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Lithium-ion battery protection controller eliminates sense resistors

Lithium-ion battery protection controller eliminates sense resistors

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By eeNews Europe



This Lithium-ion battery protection controller for devices such as smartphones and tablets includes analogue circuitry, MOSFET technology, and advanced packaging expertise to incorporate controller and driver functions in a single circuit.

The LC05111CMT enables high-precision current control without using a current detection resistor. The device includes highly accurate detection circuits and detection delay circuits, to prevent batteries from over-charging, over-discharging, over-current discharging, and over-current charging. The high level of integration reduces component count and therefore required board space in the space-constrained battery pack. The company adds that the part “combines technologies to deliver a physically small, yet functionally innovative device that helps reduce charging time and provides multiple levels of protection for the battery charging circuit.” It costs $1.00 (10,000).

ON Semiconductor; www.onsemi.com

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