Home > W three coil—SG3005A

Wireless charging launcher TX project—5W three coil—SG3005A


1. Project introduction:

SG3005A adopts the Newyea NY7501AA main chip, autonomous scheme design, stable performance and low standby power consumption. With the unique PWM modulation technology, the conversion efficiency is greatly improved, and the convenience of wireless charging is easily realized. This scheme supports WPC1.2 standard and is very suitable for public and family use。


2. Spec:

Type:

5W   three coil

Application:

Emitter

Working   way:

Electromagnetic

Chip brand:

Newyea

Chip   type:

NY7501AA

Compatible   agreement:

WPC1.2

Working   frquency:

110Khz-205Khz

Working   voltage:

4.5-5.5V

Transmission   power

5W


3. Program features:

Model:SG3005A

Packaging:

QFN


1

PCBA size:

75*38*3mm

PCBA:

4 layers FR4、one side SMT

Coil size:

 94*52mm

Coil-process:

Plane self-adhesive technology

input:

5.0V/2.0A

Efficiency:

70%

Effective-distance:

3-5mm

Support-interface:

USB

Function-support:

Support foreign body detection, overcurrent protection over-temperature protection, intelligent identification.

Advantages-disadvantages:

High charging efficiency, low temperature rise, simple peripheral circuit, good compatibility, only suitable for small power applications.

 

4. Product application:

Model:SG3005A

1、Conventional consumer electronics;


2、Handheld terminal;


3、Car accessories;


4、Smart wearable;


5、Smart home.

2


5. Efficiency  diagram

3