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August 29, 2020

hoco. N3 Special single port QC3.0 wall charger (EU) disassembly report

The N series of chargers is a series specifically for the European market launched by hoco. The series is exquisite in workmanship and has passed the CE EU safety certification. Today we took out one of the N3 QC3.0 chargers for special disassembly.

Product packaging

hoco n3 special single port qc3.0 wall charger eu disassembly report package front

hoco n3 special single port qc3.0 wall charger eu disassembly report package back

The packaging of the N3 QC3.0 charger adopts a front window design, the charger can be seen without opening the package, which is intuitive and convenient. The multiple certification marks on the bottom right corner of the back of the package also show that this product is very safe.

Appearance

hoco n3 special single port qc3.0 wall charger eu disassembly report material

The charger uses a pure PC flame-retardant material white shell and aluminum alloy decorative strips, adopts a curved design, the input is fixed European standard pins.

hoco n3 special single port qc3.0 wall charger eu disassembly report pins

The European standard pins are specially processed and pass the standard ball pressure test.

hoco n3 special single port qc3.0 wall charger eu disassembly report parameters

Charger parameter information:

Input: 100V-240V~50/60Hz 0.5A universal wide voltage.

Output: 5V/3A(15W), 9V/2A(18W), 12V/1.5A(18W).

There are many certification icons such as CE/ROHS.

hoco n3 special single port qc3.0 wall charger eu disassembly report output port

The output port is a green USB-A port, the silkscreen QC3.0 logo next to the port.

hoco n3 special single port qc3.0 wall charger eu disassembly report length

The length of the charger body measured with a vernier caliper is 85.4mm.

hoco n3 special single port qc3.0 wall charger eu disassembly report width

The width is 43.19mm.

hoco n3 special single port qc3.0 wall charger eu disassembly report thickness

The thickness is 27.16mm.

hoco n3 special single port qc3.0 wall charger eu disassembly report coin

The thickness of the body is equivalent to the diameter of a 1 yuan coin.

hoco n3 special single port qc3.0 wall charger eu disassembly report weight

The charger weighs 53.5g.

hoco n3 special single port qc3.0 wall charger eu disassembly report voltmeter2

Use voltmeter to test, support standard charging protocols such as DCP 5V/1.5A and Apple 2.4A.

hoco n3 special single port qc3.0 wall charger eu disassembly report voltmeter1

It also supports multiple fast charging protocols such as QC/AFC/FCP.

Product disassembly

hoco n3 special single port qc3.0 wall charger eu disassembly report removing shell

The PC shell adopts ultrasonic technology, remove the shell and take out the PCB board, the components on the input end have been glued and reinforced.

hoco n3 special single port qc3.0 wall charger eu disassembly report pc shell

The shell is made of pure PC, flame retardant can reach 750°C.

hoco n3 special single port qc3.0 wall charger eu disassembly report pcb board front side

The front side of the PCB board is at a glance, the edge of the transformer is glued and reinforced, the separation between primary and secondary components is obvious.

hoco n3 special single port qc3.0 wall charger eu disassembly report pcb board back side

The back of the PCB board at a glance.

After observing and analyzing the circuit on the front and back of the PCB board, it is found that the hoco. N3 18W fast charge charger adopts a switching power supply with wide-range output and a typical architecture of secondary protocol chip control output.

Below we start from the input end to understand each component one by one.

hoco n3 special single port qc3.0 wall charger eu disassembly report time lag fuse

The time-lag fuse specification is 2A 250V, which has been certified by Taiwan Huade.

hoco n3 special single port qc3.0 wall charger eu disassembly report a7 smd diodes

Two groups of A7 SMD diodes are silk-screened.

hoco n3 special single port qc3.0 wall charger eu disassembly report desay dm6359

DESAY DM6359 step-down IC.

hoco n3 special single port qc3.0 wall charger eu disassembly report desay dm6359 details

Details of Desai DESAY DM 6539.

hoco n3 special single port qc3.0 wall charger eu disassembly report smd rectifier bridge stack abs10

SMD rectifier bridge stack, ABS-10, SOP-4 package, 50 cores.

hoco n3 special single port qc3.0 wall charger eu disassembly report tc762 qc18w synchronous rectifier

