Technology Industry
Industry: Email Alert RSS FeedUSB power manager integrates battery charger.(Linear Technology Corp.)(Brief article)
EDN, May, 2006 by Wright, Maury
by Maury Wright Designing the power portion of portable USB-based devices gets easier with the Linear Technology LTC4089 and LTC4089-5. The products integrate battery chargers--the 4089 with a fixed 5V output and the 4089-5 with a variable output that tracks the battery voltage for improved efficiency.
The controller offers a seamless transition between battery, USB, and external 6 to 36V power sources. A 200-mV integrated ideal diode and the integrated optional external ideal-diode controller provide a low-loss power path for battery operation. Linear Technology , www.linear.com .
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