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Established By Seoyon Electronics Page 1/11 Spec No. U S E R M A N U A L W.P.C SYSTEM I N D E X 1. PURPOSE 2. SCOPE 3. ABBREVIATIONS AND DEFINITIONS 4. SYSTEM OVERVIEW RELEASED Rev.NO DESCRIPTION OF CHANGED REV. DATE 2017.05.26
(PLM MANAGEMENT SYSTEM) ALL 2017.05.26 W.C NO CHANGE PAGE SORT PREPARED REV. DATE CHECKED REV. BY APPROVED A P P R O V A L WON CHUL HO NAM GYEONG HEUM NO KIM CHOI 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 CR#
Date Ver. Editor Chap. Description Document Change History 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. ABBREVIATIONS AND DEFINITIONS 3. Item, abbreviation, acronym WPC Active Area Description Wireless Power Charger An interface surface portion through which magnetic flux penetrates sufficiently when the base station provides power to the mobile device Wireless power transmission system Subsystem of base station that Power Transmitter 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 Place the mobile device on the interface surface of the base station. Free Positioning The user does not need to align the active area of the mobile device with the active area of the base station. One way to locate a mobile device on the interface surface of the base Guided Positioning 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 Wireless Power Transmission System Subsystem of Mobile Device that Power Receiver 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 A set of boundary conditions with parameters having characteristics for Contract 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 2 3 4 Signal Strength Receiver Type Digital Ping Identification Configuration Information such as the receiver manufacturer Receiver internal information End Power Transfer Stop power transmission Digital Ping Table 2 : Digital Ping Packe Analog Ping
(Pad No object) above) 500msec Within Analog Ping-Pad After detection of upper object Digital Ping and receiver information recognition Picture 3 : Receiver Recognition (Ping) Phase and Power Transfer Phase Ping Division Analog Digital Voltage Timing Frequency SIDE : 3.5V0.5V Center : 3.0V0.5V
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500ms 500ms 64ms 111kHz5kHz 111kHz5kHz 111kHz5kHz Table 3 : Ping Specification 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 4.6. W.P.C FLOW CHART SPEC NO
(SHT/SHTS) 10/11 Picture 5 : W.P.C Flow Chart 4.7. HARDWARE CONFIGURATION The hardware configuration consists of Conrtoll, wireless charging, and wireless charging antenna coils.
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CONRTOLL CIRCUIT 1. Control of wireless charger operation 2. INDICATOR operation controll 3. CAN communication controll
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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
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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 LOW HIGH Under Over Detect Release Detect Release Chattering Re Time marks CAN B+
B+
6.8V 8.5V 7V 9V 7.0V 9.0V 7.5V 18V 17.5V 9.5V 16.5V 16.0V A_ACC 7.1V 7.8V WPC LF_Searching 3.0V 5.6V LED_AMBER LED_GREEN 8.5V 8.5V 9V 9V
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30ms 30ms 30ms 10ms
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500ms 500ms Table 5 : W.P.C OPERATING VOLTAGE
(SHT/SHTS) 12/11 U S E R M A N U A L SPEC NO 4.9.2. W.P.C INPUT/OUTPUT SPECIFICATIONS UNIT CONNECTOR : KET MG645877 UNIT WIRING CONNECTOR : KET MG655823
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<PIN MAP>
<WIRING CONNECTOR>
<UNIT >CONNECTER Picture 7 : UNIT CONNECTOR (12PIN) 4.9.2.1.UNIT Input/Output Interface Pin Designation PIN Description Diagnosis Short circuit proof 1 B+
2 A_ACC 3 N.C. BATTERY Voltage Input ACC Voltage Input NO.CONNECT 4 L_LFSearchingOn_IN SMK Searching State Input 5 B-CAN_HI 6 B-CAN_LO 7 N.C. LS-CAN High Level Signal LS-CAN Low Level Signal NO.CONNECT P_LED_GREEN Charging State Output 8 9 P_LED_AMBER Charging State Output 10 GND_ECU 11 N.C. 12 GND_POWER Ground CONNECT INDICATOR NO.CONNECT Ground N/A N/A N/A Pull-up resistor/diode IC self protection IC self protection N/A Current limit circuit applied
(PWM operation) Current limit circuit applied
(PWM operation) N/A N/A N/A Table 6 : UNIT Input / Output Inerface 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 l'exigence d'exposition RF.