TC762 QC18W Synchronous Rectifier IC

hoco n3 special single port qc3.0 wall charger eu disassembly report capacitors

Two high-voltage filter electrolytic capacitors with specifications of 400V 15μF, come from Dongguan Chuanghui Electronics, and have a good reputation in the industry.

hoco n3 special single port qc3.0 wall charger eu disassembly report power supply capacitor

A close-up of the power supply capacitor of the PWM main control chip, the specification is 50V 10μ, also from Dongguan Chuanghui Electronics.

hoco n3 special single port qc3.0 wall charger eu disassembly report blue y capacitor

A close-up of the output anti-interference blue Y capacitor and color ring inductor, the Y capacitor comes from Dongguan Taicang Electronics.

hoco n3 special single port qc3.0 wall charger eu disassembly report low resistance electrolytic capacitors

Two high-frequency low-resistance electrolytic capacitors, the specification is 680μF, 16V, also from Dongguan Chuanghui Electronics.

hoco n3 special single port qc3.0 wall charger eu disassembly report complete

All dismantling is complete, here is a family portrait.

Summary

Through disassembly, it can be seen that the PCB board space of the hoco. N3 QC18W charger is sufficient, the primary and secondary boundaries are obvious, the input components and the transformer are glued and reinforced, the internal stability is guaranteed. In addition, electrolytic capacitors higher than the industry standard are used, the safety is further improved. At the same time, it has passed CE/ROHS certification, and the materials and workmanship of internal components have reached the industry’s high level.

August 29, 2020

hoco. N3 Special single port QC3.0 wall charger (EU) disassembly report

The N series of chargers is a series specifically for the European market launched by hoco. The series is exquisite in workmanship and has passed the CE EU safety certification. Today we took out one of the N3 QC3.0 chargers for special disassembly.

Product packaging

hoco n3 special single port qc3.0 wall charger eu disassembly report package front

hoco n3 special single port qc3.0 wall charger eu disassembly report package back

The packaging of the N3 QC3.0 charger adopts a front window design, the charger can be seen without opening the package, which is intuitive and convenient. The multiple certification marks on the bottom right corner of the back of the package also show that this product is very safe.

Appearance

hoco n3 special single port qc3.0 wall charger eu disassembly report material

The charger uses a pure PC flame-retardant material white shell and aluminum alloy decorative strips, adopts a curved design, the input is fixed European standard pins.

hoco n3 special single port qc3.0 wall charger eu disassembly report pins

The European standard pins are specially processed and pass the standard ball pressure test.

hoco n3 special single port qc3.0 wall charger eu disassembly report parameters

Charger parameter information:

Input: 100V-240V~50/60Hz 0.5A universal wide voltage.

Output: 5V/3A(15W), 9V/2A(18W), 12V/1.5A(18W).

There are many certification icons such as CE/ROHS.

hoco n3 special single port qc3.0 wall charger eu disassembly report output port

The output port is a green USB-A port, the silkscreen QC3.0 logo next to the port.

hoco n3 special single port qc3.0 wall charger eu disassembly report length

The length of the charger body measured with a vernier caliper is 85.4mm.

hoco n3 special single port qc3.0 wall charger eu disassembly report width

The width is 43.19mm.

hoco n3 special single port qc3.0 wall charger eu disassembly report thickness

The thickness is 27.16mm.

hoco n3 special single port qc3.0 wall charger eu disassembly report coin

The thickness of the body is equivalent to the diameter of a 1 yuan coin.

hoco n3 special single port qc3.0 wall charger eu disassembly report weight

The charger weighs 53.5g.

hoco n3 special single port qc3.0 wall charger eu disassembly report voltmeter2

Use voltmeter to test, support standard charging protocols such as DCP 5V/1.5A and Apple 2.4A.

hoco n3 special single port qc3.0 wall charger eu disassembly report voltmeter1

It also supports multiple fast charging protocols such as QC/AFC/FCP.

Product disassembly

hoco n3 special single port qc3.0 wall charger eu disassembly report removing shell

The PC shell adopts ultrasonic technology, remove the shell and take out the PCB board, the components on the input end have been glued and reinforced.

hoco n3 special single port qc3.0 wall charger eu disassembly report pc shell

The shell is made of pure PC, flame retardant can reach 750°C.

hoco n3 special single port qc3.0 wall charger eu disassembly report pcb board front side

The front side of the PCB board is at a glance, the edge of the transformer is glued and reinforced, the separation between primary and secondary components is obvious.

hoco n3 special single port qc3.0 wall charger eu disassembly report pcb board back side

The back of the PCB board at a glance.

