API9221 - Car/Wall or USB Supply Input Lithium Battery Charger

Product Overview

Diodes

Part number	API9221
Manufacturer	DIODES
File Size	324.00 KB
Description	Car/Wall or USB Supply Input Lithium Battery Charger
Datasheet	API9221 Datasheet
Additional preview pages of the API9221 datasheet.

The API9221 has two supply inputs for highly integrated portable applications, enabling charging from a USB host, wall adapter, or car adapter.

To prevent system damage, the VUSB pin uses over voltage protection (OVP) at 5.4V, and the VDC OVP is at 6.9V. Above these levels, the non-operating device is protected against damage up to 28V. For control and system start-up the API9221 has a current limited linear regulator. To protect the chip against excessive power dissipation, temperature monitoring is integrated, which folds back the current to a safe level. As the temperature rises, this fold-back begins at 125°C without completely int.

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Published: Jun 29, 2010 |