MOBASE ELECTRONICS MBECNWPC2307 Wpc Unit User Manual

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MOBASE ELECTRONICS
USER MANUAL

Operational description

MBECNWPC2307

PAGE
SPEC NO.

GENERAL INFORMATION

1.1 Description of WPC UNIT
The actual distance used by the EUT is 20cm.
WPC UNIT provides the following functions.

• MAX 15W Wireless Charging
• NFC Vechicle Start status
• Wireless Charging : 114~116kHz(5W,15W), 1126~128kHz(7.5W)
• NFC Reader : 13.56MHz

1.3 System overview
Wireless charging controller <LP, MP> – System for charging mobile phone wirelessly in vehicle using electromagnetic induction between coils

1. After inputting IGN1 power, the reception coil (cell phone RX Coil)
2. Confirmation of non-mobile NFC mounting via NFC Multi Tagging <MP + NFC>
3. (TX side charging pad: wireless charger side) Current flows in the transmission coil
4. The magnetic field generated by the current of the transmission coil is guided to the receiving coil and induction current is generated in the receiving coil
5. The charging current starts to be charged through PMIC (Power module IC) of mobile phone

NFC Communication Controller <MP + NFC> – Vehicle start, key registration, and vehicle information transmission / reception device through mutual communication with NFC (near field communication) installed in mobile phone and ECU.

1. After inputting B + power, put Smart Phone on top of ECU
2. When charging C_WPCNFCCmd = 0x01 (NFCSearchingOnHCE) from the authentication unit, stop wireless charging && NFC Start
3. PhoneKeyAuth Mode (SmartPhone ↔ WPC ↔ IAU AUTH certification)
4. RTC SYNC MODE (RTC synchronization)
5. CertificateChain SYNC MODE (Certificate Synchronization)
6. PhoneKey Sync MODE MODE (Synchronize PhoneKey and Spare Key)
7. When C_WPCNFCCmd = 0x02 (NFC Searching Off) is input from the authentication unit NFC Mode Stop && When IGN1 is ON, Wireless charging Start

ELECTRICAL CHARACTERISTICS

2.1 Operating characteristics of MP

126 ‐ 128 kHz
Standby Current| Below than 1mA

Table 1: Electrical characteristics of MP

2.2 Operating characteristics of MP+NFC

126 ‐ 128 kHz
NFC Frequency| 13.56MHz
Standby Current| Below than 1mA

Table 2: Electrical characteristics of MP+NFC

2.3 UNIT Input/Output Interface

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.
Any changes or modifications (including the antennas) to this device that are not expressly approved by the manufacturer may void the user’s authority to operate the equipment.
FCC RF Radiation Exposure Statement: This equipment complies with FCC RF Radiation exposure limits set forth for an uncontrolled environment. This device and its antenna must not be co-located or operating in conjunction with any other antenna or  transmitter.
This equipment should be installed and operated with a minimum distance of 20 cm between the radiator and your body.
ISED
This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions:

1. This device may not cause interference.
2. This device must accept any interference, including interference that may cause undesired operation of the device.

IC RF Radiation Exposure Statement: This equipment complies with Radiation exposure limits set forth for an uncontrolled environment. This device and its antenna must not be co-located or operating in conjunction with any other antenna or transmitter.
This equipment should be installed and operated with a minimum distance of 10 cm between the radiator and your body.

References

• Ren Røros

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