With the popularity of wireless headphones, the wireless headphone charging bin has become a standard configuration. The charging bin can not only charge the headphones, but also display the power and charging status.
Wireless Earphone charging system solution |
CPU:Arm Cortex-M23@72MHz |
Flash：64KB/32KB/16KB |
SRAM：8KB/6KB/4KB |
High speed high precision ADC, 12BitsADC x 1@2.6Msps，10channels |
High precision timer x1，PWM output with six channels programmable dead-time generation |
Basic timer x5 |
Flash with hardware encryption |
Multiple serial interface：I2Cx2, SPIx2, UARTx2 |
USB input: 5V |
Supply Voltage：1.8V~3.6V |
Output Voltage: 5V |
Standby current: 15uA |
Lithium battery charging:500mA |
Hall switch inside |
Temperature：-40℃~+85℃ |
ESD Protection：6KV |
