Charge Your Battery Faster By Using a USB Port

by Len Sherman, Senior Scientist, Maxim Integrated Products, Sunnyvale, Calif., Power Electronics Technology, Jan 01 2004

Focus:
Design considerations for battery charging from USB include how fast a device with a discharged battery must operate with full functionality when plugged into a USB port; time allowed for battery charging; power budgeting within USB limits; and the need for ac adapter charging.

What you’ll learn:

• How to perform battery charging using power supplied by a USB port.

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