15W Wireless Charger Circuit Board

1. Wireless charging module:

The 15W-RXP9221-R is a high efficiency, Qi-compliant wireless power receiver targeted for applications up to 15W. Using magnetic inductive charging technology, the receiver converts an AC power signal from a resonant tank into a regulated DC output voltage setting with 9V and 12V. The integrated, low RDS (ON) syn-chronous rectifier and ultra-low dropout offer high efficiency making the product ideally suited for battery-operated applications.

15W-RXP9221 transmitter module consists of the L*W 40*30mm coil (see later description) with an integrated electronics PCB. Already passed WPC1.2.2 QI certification .

The 15W-RXP9221 module offers a Coil-to-coil charging distance up to 4-6mm(+/- 1mm).

The 15W-RXP9221 working with transmitter TX9242 can provides 12V1.25A (Max) output power to device charging .

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. Transmitter Module Unit Summary

TX Input voltage : 12V DC+/-5%

TX Rated input current: 12V-1.6A

TX Required input Ripple voltage: <150mVp-p @ 1.6A 12V

Output power of Rx: 15W (15W / 12V-1.25A Output)

Switching frequency: Working For QI 110-205KHZ

Charging Efficiency >83% 15W (Test with IDT TX P9242 )

Ambient operating Temperature: -10 to 45°C

Over current protection:

Thermal protection: Yes

Storage Temperature: -20 to +85°C

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

Effective Charging Distance: typ.+3~ +6mm from Tx-coil to Rx-coil

Zhengtaifeng Shenzhen Branch is a diversified enterprise integrating R&D, production, sales, industry and trade. Its products include inductive coils as small as 1 mm to 300 mm, irregular shaped hollow self-adhesive coils, hearing aid coils, skeleton coils, trigger coils , RFID coils, wireless charging coils, inductors, sensors; various supporting plastic accessories, access control system products, various high-frequency transformers, common mode inductors, toroidal inductors, etc. in the power supply industry. Provide customer R&D and manufacturing to customers in the fields of industrial electronics, acoustic electronics, small household appliances, security monitoring systems, IoT sensing, beauty equipment, drone sensing, medical equipment, wireless chargers, charging piles, 5G, new energy and other fields One-stop vertical supporting solutions.