信号链设计

CS5805S,RMB0.25含税

The CS5805S is highly integrated circuits designed to provide protection to Li-ion batteries from failures of the charging circuit. The IC continuously monitors the input voltage。 The output acts as a linear regulator。The output is regulated to VO(REG) for inputs between VO(REG) and the overvoltage threshold. lf an input overvoltage condition occurs, the IC immediately removes power from the charging circuit by turning off an internal switch.ln the case of an overcurrent condition, it limits the system current at the threshold value,and if the overcurrent persists,switches the pass element OFF after a blanking period。Additionally, the IC also monitors its own die temperature and switches off if it exceeds 140℃.The input overcurrent threshold is user-programmable


FEATURES
Provides Protection for Three Variables:
-Input Overvoltage, with Rapid Response in < 1µs
-User-Programmable Overcurrent with Current
Limiting
30V pports up to 1.0A Input Current
Robust Against False Triggering Due to Current
Transients
Thermal Shutdown
Enable Input
5.45V LDO Mode Voltage Regulation

APPLICATIONS
Mobile Phones and Smart Phones PDAs
MP3 Players
Low-Power Handheld Devices
Bluetooth TM Headsets

 

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