After observing and analyzing the circuit on the front and back of the PCB board, it is found that the hoco. N3 18W fast charge charger adopts a switching power supply with wide-range output and a typical architecture of secondary protocol chip control output.

Below we start from the input end to understand each component one by one.

hoco n3 special single port qc3.0 wall charger eu disassembly report time lag fuse

The time-lag fuse specification is 2A 250V, which has been certified by Taiwan Huade.

hoco n3 special single port qc3.0 wall charger eu disassembly report a7 smd diodes

Two groups of A7 SMD diodes are silk-screened.

hoco n3 special single port qc3.0 wall charger eu disassembly report desay dm6359

DESAY DM6359 step-down IC.

hoco n3 special single port qc3.0 wall charger eu disassembly report desay dm6359 details

Details of Desai DESAY DM 6539.

hoco n3 special single port qc3.0 wall charger eu disassembly report smd rectifier bridge stack abs10

SMD rectifier bridge stack, ABS-10, SOP-4 package, 50 cores.

hoco n3 special single port qc3.0 wall charger eu disassembly report tc762 qc18w synchronous rectifier

TC762 QC18W Synchronous Rectifier IC

hoco n3 special single port qc3.0 wall charger eu disassembly report capacitors

Two high-voltage filter electrolytic capacitors with specifications of 400V 15μF, come from Dongguan Chuanghui Electronics, and have a good reputation in the industry.

hoco n3 special single port qc3.0 wall charger eu disassembly report power supply capacitor

A close-up of the power supply capacitor of the PWM main control chip, the specification is 50V 10μ, also from Dongguan Chuanghui Electronics.

hoco n3 special single port qc3.0 wall charger eu disassembly report blue y capacitor

A close-up of the output anti-interference blue Y capacitor and color ring inductor, the Y capacitor comes from Dongguan Taicang Electronics.

hoco n3 special single port qc3.0 wall charger eu disassembly report low resistance electrolytic capacitors

Two high-frequency low-resistance electrolytic capacitors, the specification is 680μF, 16V, also from Dongguan Chuanghui Electronics.

hoco n3 special single port qc3.0 wall charger eu disassembly report complete

All dismantling is complete, here is a family portrait.

Summary

Through disassembly, it can be seen that the PCB board space of the hoco. N3 QC18W charger is sufficient, the primary and secondary boundaries are obvious, the input components and the transformer are glued and reinforced, the internal stability is guaranteed. In addition, electrolytic capacitors higher than the industry standard are used, the safety is further improved. At the same time, it has passed CE/ROHS certification, and the materials and workmanship of internal components have reached the industry’s high level.

August 29, 2020

hoco. N3 Special single port QC3.0 wall charger (EU) disassembly report

The N series of chargers is a series specifically for the European market launched by hoco. The series is exquisite in workmanship and has passed the CE EU safety certification. Today we took out one of the N3 QC3.0 chargers for special disassembly.

Product packaging

hoco n3 special single port qc3.0 wall charger eu disassembly report package front

hoco n3 special single port qc3.0 wall charger eu disassembly report package back

The packaging of the N3 QC3.0 charger adopts a front window design, the charger can be seen without opening the package, which is intuitive and convenient. The multiple certification marks on the bottom right corner of the back of the package also show that this product is very safe.

Appearance

hoco n3 special single port qc3.0 wall charger eu disassembly report material

The charger uses a pure PC flame-retardant material white shell and aluminum alloy decorative strips, adopts a curved design, the input is fixed European standard pins.

hoco n3 special single port qc3.0 wall charger eu disassembly report pins

The European standard pins are specially processed and pass the standard ball pressure test.

hoco n3 special single port qc3.0 wall charger eu disassembly report parameters

Charger parameter information:

Input: 100V-240V~50/60Hz 0.5A universal wide voltage.

Output: 5V/3A(15W), 9V/2A(18W), 12V/1.5A(18W).

