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Home > Programmable, 500 mA Battery Charger Slims Designs

Programmable, 500 mA Battery Charger Slims Designs

summit charger ICSummit Microelectronics has added to its family of programmable battery charger integrated circuits (IC) for single-cell Li-Ion and Li-Polymer powered systems. The SMB239 enables industrial designs for portable consumer electronics, and its battery charging parameters are fully programmable via the Summit Microelectronics I²C interface and non-volatile memory, allowing easy system design, without any hardware changes. The SMB239 comprises a highly integrated, 500 mA linear charging solution that uses a fully programmable algorithm for single-cell Li-Ion and Li-Polymer cells. All charging parameters - pre-charge/fast-charge/charge termination current, cell float/pre-charge voltage, battery temperature/timer safety limits - are configurable via the I²C/SMBus interface, enabling a wide variety of algorithms without hardware changes. Default (custom) configuration in non-volatile memory allows the same product to be used in different system designs and/or with different battery types and technologies, resulting in significantly lower qualification/inventory costs and sourcing risks. Host/software control capability allows in-system adjustment of the charging profile, minimizing charging time and enhancing safety. The SMB239 is offered in a 2.1 mm x 1.3 mm CSP package and requires just two small external chip capacitors for a complete battery charging system design. Unlike other linear chargers offered in packages with a limited number of pins -- most of which need to be used for hardware-based "programming" -- the SMB239's chip-scale package allows the integration of a higher number of features, including critical charging protection functionality. The device allows the system to initiate battery charging only when battery voltage is below a certain threshold, thereby eliminating frequent charge cycles that may affect battery life. The SMB239 is priced at $0.81 each in quantities of 10,000 units.

Summit Microelectronics
408 436 9890, www.summitmicro.com [1]

Content Item Type: 
Product Announcement [2]
Meta Canonical URL: 
http://www.ecnmag.com/product-releases/2009/04/programmable-500-ma-battery-charger-slims-designs
Summary: 
Summit Microelectronics has added to its family of programmable battery charger integrated circuits (IC) for single-cell Li-Ion and Li-Polymer powered systems. The SMB239 enables industrial designs for portable consumer electronics, and its battery charging parameters are fully programmable via the Summit Microelectronics I²C interface and non-volatile memory, all
Meta Keywords: 
battery charging parameters, programmable battery charger, critical charging protection, battery temperature/timer safety, different battery types, single-cell Li-Ion, Summit Microelectronics, non-volatile memory, Summit Microelectronics I²C, fully programmable algorithm, hardware changes, cell float/pre-charge voltage, portable consumer electronics, mm CSP package, battery voltage, complete battery, significantly lower qualification/inventory, Host/software control capability, battery life, external chip capacitors, frequent charge cycles, integrated circuits, in-system adjustment, industrial designs, pre-charge/fast-charge/charge termination, mA linear, easy system design, wide variety, I²C/SMBus interface, Li-Polymer cells, different system designs, linear chargers, certain threshold, chip-scale package, higher number, SMB239, Default, family, systems, quantities, solution, limits, product, technologies, profile, units, packages, programming, integration
Meta Description: 
Summit Microelectronics has added to its family of programmable battery charger integrated circuits (IC) for single-cell Li-Ion and Li-Polymer powered systems. The SMB239 enables industrial designs for portable consumer electronics, and its battery charging parameters are fully programmable via the Summit Microelectronics I²C interface and non-volatile memory, all
Product/Service Categories: 
ICs [3]
Legacy NID: 
81 931

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Source URL: https://www.ecnmag.com/product-releases/2009/04/programmable-500-ma-battery-charger-slims-designs

Links
[1] http://www.summitmicro.com/
[2] https://www.ecnmag.com/content-item-types/product-announcement
[3] https://www.ecnmag.com/product-categories/ics