Car Wireless Charger Circuit Board

1.Product introduction

1 . Electrical Specification

1.1 Transmitter Module Unit Summary

1.1.1 Input voltage : 5V/-5%

1.1.2 Rated input current: 5V-2.0A

1.1.3 Required input Ripple voltage: <150mVp-p @ 2A 5V

1.1.4 Output power of Rx: 5W

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

1.1.6 Charging Efficiency >70% (TI 5W Power Test RX)

1.1.7 Ambient operating Temperature: -10 to 45°C

1.1.8 Over current protection: Yes

1.1.9 Thermal protection: Yes

1.1.10 Storage Temperature: -20 to +85°C

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

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

Notes:

[1] Maximum output power at receiving end is dependent on the design of Receiver as well as the input

power.

[2] Tested with Samsung S7, charging distance from TX coil to Phone surface is 5mm .

[3]Tested with Samsung S7, assumed 1.5mm thickness for RX Coil to Phone Surface. Maximum Additional

Distance added for TX coil to phone surface is 6.5mm.

1.2 Coil Module Unit

1.2.1 Power Coil Inductance: 6.5uH +/-10%

1.2.2 Power Coil Resistance, DC: <50m ohm

1.2.3 FOD Coil Inductance: 4.5uH +/-10%

1.2.4 FOD Coil Resistance, DC: <280m Ohm

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.