Simplify battery charging from the USB
John Shannon
Abstract
Two solutions to the USB battery charger problem are shown using the LTC4053, a standalone timer-terminated constant current/constant voltage linear charger. A faster charging system is also described, using the LTC4410 USB power manager in addition to the LTC4053.
Keywords
LTC4053
LTC4410
USB battery charger
USB power manager
Introduction
The USB is fast becoming the most popular way to attach peripherals to personal computers. An important feature of the USB standard is that it allows for power transmission over the USB cable, making it possible for a PDA or other handheld device to charge its battery while it is connected to a host PC.
The USB specification ...
Get Analog Circuit Design Volume Three now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
