Electric toothbrush wireless charging solution

RX handle end CWR0505Q solution：

CWR0505Q integrates a four-in-one multifunctional SOC chip with MCU, wireless charging, 

charging management, and motor drive, with high integration and low power consumption.

1: The wireless charging solution supports the QI protocol.

2: The maximum charging current of wireless charging can be about 400mA

3: Integrated toothbrush control part, the toothbrush control part can be customized

4: Support DPL dynamic adjustment function

5: The charging efficiency of the whole solution reaches more than 60% 

(the ratio of the battery charging current at the RX end to the input current at the TX end)

6: Standby power consumption is within 20uA.

RX handle end CWR0508Q MCU solution

1: The wireless charging solution supports the QI protocol.

2: The maximum charging current of wireless charging can be about 300mA

3: Integrated toothbrush control part, the toothbrush control part can be customized

4: Support DPL dynamic adjustment function

5: The charging efficiency of the whole solution reaches more than 60% 

(the ratio of the battery charging current at the RX end to the input current at the TX end)

6: Standby power consumption is within 20uA.

Toothbrush scheme block diagram

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