Intersil’s Highly Integrated Battery Pack Monitor Protects and Extends Life of Multi-Cell Li-ion Batteries
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Intersil’s Highly Integrated Battery Pack Monitor Protects and Extends Life of Multi-Cell Li-ion Batteries

August 24, 2015 --  Intersil Corporation (NASDAQ: ISIL) today introduced the ISL94203 3-to-8 cell battery pack monitor that supports lithium-ion (Li-ion) and other battery chemistries used in medical mobility carts, wheelchairs, e-bikes, handheld power tools, vacuum cleaners and solar or renewable energy storage systems. Available now through Intersil’s worldwide distribution partners, the device accurately monitors, protects and cell balances rechargeable battery packs to maximize battery life and ensure safe charging and system operation. 

OEMs are moving away from NiCd and lead-acid batteries to embrace the more environmentally friendly Li-ion battery chemistries. Li-ion batteries are smaller, weigh less, and deliver longer battery life, but require monitoring and protection for safe use. The ISL94203 functions as a stand-alone battery management system for rechargeable Li-ion battery packs. Its internal state machine has five pre-programmed stages that accurately control each cell of a battery pack to extend operating life. The ISL94203 integrates high-side charge/discharge FET drive circuitry, which allows customers to securely ground reference the battery pack to their designs.

 “Intersil’s highly integrated battery pack monitor makes it easy to design Li-ion rechargeable battery management systems,” said Philip Chesley, senior vice president of Precision Products at Intersil. “Our customers value the feature-rich ISL94203’s ability to extend battery life, and deliver cell balancing accuracy and fast response to rapidly changing loads.”

Key features and specifications

Pricing and Availability

The ISL94203 battery pack monitor is available now through Intersil’s worldwide network of authorized distributors. The ISL94203 comes in a 6mm x 6mm, 48-lead TQFN package, and is priced at $2.19 USD in 1k quantities.

The ISL94203EVKIT1Z evaluation kit is priced at $328 USD, and includes an evaluation board, interface board with USB to I2C interface, and software GUI that supports stand-alone operation or an external microcontroller.

For more information on the ISL94203 3-to-8 cell Li-ion battery pack monitor, evaluation kit and interface board, please visit:




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