Chinese
With the popularity of TWS headphones, the TWS 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.
TWS 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;
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