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PSC5425A - USB-Compliant Single-Cell Li-lon Switching Charger

Datasheet Summary

Description

The PSC5425A combines a highly integrated switch-mode charger, to minimize single-cell Lithium-ion (Li-ion) charging time from a USB power source, and a boost regulator to power a USB peripheral from the battery.

The charging parameters and operating modes are programmable through an I2C interface.

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Datasheet Details

Part number PSC5425A
Manufacturer Prisemi
File Size 156.21 KB
Description USB-Compliant Single-Cell Li-lon Switching Charger
Datasheet download datasheet PSC5425A Datasheet
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PSC5425A USB-Compliant Single-Cell Li-lon Switching Charger with USB-OTG Boost Regulator Description The PSC5425A combines a highly integrated switch-mode charger, to minimize single-cell Lithium-ion (Li-ion) charging time from a USB power source, and a boost regulator to power a USB peripheral from the battery. The charging parameters and operating modes are programmable through an I2C interface. The charger and boost regulator circuits switch at selectable frequency to lower the EMI and minimize the size of external passive components. The PSC5425A provides battery charging in three phases: conditioning, constant current, and constant voltage. To ensure USB compliance and minimize charging time, the input current is limited to the value set through the I2C host.
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