Wireless Power Transfer Module

Wireless Power Transfer Module

The Wireless Power Transfer Module can be used in electronic equipments in common use for close wireless charging or power supply. Consist of a Transmitter & Receiver and coil, it could serve as a replacement for the Wireless Power Supply with stable 5Vto12V output voltage and maximum 500mA output current. Its small size and insulation coil is more suitable for using in wireless project.

This module uses an electromagnetic field to transfer electric energy between a transmitter circuit and a receiver circuit. 

An induction coil creates an alternating electromagnetic field from within the transmitter circuit powered with 6V. The second induction coil takes power from the electromagnetic field and converts it back into electrical current to the receiver circuit that outputs 5V To12V 600mA.

Specifications

·        Transmitter Input Voltage: 6V-2Amps

·        Receiver Output Voltage: Two type of outputs

            1. +0.5to 12v Variable based on distance

            2. +5V DC regulated fixed

·        Maximum Receiver Current Capacity: 600mA (Based on distance)

·        Transmit Receive Distance: 1-7cm(70mm)

·        Transmitter PCB dimension (LxWxH in mm):32.5x1.5x67.3mm

·        Receiver PCB dimension (LxWxH in mm):44.5x1.5x68.5mm

·        Both Coil diameter :81mm

·        Weight: 106g.

Current Consideration

The transmitter coil and the receiving coil distance suitable is from 1cm to 7cm mm. Increase the number of turns of the receiver coil to increase the transmission distance when low current is suitable in your application. As distance increase current capacity of receiver will drop.

Test data for current as distance increases are as below

Distance

Receiver Voltage

Receiver Current

1cm

            13V

         600 mA

1.5cm

            12V

         450 mA

2cm

            10V

         360 mA 

2.5cm

             8V

         310 mA

3cm

            7.5V

         240 mA

3.5cm

            6.5V

         210 mA

4cm

             5V

         160 mA

4.5cm

             4V

         150 mA

5cm

            3.5V

         130 mA

5.5cm

             3V

         120 mA

6cm

            2.5V

         100 mA

6.5cm

            2.3V

         70 mA

7cm

            2V

         60 mA

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