2AR4XYGKJ-VFE34SWireless Power Charging

SHENZHEN INVISPOWER TECHNOLOGY CO., LTD. document number：YG-PM0200-002 0 VERSION： V1.0 NAME：WLC ECU Product Specification PRODUCT MODEL：WLC ECU PRODUCTCODE：21532 CUSTOMER NAME：VINFAST FILE TYPE： □HW □SW□STRUOTHER □TEST DOCUMENT□DESIGN DOCUMENT SECRECY： □INTERNAL EXTERNAL □NO ALL WRITE BY：CHUN ZHANG日期： 2023-03-02 CHECK BY：LAIJIAFU日期： 2023-03-02 APPROVE BY：ZHANGJUNYONG日期： 2023-03-02 SHENZHEN INVISPOWER TECHNOLOGY CO., LTD. document number：YG-PM0200-002 1 Document revision of resume Num. Ver. Content Date Make BY Remark 1 V1.0 first edition 2023-03-02 CHUN ZHANG SHENZHEN INVISPOWER TECHNOLOGY CO., LTD. document number：YG-PM0200-002 2 目录 1 Overview ....................................................................................................................................... 3 1.1 background ................................................................................................................................ 3 1.2 Product function description ........................................................................................................ 3 1.3 Product index function parameter ................................................................................................ 3 1.4 Connector model and interface definition ..................................................................................... 4 2 Product function description ......................................................................................................... 5 2.1 Description of product structure .................................................................................................. 5 2.1.1 Appearance and requirements ................................................................................................ 5 2.1.2 Structural dimension/material/weight composition .................................................................. 5 2.1.3 Module installation instructions ............................................................................................. 6 2.1.4 Efficiency test results of the whole machine ........................................................................... 6 2.2 Detailed description of product software ...................................................................................... 7 2.2.1 Communication method and Protocol Description ................................................................... 9 2.2.2 Description of realization method of product software protection function. ............................... 9 SHENZHEN INVISPOWER TECHNOLOGY CO., LTD. document number：YG-PM0200-002 3 1 Overview 1.1 background The content described in this document applies to VINFAST Automobile VFe34S project。 1.2 Product function description This product can provide charging service for wireless charger receiver that supports QI standard. 1.3 Product index function parameter Num. Technical index function Design parameter value identification Remark 1 input voltage 9-16V 2 Input current 2A@12V 3 output voltage 12V/5V Output voltage: The output voltage at the receiving end 4 output current 1.25A（12V） input voltage>11V 1A（5V） input voltage≤11V 5 output power 15W(max) Compatible with 5 w 6 Standby current ≦50mA(average current) 7 Sleep current NA Not a normal power supply does not do the requirement 8 static current NA Not a normal power supply does not do the requirement 9 System conversion efficiency ≥60%@5W Coil distance 4mm test 10 Effective charging distance 3～8mm The distance is the distance between the transmitter coil and the receiver coil 11 Effective charging range 60*20mm （Distance between transmitting and receiving coils7mm） 12 Working frequency 127±10KHz 13 Working temperature -30°C～+80°C 14 Storage temperature -40°C～+90°C 15 Protection grade IP52 16 Qi certification QI 1.2.4 17 Protection function Overtemperature protection, overcurrent protection, overvoltage protection and undervoltage SHENZHEN INVISPOWER TECHNOLOGY CO., LTD. document number：YG-PM0200-002 4 protection and other protection functions 1.4 Connector model and interface definition PCBConnector model brand Type of wire end connector Brand 34793-0080 Molex 34791-0080 Molex Connector diagram PIN 1 SHENZHEN INVISPOWER TECHNOLOGY CO., LTD. document number：YG-PM0200-002 5 2 Product function description 2.1 Description of product structure 2.1.1 Appearance and requirements The appearance should be clean and tidy, and there should be no dents, obvious scratches, cracks, deformations, burrs, mildew and other defects on the surface. Surface coating should not bubble, crack, fall off; Parts should be fastened without looseness. 2.1.2 Structural dimension/material/weight composition Size： SHENZHEN INVISPOWER TECHNOLOGY CO., LTD. document number：YG-PM0200-002 6 The material, weight and quantity of materials used in the structure are shown in the following table: NO. name material weight (g) quantity 1 On the cover PC+ABS 1 2 The shell ADC12 1 3 PCBA component component 1 4 shield AL5052 1 5 Cross grooved countersunk head screw C1018 4 Total weigh t About300g 2.1.3 Module installation instructions 2.1.4 Efficiency test results of the whole machine 15W/MP-A13 Scheme test efficiency Efficiency test method: efficiency  =Pout/Pin Test results: SHENZHEN INVISPOWER TECHNOLOGY CO., LTD. document number：YG-PM0200-002 7 2.2 Detailed description of product software Software Overview: 1．This product software solution is a reference platform for 15W multi-coil transmitter and is designed for wireless charging application of vehicles based on KF32A140 sending controller IC. 2．The controller IC manages and performs all the control functions required to implement the wireless charging transmitter solution. 3．The solution provides a high-performance wireless charging system that also takes into account the complex working environment of the vehicle. 4．The design conforms to the latest Qi specification of wireless charging Alliance and has been certified by MP-A13 transmitter. NUV provides a set of W…

