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Ultra-small Protection Chip For Laptop Batteries

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Ultra-small Protection Chip For Laptop Batteries

SII Semiconductor has announced a tiny 2-to-3 cell secondary battery protection chip for lithium-ion rechargeable batteries in laptop computers and other portable devices.

The S-8223 A/B/C/D Series comes in an ultra-small SNT-6A package measuring 1.6 x 1.8 x 0.5 mm, which leads to a reduction in the size, thickness and weight for portable devices.

Additionally, the chip features a current consumption of only 0.25 μA. This is claimed to be one fourth of existing products and helps prolong the battery operating time.

“Lithium-ion batteries require protection from overcharge, overdischarge, overcurrent and short circuits. The use of a secondary protection IC like the S-8223A/B/C/D Series is especially critical in cases of overcharge conditions which may result in heating and ignition of the lithium-ion batteries. The S-8223A/B/C/D Series provides the design engineer with another robust layer of safety”, the firm noted in the announcement.

Lastly, the S-8223 Series has the industry’s highest class 2 accuracy in overcharge detection voltage at ±20 mV. This provides enhanced safety monitoring of lithium-ion rechargeable batteries, says the firm.

Also included is a gate connection terminal of the charge control FET equipped with an output voltage control circuit, meaning the series is also compatible with a FET at a gate-source withstanding voltage of 12 volts.

For further details, click here.

 

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