Long Charging Distance Wireless Charger Circuit Board

DESK-TX1805 transmitter module consists of the 50mm Tx coil (see later description) with an integrated electronics PCB.


1.Product introduction

DESK-TX1805 transmitter module consists of the 50mm Tx coil (see later description) with an integrated electronics PCB.

The DESK-TX1805 transmitter module offers a Coil-to-coil charging distance up to 8mm(+/- 1mm).

The DESK-TX1805 transmitter module accepts QC2.0/3.0 Qualcomm quick-charge Adapters which provides 5V2A or 9V1.67 input on demand.

Thermal management system is designed to stop power transfer when the sense temperature is exceeding

safety threshold while auto-resume mechanism would rescan the device when the temperature cool down to safety level.

2.Product parameters

Input voltage : 5V/9VDC+/-5%

Rated input current: 5V-2.0A/9V-1.5A

Required input Ripple voltage: <150mVp-p @ 1.5A 9V

Output power of Rx: 5W-7.5W-10W (10W / 9V-1.5A input)

Switching frequency: Working For QI 110-205KHZ / Iphone 126.5KHz +/-3KHz

Charging Efficiency >70% (TI Medium Power Test RX)10W >75% (IDT P9221-R-EVK)10W

Ambient operating Temperature: -10 to 45°C

Over current protection: Yes

Thermal protection: Yes

Storage Temperature: -20 to +85°C

Effective Charging Area: typ. +/-5mm from coil centre (Dz=3mm)

Effective Charging Distance: typ.+3~ +8mm from Tx-coil to Rx-coil

3.Product features and applications

The DESK-TX1805 transmitter module consists of a PCBA with micro USB connection to the external QuickCharge2.0/3.0 Adapter supply.

Coloured LED indicates status of the transmitter, such as receiver detection, charging and error, etc.

4.Product details


5.After-sale service

Shipping and payment:

* Payment include: Paypal, Bank transfer(T/T)Western Union, Escrow,L/C (over $60000)

* Shipping: When on shipping we will update the infos for you but not responsible for shipping ;accidents

* Lead time: 100-500pcs 10 days ; 500-1000pcs 30days

* Shipping port: Shenzhen, Mainland China


1.Can I mix models&colors ?
Yes,sure, mixed orders or colors are acceptable. You can leave us a message about what models&colors you may need. But if you would like to take different models,please kindly send us an email.

2. Is there any discount for bulk orders?
Yes,bulk orders are welcomed. And we will be glad to offer you better price discounts based on your order quantity. So please feel Free to contact us when you need to take large order quantities or customized products.

3. Do you accept drop-shipping orders?
Yes,we cannot do drop-shipping.

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