There are many certification icons such as CE/ROHS.

hoco n3 special single port qc3.0 wall charger eu disassembly report output port

The output port is a green USB-A port, the silkscreen QC3.0 logo next to the port.

hoco n3 special single port qc3.0 wall charger eu disassembly report length

The length of the charger body measured with a vernier caliper is 85.4mm.

hoco n3 special single port qc3.0 wall charger eu disassembly report width

The width is 43.19mm.

hoco n3 special single port qc3.0 wall charger eu disassembly report thickness

The thickness is 27.16mm.

hoco n3 special single port qc3.0 wall charger eu disassembly report coin

The thickness of the body is equivalent to the diameter of a 1 yuan coin.

hoco n3 special single port qc3.0 wall charger eu disassembly report weight

The charger weighs 53.5g.

hoco n3 special single port qc3.0 wall charger eu disassembly report voltmeter2

Use voltmeter to test, support standard charging protocols such as DCP 5V/1.5A and Apple 2.4A.

hoco n3 special single port qc3.0 wall charger eu disassembly report voltmeter1

It also supports multiple fast charging protocols such as QC/AFC/FCP.

Product disassembly

hoco n3 special single port qc3.0 wall charger eu disassembly report removing shell

The PC shell adopts ultrasonic technology, remove the shell and take out the PCB board, the components on the input end have been glued and reinforced.

hoco n3 special single port qc3.0 wall charger eu disassembly report pc shell

The shell is made of pure PC, flame retardant can reach 750°C.

hoco n3 special single port qc3.0 wall charger eu disassembly report pcb board front side

The front side of the PCB board is at a glance, the edge of the transformer is glued and reinforced, the separation between primary and secondary components is obvious.

hoco n3 special single port qc3.0 wall charger eu disassembly report pcb board back side

The back of the PCB board at a glance.

After observing and analyzing the circuit on the front and back of the PCB board, it is found that the hoco. N3 18W fast charge charger adopts a switching power supply with wide-range output and a typical architecture of secondary protocol chip control output.

Below we start from the input end to understand each component one by one.

hoco n3 special single port qc3.0 wall charger eu disassembly report time lag fuse

The time-lag fuse specification is 2A 250V, which has been certified by Taiwan Huade.

hoco n3 special single port qc3.0 wall charger eu disassembly report a7 smd diodes

Two groups of A7 SMD diodes are silk-screened.

hoco n3 special single port qc3.0 wall charger eu disassembly report desay dm6359

DESAY DM6359 step-down IC.

hoco n3 special single port qc3.0 wall charger eu disassembly report desay dm6359 details

Details of Desai DESAY DM 6539.

hoco n3 special single port qc3.0 wall charger eu disassembly report smd rectifier bridge stack abs10

SMD rectifier bridge stack, ABS-10, SOP-4 package, 50 cores.

hoco n3 special single port qc3.0 wall charger eu disassembly report tc762 qc18w synchronous rectifier

TC762 QC18W Synchronous Rectifier IC

hoco n3 special single port qc3.0 wall charger eu disassembly report capacitors

Two high-voltage filter electrolytic capacitors with specifications of 400V 15μF, come from Dongguan Chuanghui Electronics, and have a good reputation in the industry.

hoco n3 special single port qc3.0 wall charger eu disassembly report power supply capacitor

A close-up of the power supply capacitor of the PWM main control chip, the specification is 50V 10μ, also from Dongguan Chuanghui Electronics.

hoco n3 special single port qc3.0 wall charger eu disassembly report blue y capacitor

A close-up of the output anti-interference blue Y capacitor and color ring inductor, the Y capacitor comes from Dongguan Taicang Electronics.

hoco n3 special single port qc3.0 wall charger eu disassembly report low resistance electrolytic capacitors

Two high-frequency low-resistance electrolytic capacitors, the specification is 680μF, 16V, also from Dongguan Chuanghui Electronics.

hoco n3 special single port qc3.0 wall charger eu disassembly report complete

All dismantling is complete, here is a family portrait.

Summary

Through disassembly, it can be seen that the PCB board space of the hoco. N3 QC18W charger is sufficient, the primary and secondary boundaries are obvious, the input components and the transformer are glued and reinforced, the internal stability is guaranteed. In addition, electrolytic capacitors higher than the industry standard are used, the safety is further improved. At the same time, it has passed CE/ROHS certification, and the materials and workmanship of internal components have reached the industry’s high level.