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SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD Rev 1/26/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date:2023/6/7 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID:2AR4XYGKJ-VFE34S SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Print name: Zhonghua Deng

SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD Rev 1/26/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023/6/7 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID:2AR4XYGKJ-VFE34S SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) Print name: Zhonghua Deng

Shenzhen Invispower Technology Co., Ltd. 13B, Xu Sheng building, 4004 Baoan Avenue, Baoan District, Shenzhen, China Date: July 5, 2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AR4XYGKJ-VFE34S FRN: 0028082774 US Agent – Attestation Statement / Part 2.911(d)(7) Shenzhen Invispower Technology Co., Ltd. certifies, that as of July 5, 2023, we have designated UA INTERNATIONAL INC. to accept service of process on our behalf for FCC ID: 2AR4XYGKJ-VFE34S. Shenzhen Invispower Technology Co., Ltd., accepts to maintain an agent of service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. UA INTERNATIONAL INC., accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of Shenzhen Invispower Technology Co., Ltd. for FCC ID: 2AR4XYGKJ-VFE34S. Designated Agent Information: Company Name: UA INTERNATIONAL INC. Address: 5030 Boardwalk Dr, Suite 818, Colorado Springs, CO 80919, United States FRN: 0033510736 Contact Person: Jessica Zhong Phone: (719) 678-7182 Email: [email protected] Sincerely, Company: Shenzhen Invispower Technology Co., Ltd. Designated Agent: UA INTERNATIONAL INC. Company Representative: Zhonghua Deng Designated Agent Representative: Jessica Zhong Signature: Signature:

SHENZHEN INVISPOWER TECHNOLOGY CO., LTD. Agent Authorization Company: SHENZHEN INVISPOWER TECHNOLOGY CO., LTD. Address: 13B, Xu Sheng building, 4004 Baoan Avenue, Baoan District, Shenzhen, China Product Name: WLC_ECU Model Number(s): WLC_ECU Product Description: Wireless Power Charging We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2023-06-21 Name: Zhonghua Deng Title: Test Engineer Company: SHENZHEN INVISPOWER TECHNOLOGY CO., LTD.

SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD Date: June 7, 2023 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern: The SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD, the undersigned, hereby authorizes Mr. Wu Xuewen from Shenzhen BALUN Technology Co., Ltd., to act on the behalf of the SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD solely in matters relating to the application for an FCC equipment authorization for FCC ID:2AR4XYGKJ-VFE34S including the signing of documents in connection with this Application. Necessary acts carried out by Shenzhen BALUN Technology Co., Ltd. in connection with the Application shall have the same effect as acts of the SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD. The SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. Section 862. Yours Sincerely, Print name: Title: Test Engineer SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD

SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD Date: June 7, 2023 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 RE: Guangdong OPPO Mobile Telecommunications Corp., Ltd. FCC ID:2AR4XYGKJ-VFE34S FCC Certification Confidentiality Request Gentlemen: This letter is to comply with 47 CFR 0.457 and 0.459 pertaining to confidentiality material. SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD requests that the following documents regarding this submission for FCC ID:2AR4XYGKJ-VFE34S be kept Long-Term confidential: Exhibit Type File Name Block Diagram Block Diagram.pdf Schematics Schematics.pdf Operational Description Operational Description.pdf And below exhibit kept short-term confidential (180 days): Those documents contain detailed system and equipment description and related information about the product which SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD. considers to be confidential proprietary, a custom design and, otherwise, not releasable to the general public. Since this design is a basis form which future technological products will evolve, SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD considers this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Thank you for your attention to this matter. Print name: Title: Test Engineer SHENZHEN INVISPOWER TECHNOLOGY CO.,LTD Exhibit Type File Name External Photos External Photo.pdf Internal Photos Internal Photo.pdf Test Setup Photos Test Setup Photos.pdf Users Manuals Users Manual.pdf

