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SY3408
Linear charging, synchronous boost discharge, built-in charging and discharging power MOS. The chip has a default charging current of 0.2A. Trickle/constant current/constant voltage charging, and a thermal regulation function that maximizes the charging rate without the risk of overheating. C/10 charging termination, automatic recharging. Adaptive adapter adjusts charging current, VINDPM: 4.6V. Preset charging voltage of 4.2V, accuracy up to ±1%. Supports simultaneous charging and discharging. Supports automatic load identification and automatic shutdown under light load. Synchronous boost maximum output current 0.5A. Standby power consumption: 3.5uA. Discharge output overcurrent, short circuit, overvoltage, and overtemperature protection. 2-LED charging and discharging indication. Single click of the KEY button to start boost output, another click to turn off boost output, long press the KEY button to turn off boost output. Supports D+, D- protocol.
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- Product Description
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- Commodity name: SY3408
- 封装: SOP8
- 品牌: Siyuan Semiconductor
Linear charging, synchronous boost discharge, built-in charging and discharging power MOS. The chip has a default charging current of 0.2A. Trickle/constant current/constant voltage charging, and a thermal regulation function that maximizes the charging rate without the risk of overheating. C/10 charging termination, automatic recharging. Adaptive adapter adjusts charging current, VINDPM: 4.6V. Preset charging voltage of 4.2V, accuracy up to ±1%. Supports simultaneous charging and discharging. Supports automatic load identification and automatic shutdown under light load. Synchronous boost maximum output current 0.5A. Standby power consumption: 3.5uA. Discharge output overcurrent, short circuit, overvoltage, and overtemperature protection. 2-LED charging and discharging indication. Single click of the KEY button to start boost output, another click to turn off boost output, long press the KEY button to turn off boost output. Supports D+, D- protocol.
SY3408 is a single-chip solution IC specifically designed for Bluetooth earphone charging cases. It highly integrates charging management, LED power display, synchronous boost discharge management, and D+ and D- protocol modules, greatly simplifying the peripheral circuit and the number of components. It provides the simplest and most user-friendly low-cost solution for Bluetooth earphone charging cases. SY3408 uses an SOP8 package.
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