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Introducing the FunctionMAX family of board-to-board connectors from Hirose with floating contacts and support for high-speed data transmission, samples available from Anglia.

The FunctionMAX family of connectors from Hirose are Board-to-Board connectors Engineered for the demands of modern electronics systems, Hirose's FunctionMAX connectors redefine board-to-board connections.

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STMicroelectronics battery-monitor IC combines high accuracy with low power in smallest-in-class package

STMicroelectronics has introduced a new battery monitoring “gas gauge” for handheld applications. ST’s STC3105 combines the industry’s smallest footprint with outstanding measurement accuracy and miserly power consumption to increase battery runtime and lifespan in space-constrained portable equipment.

ST’s newest battery-monitor IC delivers high-precision measurement of the battery voltage and current in a 2 x 3 x 0.8 mm package, which makes it the smallest-in-class device in the market. The IC uses open-circuit voltage and coulomb-counter methods to estimate the battery capacity and to supervise and track charge/discharge status. Accurate predictions of the battery state of charge and time-to-empty help avoid unnecessary re-charging, extend operating time between charges, and lengthen the battery lifespan in portable applications.

The STC3105 boasts low supply-current requirements - 60 µA typical – which also contribute to extending the battery runtime and lifespan. The power-saving mode reduces current consumption in the IC, as well as enabling low standby-power levels in the final application.

Integrating a programmable alarm output, the STC3105 can alert the system when the battery state of charge is below a certain level. Such embedded intelligence helps initiate appropriate power-management actions when the battery is nearly empty without involving the system microcontroller, enabling the microcontroller to spend longer times in a sleep mode, decreasing the overall power consumption.

For more information, or details on the full range of STMicroelectronics products available from Anglia, please email info@anglia.com

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