le present appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisee aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et. (2) l'utilisateur de l'appareil doit accepter tout brouillage radio electrique subi, meme si le brouillage est susceptible d'en compromettre le fonctionnement. This device complies with RF exposure requirement. Cet appareil est conforme à l'exigence d'exposition RF.

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