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RT9527

Richtek
Part Number RT9527
Manufacturer Richtek
Description Single Cell Li-Ion Battery Charger
Published Dec 5, 2023
Detailed Description ® RT9527 Single Cell Li-Ion Battery Charger with Adjustable Charging Current for Portable Applications General Descrip...
Datasheet PDF File RT9527 PDF File

RT9527
RT9527

Overview
® RT9527 Single Cell Li-Ion Battery Charger with Adjustable Charging Current for Portable Applications General Description The RT9527 is a low cost single-cell Li-ion charger for low current charge applications.
The RT9527 can be powered up from an AC adapter or USB (Universal Serial Bus) port inputs.
The RT9527 enters sleep mode when VIN power is removed.
The RT9527 optimizes the charging task by using a control algorithm, which includes pre-charge mode, fast-charge mode and constant voltage mode.
The charging task is kept in constant voltage mode to hold the battery in a full charge condition.
The charge current is adjustable via an external resistor.
The internal thermal feedback circui...


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