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QC

QC is the abbreviation of Qualcomm QuickCharge fast charging, a fast charging protocol born for the unification (Snapdragon platform models); with the continuous development of technology, QC is also constantly innovating. Qualcomm QC fast charging has released multiple generations of standards, such as: QC1.0, QC2.0, QC3.0, QC4.0, QC4.0+.

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More Introduction

1. Introduction to QC Fast Charge Protocol Certification

QC is the abbreviation of Qualcomm QuickCharge fast charging, a fast charging protocol born for the unification (Snapdragon platform models); with the continuous development of technology, QC is also constantly innovating. Qualcomm QC fast charging has released multiple generations of standards, such as: QC1.0, QC2.0, QC3.0, QC4.0, QC4.0+.

 

2. the importance of QC certification

1. Certified products can purchase Qualcomm fast charging ICs in batches, and the charging efficiency is improved;

2. Allow the use of QC certified LOGO to enhance corporate brand influence and competitiveness;

3. Under the environment where the world has been calling for energy conservation and emission reduction, such enterprises and products will be recognized by the society and consumers.

 

3. Development of QC fast charging protocol certification:

(1) QC1.0 fast charging protocol

Breaks the maximum 1.5A current limit of the BC1.2 charging protocol.

Up to 5V2A, the charging time is shortened by 40%

(2) QC2.0 fast charging protocol

Opened the era of high-voltage charging, breaking the conventional 5V output voltage standard for many years and increasing 9V/12V/20V,

By recognizing the D+/D- voltage of USB, and handshake identification with QC2.0 identification IC, the typical output scheme: 5V2A, 9V2A, 12V1.5A (18W), and the data cable does not need special treatment, the old cable can be used universally.

(3) QC3.0 fast charging protocol

QC3.0 uses two standards of ClassA and ClassB, of which QC2.0 of ClassA standard supports three voltages of 5V9V12V, QC3.0 supports fluctuating voltages of 3.6V-12V, and QC2.0 of ClassB standard supports four voltages of 5V9V12V20V, QC3. 0 supports the fluctuating voltage of 3.6V-20V.

(4) QC4.0 fast charging protocol

Gaotong "5FOR5" to describe QC4.0, this technology can let users use 5 hours (battery capacity: 2750mAh) in the case of charging for 5 minutes, it can change a battery capacity to 2750mAh in 15 minutes to charge the device to 50% power. QC4.0 is backward compatible with the previous QC fast charge, and supports USBType-C and USBPD.

(5) QC4.0+ fast charging protocol

The + symbol of QC4+ means: QC4.0 has added and is compatible with the previous QC3.0 and QC2.0.

+ also means for more generations to appear.

 

4. QC certification process

1. Sign a contract

2. Submit samples, sample data and documentation

3. Product testing

4. Sign the Qualcomm Agreement

5. Audit report, forensics

6. Upload the website

 

5. Information to be prepared for QC certification

1. More than 2 test samples

2. Component list (BOM)

3. PCB board layout (LAYOUT)

4. Sample schematic diagram, manual

5. Labels

6. Fill in the application form Note: The specific information is confirmed according to the product specification.

 

6. for QC certification body

ANCI has established an industry-leading large-scale testing base in South China (Dongguan), which is a China CNAS L6214, CMA (201819013768) accredited CBTL testing laboratory, and an international IEC authorized CBTL testing laboratory. It strictly enforces quality in accordance with the laboratory accreditation system specification ISO/IEC 17025 Control, obtain the authorization qualifications of many international institutions, senior engineers one-to-one service, large laboratories operate efficiently throughout the day, greatly improve the pass rate of QC certification, and the certification time is fast.


5s response, 15min quotation

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400-7558988

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