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Miniature Battery Management and Protection ICs

Advanced Battery Technology, Aug 2005

PRODUCT NEWS

National Semiconductor Corp. has a single-cell USB/ AC charger and a charge control and protection circuit for embedded lithium-ion and lithium-polymer batteries. Ideal for cellular phones, digital still cameras, MP3 players, personal digital assistants (PDAs) and handheld instrumentation, these tiny devices require few external components and support up to 1.2A of a full-rated current.

The LP3947 charge management system and LM3655 battery protection IC offer extensive battery over-voltage and over-current protection, battery pre-conditioning and one percent charger voltage accuracy. They are packaged in a small thermally enhanced LLP® (leadless leadframe) (LP3947) and a very small micro SMD (LM3655).

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Available now and priced in 1,000-unit quantities, the LP3947 is $1.05 and the LM3655 is $1.65. An evaluation board for the LP3947 is also available

For information, visit www.national.com.

Copyright Seven Mountains Scientific, Inc. Aug 2005
Provided by ProQuest Information and Learning Company. All rights Reserved
 

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