Report No.: BL-SZ2340120-AW 1 / 3 EUT EXTERNAL PHOTOS FRONT VIEW OF EUT REAR VIEW OF EUT Report No.: BL-SZ2340120-AW 2 / 3 LEFT SIDE VIEW OF EUT RIGHT SIDE OF EUT Report No.: BL-SZ2340120-AW 3 / 3 TOP VIEW OF EUT BOTTOM VIEW OF EUT --BLANK BELOW--

Label & Label location Batch no. YG-LD0107-001/A01

Report No.: BL-SZ2340120-AI 1 / 3 EUT INTERNAL PHOTOS EUT UNCOVER VIEW EUT UNCOVER VIEW Report No.: BL-SZ2340120-AI 2 / 3 EUT UNCOVER VIEW EUT UNCOVER VIEW Coil antenna RF chip Report No.: BL-SZ2340120-AI 3 / 3 EUT UNCOVER VIEW --BLANK BELOW--

Report No.: BL-SZ2340120-401 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 22 Web: www.titcgroup.com Template No.: TRP-FCC 15B&ICES 003 (2023-01-10) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: SHENZHEN INVISPOWER TECHNOLOGY CO., LTD. Address: 13B, Xu Sheng building, 4004 Baoan Avenue, Baoan District, Shenzhen, China Equipment Type: WLC_ECU Model Name: WLC_ECU Brand Name: VINFAST FCC ID: 2AR4XYGKJ-VFE34S Test Standard: 47 CFR Part 15 Subpart B ANSI C63.4-2014 Sample Arrival Date: Apr. 07, 2023 Test Date Apr. 12, 2023 Date of Issue: Jul. 03, 2023 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Zhang Guoxi Checked by: Xia Long Approved by: Liao Jianming (Technical Director) _______________ _______________ _______________ Report No.: BL-SZ2340120-401 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 22 Web: www.titcgroup.com Template No.: TRP-FCC 15B&ICES 003 (2023-01-10) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Revision History Version Issue Date Revisions Content Rev. 01 Jun.15, 2023 Initial Issue Rev. 02 Jul. 03, 2023 Delete standards and data for ICES-001, Add work frequency description and delete Radiated Emission (1-18G) data. TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ................................................................................................................... 4 1.2 Test Location ....................................................................................................................... 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information ........................................................................................................... 5 2.2 Manufacturer Information .................................................................................................... 5 2.3 Factory Information ............................................................................................................. 5 2.4 General Description for Equipment under Test (EUT) ......................................................... 5 2.5 Ancillary Equipment ............................................................................................................. 6 2.6 Technical Information .......................................................................................................... 6 3 SUMMARY OF TEST RESULTS ............................................................................................... 7 3.1 Test Standards .................................................................................................................... 7 3.2 Verdict ................................................................................................................................. 7 3.3 Test Uncertainty .................................................................................................................. 7 4 GENERAL TEST CONFIGURATIONS ...................................................................................... 8 4.1 Test Environments,Test Date and Test Engineer ................................................................ 8 4.2 Test Equipment List ............................................................................................................. 8 Test Enclosure list ......................................................................................................................... 9 4.3 Test Configurations ........................................................................................................... 10 4.4 Test Setups ....................................................................................................................... 11 4.5 Test Conditions ................................................................................................................. 13 5 TEST ITEMS ........................................................................................................................... 14 5.1 Emission Tests .................................................................................................................. 14 Report No.: BL-SZ2340120-401 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 22 Web: www.titcgroup.com Template No.: TRP-FCC 15B&ICES 003 (2023-01-10) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China ANNEX A TEST RESULTS ......................................................................................................... 18 A.1 Radiated Emission ............................................................................................................ 18 A.2 Conducted Emission ......................................................................................................... 20 ANNEX B TEST SETUP PHOTOS ............................................................................................. 21 ANNEX C EUT EXTERNAL PHOTOS ......................................................................................... 21 ANNEX D EUT INTERNAL PHOTOS .......................................................................................... 21 Report No.: BL-SZ2340120-401 Tel: +86-755-66850100 E-mail: [email protected] Page No. 4 / 22 Web: www.titcgroup.com Template No.: TRP-FCC 15B&ICES 003 (2023-01-10) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 1 GENERAL INFORMATION 1.1 Test Laboratory Name Shenzhen BALUN Technology Co., Ltd. Address Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Gu…

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ReportNo.:BL-SZ2340120-AE-1 1 / 1 TESTSETUPPHOTOS 1RadiatedEmission Below1GHz Close-upPhoto --BLANKBELOW--