PineBuds Pro: Datasheets

BES 2300YP SoC information:

• BES 2300-YP Datasheet V1.0

Charging case:

• ThinkPlus Semi SY8821 Datasheet in Chinese
• WCH Tech CH342DS USB to Dual Serial ports chip Datasheet
• COPO CP2021 2.5W Qi Wire Power Receiver Datasheet (Unpopulated)

EarBuds:

• ChiPower Tech CE3156 Single Cell Charger Datasheet
• LowPower Semi LP3992 LDO Regulator Datasheet
• HLW Semi HLW-YHX190 OTP micro Datasheet in Chinese (noted: for power-on and reset control)
• Tontek TTP-233D one key touch pad detect IC Datasheet