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Digi International introduces the powerful and secure Digi ConnectCore® MP1 module based on the STM32MP1 series microprocessor. Development kit available from Anglia.

The Digi ConnectCore® MP1 modules from Digi International deliver a highly integrated and secure connected system-on-module solution.

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Diodes’ charge pump simplifies LED driving in portable products

The AL3157 from Diodes Incorporated is a dual function charge pump, capable of handling the competing requirements of LED driving in LCD backlighting and flashlight or camera flash circuits.

Provided in the compact 12-pin 3mm x 3mm DFN package and needing the support of only three external capacitors, the device is well suited to portable, battery powered products.
Operating from a regular 2.7V to 5.5V supply, this high efficiency charge pump drives 3 channels at up to 30mA for small LCD screen backlighting and a separate channel at up to 210mA for LED flashlight or LED camera flash. Its 93% power efficiency increases battery life, while its 1% current matching accuracy between channels ensures consistency in backlighting resulting in a higher quality screen image.

Simple to control, the AL3157 uses only 2 enable pins to enable and disable the associated LCD backlighting and camera flash output channels and to dim the LED current delivered using pulse width modulation. To maximise reliability, all output channels incorporate short-circuit, thermal and under-voltage lockout protection.

Click on this link to download the data sheet.

For more information on the full range of Diodes Inc. products available from Anglia please email info@anglia.com

Alternatively, click on this link to go to the main Diodes Inc. section where you can view other news articles and product data.

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